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  <url>
    <loc>https://www.betalifesci.com/products/human-micb-002-01-18-recombinant-protein-blk-03320p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20241030091348.png?v=1761765554</image:loc>
      <image:title>Recombinant Human MICB*002:01:18 Protein, Active</image:title>
      <image:caption>Human MICB*002:01:18 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/fitc-labeled-human-cd47-recombinant-protein-blk-03321p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20241031170518.png?v=1761765554</image:loc>
      <image:title>Recombinant FITC-Labeled Human CD47 Protein, Active</image:title>
      <image:caption>FITC-Labeled Human CD47 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-musk-muscle-skeletal-receptor-tyrosine-recombinant-protein-kinase-recombinant-protein-blk-03322p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240902132456.png?v=1761765558</image:loc>
      <image:title>Recombinant Mouse Musk (muscle, skeletal receptor tyrosine-protein kinase) Protein</image:title>
      <image:caption>Mouse Musk (muscle, skeletal receptor tyrosine-protein kinase) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-sez6-recombinant-protein-blk-03323p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240906141728.png?v=1761765558</image:loc>
      <image:title>Recombinant Rat SEZ6 Protein, Active</image:title>
      <image:caption>Rat SEZ6 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-musk-muscle-skeletal-receptor-tyrosine-recombinant-protein-kinase-recombinant-protein-blk-03324p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240829150548.png?v=1761765559</image:loc>
      <image:title>Recombinant Cynomolgus Musk (muscle, skeletal receptor tyrosine-protein kinase) Protein</image:title>
      <image:caption>Cynomolgus Musk (muscle, skeletal receptor tyrosine-protein kinase) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-fgf-7-kgf-recombinant-protein-blk-03325p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240911134203.png?v=1761765560</image:loc>
      <image:title>Recombinant Human FGF-7/KGF Protein, Active</image:title>
      <image:caption>Human FGF-7 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-fcrh5-fcrl5-domain-recombinant-protein-blk-03326p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240929104317.png?v=1761765563</image:loc>
      <image:title>Biotinylated Human FcRH5/FcRL5 Domain Protein, Active</image:title>
      <image:caption>Biotinylated Human FcRH5 Domain on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-cdh17-cadherin-17-recombinant-protein-blk-03327p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240923155658.png?v=1761765563</image:loc>
      <image:title>Recombinant Rat CDH17/Cadherin 17 Protein</image:title>
      <image:caption>Rat CDH17 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-il-23r-recombinant-protein-blk-03328p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240920130928_78a2fa49-93df-4779-afae-eeec5f4d97e1.png?v=1761765564</image:loc>
      <image:title>Recombinant Rat IL-23R Protein, Active</image:title>
      <image:caption>Rat IL-23R on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-lrp-6-recombinant-protein-blk-03329p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240725145416.png?v=1761765565</image:loc>
      <image:title>Recombinant Human LRP-6 Protein, Active</image:title>
      <image:caption>Human LRP-6 on Bis-Tris PAGE under reduced condition. The purity is greater than 90%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-mdl-1-clec5a-recombinant-protein-blk-03330p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240730130520.png?v=1761765568</image:loc>
      <image:title>Biotinylated Mouse MDL-1/CLEC5A Protein</image:title>
      <image:caption>Biotinylated Mouse MDL-1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/fitc-labeled-human-angpt2-angiopoietin-2-recombinant-protein-blk-03331p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240730105941.png?v=1761765568</image:loc>
      <image:title>Recombinant FITC-Labeled Human ANGPT2/Angiopoietin-2 Protein</image:title>
      <image:caption>FITC-Labeled Human ANGPT2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-il-1-beta-il-1f2-recombinant-protein-blk-03332p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240726134330.png?v=1761765569</image:loc>
      <image:title>Biotinylated Cynomolgus IL-1 Beta/IL-1F2 Protein, Active</image:title>
      <image:caption>Biotinylated Cynomolgus IL-1 Beta on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-nrg1-beta-1-recombinant-protein-blk-03333p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240802135145.png?v=1761765570</image:loc>
      <image:title>Recombinant Human NRG1 Beta 1 Protein, Active</image:title>
      <image:caption>Human NRG1 Beta 1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-acvr1b-activin-rib-recombinant-protein-blk-03334p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240820095543.png?v=1761765573</image:loc>
      <image:title>Recombinant Human ACVR1B/Activin RIB Protein, Active</image:title>
      <image:caption>Human ACVR1B on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-activin-riia-acvr2a-recombinant-protein-blk-03335p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240820131202_b623ee11-f972-4115-8d7c-4c710ae6da86.png?v=1761765574</image:loc>
      <image:title>Recombinant Rat Activin RIIA/ACVR2A Protein, Active</image:title>
      <image:caption>Rat Activin RIIA on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-il-2-recombinant-protein-blk-03336p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240820133042.png?v=1761765574</image:loc>
      <image:title>Recombinant Mouse IL-2 Protein</image:title>
      <image:caption>Mouse IL-2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-upar-plaur-recombinant-protein-blk-03337p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240820131846.png?v=1761765575</image:loc>
      <image:title>Biotinylated Rat uPAR/PLAUR Protein</image:title>
      <image:caption>Biotinylated Rat uPAR on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-rgm-c-recombinant-protein-blk-03338p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240827171328.png?v=1761765578</image:loc>
      <image:title>Biotinylated Human RGM-C Protein, Active</image:title>
      <image:caption>Biotinylated Human RGM-C on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-activin-riib-acvr2b-recombinant-protein-blk-03339p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240826144755.png?v=1761765579</image:loc>
      <image:title>Recombinant Rat Activin RIIB/ACVR2B Protein, Active</image:title>
      <image:caption>Rat Activin RIIB on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-il-23-alpha-il-12-beta-recombinant-protein-blk-03340p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240828131615.png?v=1761765579</image:loc>
      <image:title>Recombinant Cynomolgus IL-23 alpha&amp;IL-12 beta Protein, Active</image:title>
      <image:caption>Cynomolgus IL-23 alpha&amp;IL-12 beta on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-musk-muscle-skeletal-receptor-tyrosine-recombinant-protein-kinase-recombinant-protein-blk-03341p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240828150302.png?v=1761765581</image:loc>
      <image:title>Recombinant Human Musk (muscle, skeletal receptor tyrosine-protein kinase) Protein</image:title>
      <image:caption>Human Musk (muscle, skeletal receptor tyrosine-protein kinase) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-vegf-d-recombinant-protein-blk-03342p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240828133906.png?v=1761765583</image:loc>
      <image:title>Recombinant Human VEGF-D Protein, Active</image:title>
      <image:caption>Human VEGF-D on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-il-3-r-beta-cd131-recombinant-protein-blk-03343p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240829134845.png?v=1761765583</image:loc>
      <image:title>Recombinant Human IL-3 R Beta/CD131 Protein, Active</image:title>
      <image:caption>Human IL-3 R Beta on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-pld4-r201q-recombinant-protein-blk-03344p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240705103237.png?v=1761765585</image:loc>
      <image:title>Recombinant Human PLD4 (R201Q) Protein</image:title>
      <image:caption>Human PLD4 (R201Q) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-serum-albumin-v418m-t420a-e505g-v547a-recombinant-protein-blk-03345p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240705110818.png?v=1761765586</image:loc>
      <image:title>Recombinant Human Serum Albumin (V418M, T420A, E505G, V547A) Protein</image:title>
      <image:caption>Human Serum Albumin (V418M, T420A, E505G, V547A) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-serum-albumin-recombinant-protein-blk-03346p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240705105435.png?v=1761765588</image:loc>
      <image:title>Recombinant Human Serum Albumin Protein, Active</image:title>
      <image:caption>Human Serum Albumin on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/canine-rnf43-recombinant-protein-blk-03347p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240705132638.png?v=1761765588</image:loc>
      <image:title>Recombinant Canine RNF43 Protein</image:title>
      <image:caption>Canine RNF43 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-serum-albumin-recombinant-protein-blk-03348p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240705130455.png?v=1761765590</image:loc>
      <image:title>Recombinant Rat Serum Albumin Protein</image:title>
      <image:caption>Rat Serum Albumin on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cynomolgus-activin-riia-acvr2a-recombinant-protein-blk-03349p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240708101643.png?v=1761765590</image:loc>
      <image:title>Biotinylated Human/Cynomolgus Activin RIIA/ACVR2A Protein, Active</image:title>
      <image:caption>Biotinylated Human/Cynomolgus Activin RIIA on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-il-17re-recombinant-protein-blk-03351p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240711101402.png?v=1761765593</image:loc>
      <image:title>Recombinant Human IL-17RE Protein, Active</image:title>
      <image:caption>Human IL-17RE on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cd2-srbc-recombinant-protein-blk-03350p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240708153841.png?v=1761765594</image:loc>
      <image:title>Biotinylated Human CD2/SRBC Protein, Active</image:title>
      <image:caption>Biotinylated Human CD2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-vegf-r2-kdr-recombinant-protein-blk-03352p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240710111341.png?v=1761765595</image:loc>
      <image:title>Recombinant Human VEGF R2/KDR Protein, Active</image:title>
      <image:caption>Human VEGF R2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-il-22r-alpha-1-recombinant-protein-blk-03353p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240710112802.png?v=1761765595</image:loc>
      <image:title>Recombinant Human IL-22R alpha 1 Protein, Active</image:title>
      <image:caption>Human IL-22R alpha 1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-il-13ra2-recombinant-protein-blk-03354p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240711095533.png?v=1761765598</image:loc>
      <image:title>Biotinylated Human IL-13Ra2 Protein, Active</image:title>
      <image:caption>Biotinylated Human IL-13Ra2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-vegf110-recombinant-protein-blk-03355p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240716135730.png?v=1761765599</image:loc>
      <image:title>Recombinant Human VEGF110 Protein, Active</image:title>
      <image:caption>Human VEGF110 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-clec9a-recombinant-protein-blk-03356p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240715153938.png?v=1761765600</image:loc>
      <image:title>Biotinylated Human CLEC9A Protein, Active</image:title>
      <image:caption>Biotinylated Human CLEC9A on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-tpo-thrombopoietin-recombinant-protein-blk-03357p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240716141858.png?v=1761765601</image:loc>
      <image:title>Recombinant Mouse TPO/Thrombopoietin Protein</image:title>
      <image:caption>Mouse TPO on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-fgf4-recombinant-protein-blk-03358p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240716145934.png?v=1761765605</image:loc>
      <image:title>Recombinant Human FGF4 Protein</image:title>
      <image:caption>Human FGF4 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-ptk7-cck4-recombinant-protein-blk-03359p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240719101355.png?v=1761765606</image:loc>
      <image:title>Biotinylated Human PTK7/CCK4 Protein, Active</image:title>
      <image:caption>Biotinylated Human PTK7 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-psgl-1-recombinant-protein-blk-03360p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240722100726.png?v=1761765606</image:loc>
      <image:title>Biotinylated Human PSGL-1 Protein</image:title>
      <image:caption>Biotinylated Human PSGL-1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-ptk7-cck4-recombinant-protein-blk-03361p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240719104151.png?v=1761765606</image:loc>
      <image:title>Recombinant Rat PTK7/CCK4 Protein</image:title>
      <image:caption>Rat PTK7 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-b7-h3-cd276-recombinant-protein-blk-03362p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240722102756.png?v=1761765609</image:loc>
      <image:title>Biotinylated Human B7-H3/CD276 Protein, Active</image:title>
      <image:caption>Biotinylated Human B7-H3 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-il-1-beta-il-1f2-recombinant-protein-blk-03363p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240723164815.png?v=1761765610</image:loc>
      <image:title>Biotinylated Mouse IL-1 Beta/IL-1F2 Protein, Active</image:title>
      <image:caption>Biotinylated Mouse IL-1 Beta on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-ptk7-cck4-recombinant-protein-blk-03364p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240724104003.png?v=1761765610</image:loc>
      <image:title>Biotinylated Mouse PTK7/CCK4 Protein</image:title>
      <image:caption>Biotinylated Mouse PTK7 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-ptk7-cck4-recombinant-protein-blk-03365p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240724103227.png?v=1761765610</image:loc>
      <image:title>Recombinant Human PTK7/CCK4 Protein, Active</image:title>
      <image:caption>Human PTK7 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-betacellulin-recombinant-protein-blk-03366p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240724101924.png?v=1761765614</image:loc>
      <image:title>Recombinant Human Betacellulin-Protein</image:title>
      <image:caption>Human Betacellulin on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-cd2-srbc-recombinant-protein-blk-03367p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240723173423.png?v=1761765615</image:loc>
      <image:title>Recombinant Mouse CD2/SRBC Protein</image:title>
      <image:caption>Mouse CD2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-gipr-recombinant-protein-blk-03368p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240726132502.png?v=1761765615</image:loc>
      <image:title>Biotinylated Cynomolgus GIPR Protein, Active</image:title>
      <image:caption>Biotinylated Cynomolgus GIPR on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-npr1-npra-recombinant-protein-blk-03369p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240726145500.png?v=1761765616</image:loc>
      <image:title>Recombinant Rat NPR1/NPRA Protein</image:title>
      <image:caption>Rat NPR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-gipr-recombinant-protein-blk-03370p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240726133216.png?v=1761765619</image:loc>
      <image:title>Recombinant Cynomolgus GIPR Protein, Active</image:title>
      <image:caption>Cynomolgus GIPR on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cdcp1-atf-30-368-recombinant-protein-blk-03371p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240529161700.png?v=1761765620</image:loc>
      <image:title>Recombinant Human CDCP1 ATF (30-368) Protein, Active</image:title>
      <image:caption>Human CDCP1 ATF (30-368) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cdcp1-atf-ctf-recombinant-protein-blk-03372p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240530151644.png?v=1761765621</image:loc>
      <image:title>Recombinant Human CDCP1 ATF&amp;CTF Protein, Active</image:title>
      <image:caption>Human CDCP1 ATF&amp;CTF on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/fitc-labeled-human-emmprin-cd147-recombinant-protein-blk-03373p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240606165920.png?v=1761765621</image:loc>
      <image:title>Recombinant FITC-Labeled Human EMMPRIN/CD147 Protein, Active</image:title>
      <image:caption>FITC-Labeled Human EMMPRIN on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cd73-nt5e-recombinant-protein-blk-03374p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240607101759.png?v=1761765624</image:loc>
      <image:title>Biotinylated Human CD73/NT5E Protein, Active</image:title>
      <image:caption>Biotinylated Human CD73 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-gipr-recombinant-protein-blk-03375p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240607150404.png?v=1761765625</image:loc>
      <image:title>Biotinylated Human GIPR Protein, Active</image:title>
      <image:caption>Biotinylated Human GIPR on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-psma-folh1-recombinant-protein-blk-03376p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240613104637.png?v=1761765626</image:loc>
      <image:title>Biotinylated Human PSMA/FOLH1 Protein, Active</image:title>
      <image:caption>Biotinylated Human PSMA on Bis-Tris PAGE under reduced condition. The purity is greater than 90%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-lilra2-cd85h-ilt1-recombinant-protein-blk-03377p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240628130852.png?v=1761765626</image:loc>
      <image:title>Recombinant Human LILRA2/CD85h/ILT1 Protein</image:title>
      <image:caption>Human LILRA2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-e-cadherin-cadherin-1-recombinant-protein-blk-03378p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240628132154.png?v=1761765630</image:loc>
      <image:title>Biotinylated Human E-Cadherin/Cadherin 1 Protein</image:title>
      <image:caption>Biotinylated Human E-Cadherin on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-tpo-thrombopoietin-recombinant-protein-blk-03379p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240625101854.png?v=1761765630</image:loc>
      <image:title>Recombinant Human TPO/Thrombopoietin Protein, Active</image:title>
      <image:caption>Human TPO on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-gdf-2-bmp-9-recombinant-protein-blk-03380p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240619093600_cbc87a78-fd46-4777-a826-8837e05d4469.png?v=1761765631</image:loc>
      <image:title>Recombinant Human GDF-2/BMP-9 Protein, Active</image:title>
      <image:caption>Human GDF-2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-il-22-recombinant-protein-blk-03381p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240611095633.png?v=1761765631</image:loc>
      <image:title>Recombinant Mouse IL-22 Protein, Active</image:title>
      <image:caption>Mouse IL-22 Protein on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-il-22-recombinant-protein-blk-03382p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240607164953.png?v=1761765634</image:loc>
      <image:title>Recombinant Mouse IL-22 Protein, Active</image:title>
      <image:caption>Mouse IL-22 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-il-7-r-alpha-tslpr-recombinant-protein-blk-03383p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240507170059.png?v=1761765635</image:loc>
      <image:title>Recombinant Human IL-7 R alpha&amp;TSLPR Protein, Active</image:title>
      <image:caption>Human IL-7 R alpha&amp;TSLPR on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-ncam-1-cd56-recombinant-protein-blk-03384p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240510093012.png?v=1761765636</image:loc>
      <image:title>Biotinylated Human NCAM-1/CD56 Protein, Active</image:title>
      <image:caption>Biotinylated Human NCAM-1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-ncam-1-cd56-recombinant-protein-blk-03385p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240507162138.png?v=1761765636</image:loc>
      <image:title>Recombinant Human NCAM-1/CD56 Protein, Active</image:title>
      <image:caption>Human NCAM-1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-mouse-rat-gdf-8-recombinant-protein-blk-03386p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240528103445_51ef141a-65dc-4d74-939a-0f9c78eb56f0.png?v=1761765640</image:loc>
      <image:title>Recombinant Human/Mouse/Rat GDF-8 Protein, Active</image:title>
      <image:caption>Human/Mouse/Rat GDF-8 on Bis-Tris PAGE under reduced (R) condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-il-2-recombinant-protein-blk-03387p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240514133601.png?v=1761765640</image:loc>
      <image:title>Biotinylated Human IL-2 Protein, Active</image:title>
      <image:caption>Biotinylated Human IL-2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-vcam-1-cd106-recombinant-protein-blk-03388p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240517135911.png?v=1761765641</image:loc>
      <image:title>Recombinant Human VCAM-1/CD106 Protein</image:title>
      <image:caption>Human VCAM-1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-il-13ra2-recombinant-protein-blk-03389p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240517142755.png?v=1761765641</image:loc>
      <image:title>Recombinant Human IL-13Ra2 Protein, Active</image:title>
      <image:caption>Human IL-13Ra2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-fgfr3-alpha-iiib-recombinant-protein-blk-03390p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240517141641.png?v=1761765645</image:loc>
      <image:title>Biotinylated Mouse FGFR3 alpha (IIIb) Protein</image:title>
      <image:caption>Biotinylated Mouse FGFR3 alpha (IIIb) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-msln-mesothelin-recombinant-protein-blk-03391p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240529154427.png?v=1761765646</image:loc>
      <image:title>Biotinylated Human MSLN/Mesothelin Protein, Active</image:title>
      <image:caption>Biotinylated Human MSLN on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-integrin-alpha-2-beta-1-itga2-itgb1-heterodimer-recombinant-protein-blk-03392p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240529170850.png?v=1761765647</image:loc>
      <image:title>Recombinant Cynomolgus Integrin alpha 2 beta 1 (ITGA2&amp;ITGB1) Heterodimer Protein</image:title>
      <image:caption>Cynomolgus ITGA2&amp;ITGB1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-ptp-alpha-ptpra-recombinant-protein-blk-03393p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20231026140233.png?v=1761765646</image:loc>
      <image:title>Recombinant Human PTP alpha/PTPRA Protein</image:title>
      <image:caption>Human PTP alpha on Bis-Tris PAGE under reduced condition. The purity is greater than 90%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-mouse-rat-activin-a-recombinant-protein-blk-03394p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240409135947.png?v=1761765650</image:loc>
      <image:title>Biotinylated Human/Mouse/Rat Activin A Protein, Active</image:title>
      <image:caption>Biotinylated Human/Mouse/Rat Activin A on Bis-Tris PAGE under reduced (R) condition and Non reduced (N) condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-dpp3-recombinant-protein-blk-03395p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240329132900.png?v=1761765651</image:loc>
      <image:title>Recombinant Mouse DPP3 Protein</image:title>
      <image:caption>Mouse DPP3 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-dpp3-recombinant-protein-blk-03396p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240402110639.png?v=1761765652</image:loc>
      <image:title>Recombinant Rat DPP3 Protein</image:title>
      <image:caption>Rat DPP3 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-dll3-domain-352-479-recombinant-protein-blk-03397p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240402135704.png?v=1761765652</image:loc>
      <image:title>Recombinant Human DLL3 Domain (352-479) Protein</image:title>
      <image:caption>Human DLL3 Domain (352-479) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-gcgr-glucagon-receptor-recombinant-protein-blk-03398p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240410135521.png?v=1761765655</image:loc>
      <image:title>Recombinant Human GCGR/Glucagon receptor Protein</image:title>
      <image:caption>Human GCGR on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-kir2dl4-cd158d-recombinant-protein-blk-03399p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240410140610.png?v=1761765656</image:loc>
      <image:title>Recombinant Human KIR2DL4/CD158d Protein, Active</image:title>
      <image:caption>Human KIR2DL4 on Bis-Tris PAGE under reduced condition. The purity is greater than 90%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-npr1-npra-recombinant-protein-blk-03400p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240410150028.png?v=1761765658</image:loc>
      <image:title>Recombinant Cynomolgus NPR1/NPRA Protein</image:title>
      <image:caption>Cynomolgus NPR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-osmr-beta-recombinant-protein-blk-03401p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240411131101.png?v=1761765658</image:loc>
      <image:title>Biotinylated Human OSMR beta Protein, Active</image:title>
      <image:caption>Biotinylated Human OSMR beta on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cd23-fc-epsilon-rii-recombinant-protein-blk-03402p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240416093440.png?v=1761765662</image:loc>
      <image:title>Biotinylated Human CD23/Fc epsilon RII Protein</image:title>
      <image:caption>Biotinylated Human CD23 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cd27-tnfrsf7-recombinant-protein-blk-03403p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240416092636.png?v=1761765662</image:loc>
      <image:title>Biotinylated Human CD27/TNFRSF7 Protein, Active</image:title>
      <image:caption>Biotinylated Human CD27 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-msln-mesothelin-recombinant-protein-blk-03404p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240416094220.png?v=1761765663</image:loc>
      <image:title>Biotinylated Human MSLN/Mesothelin Protein, Active</image:title>
      <image:caption>Biotinylated Human MSLN on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-apoe3-apolipoprotein-e-recombinant-protein-blk-03405p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240416095702.png?v=1761765664</image:loc>
      <image:title>Biotinylated Human APOE3/Apolipoprotein E Protein</image:title>
      <image:caption>Biotinylated Human APOE3 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-ifn-alpha-beta-r2-recombinant-protein-blk-03406p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240416094856.png?v=1761765666</image:loc>
      <image:title>Biotinylated Human IFN alpha/beta R2 Protein, Active</image:title>
      <image:caption>Biotinylated Human IFN alpha/beta R2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-npr1-npra-recombinant-protein-blk-03407p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240416142459.png?v=1761765667</image:loc>
      <image:title>Recombinant Human NPR1/NPRA Protein, Active</image:title>
      <image:caption>Human NPR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-npr1-npra-recombinant-protein-blk-03408p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240416141636.png?v=1761765669</image:loc>
      <image:title>Recombinant Mouse NPR1/NPRA Protein</image:title>
      <image:caption>Mouse NPR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-fsh-alpha-beta-recombinant-protein-blk-03409p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240416170903_957b1cff-1245-4b31-9b90-dcd08c1ed96a.png?v=1761765669</image:loc>
      <image:title>Recombinant Mouse FSH alpha&amp;beta Protein</image:title>
      <image:caption>Mouse FSH alpha&amp;beta on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-il-17c-recombinant-protein-blk-03410p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240417103118.png?v=1761765671</image:loc>
      <image:title>Biotinylated Human IL-17C Protein, Active</image:title>
      <image:caption>Biotinylated Human IL-17C on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-pd-l1-b7-h1-recombinant-protein-blk-03411p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240422132723.png?v=1761765672</image:loc>
      <image:title>Recombinant Human PD-L1/B7-H1 Protein, Active</image:title>
      <image:caption>Human PD-L1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-npr1-npra-recombinant-protein-blk-03412p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240418135230.png?v=1761765673</image:loc>
      <image:title>Recombinant Cynomolgus NPR1/NPRA Protein</image:title>
      <image:caption>Cynomolgus NPR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-npr1-npra-recombinant-protein-blk-03413p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240422130827_29aaeeb0-547d-44d1-b79a-e4b16f42209d.png?v=1761765674</image:loc>
      <image:title>Recombinant Human NPR1/NPRA Protein, Active</image:title>
      <image:caption>Human NPR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-fcrn-recombinant-protein-blk-03414p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240422145507.png?v=1761765676</image:loc>
      <image:title>Recombinant Rat FcRn Protein, Active</image:title>
      <image:caption>Rat FcRn on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-liv-1-slc39a6-recombinant-protein-blk-03415p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240422142513.png?v=1761765677</image:loc>
      <image:title>Recombinant Human LIV-1/SLC39A6 Protein, Active</image:title>
      <image:caption>Human LIV-1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-clec11a-scgf-alpha-recombinant-protein-blk-03416p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240425144456.png?v=1761765679</image:loc>
      <image:title>Recombinant Rat CLEC11a/SCGF-alpha Protein</image:title>
      <image:caption>Rat CLEC11a on Bis-Tris PAGE under reduced condition. The purity is greater than 90%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-npr1-npra-recombinant-protein-blk-03417p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240425095611.png?v=1761765679</image:loc>
      <image:title>Recombinant Mouse NPR1/NPRA Protein</image:title>
      <image:caption>Mouse NPR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-rhesus-macaque-amhrii-recombinant-protein-blk-03418p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20211026143825.png?v=1761765682</image:loc>
      <image:title>Recombinant Cynomolgus/Rhesus macaque AMHRII Protein, Active</image:title>
      <image:caption>Cynomolgus/Rhesus macaque AMHRII on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-gdf15-h202d-recombinant-protein-blk-03419p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20230825174109.png?v=1761765683</image:loc>
      <image:title>Recombinant Human GDF15 (H202D) Protein, Active</image:title>
      <image:caption>Human GDF15 (H202D) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-ly6g6d-recombinant-protein-blk-03420p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240314111540.png?v=1761765684</image:loc>
      <image:title>Recombinant Cynomolgus LY6G6D Protein, Active</image:title>
      <image:caption>Cynomolgus LY6G6D on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/canine-c-mpl-thrombopoietin-r-recombinant-protein-blk-03421p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240319140648.png?v=1761765685</image:loc>
      <image:title>Recombinant Canine c-MPL/Thrombopoietin R Protein</image:title>
      <image:caption>Canine c-MPL on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-ifn-alpha-beta-r2-recombinant-protein-blk-03422p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240320154113.png?v=1761765687</image:loc>
      <image:title>Biotinylated Mouse IFN alpha/beta R2 Protein, Active</image:title>
      <image:caption>Biotinylated Mouse IFN alpha/beta R2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cynomolgus-activin-riia-acvr2a-recombinant-protein-blk-03423p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240319142614.png?v=1761765688</image:loc>
      <image:title>Recombinant Human/Cynomolgus Activin RIIA/ACVR2A-Protein, Active</image:title>
      <image:caption>Human/Cynomolgus Activin RIIA on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cynomolgus-activin-riib-acvr2b-recombinant-protein-blk-03424p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240320141032.png?v=1761765689</image:loc>
      <image:title>Recombinant Human/Cynomolgus Activin RIIB/ACVR2B Protein, Active</image:title>
      <image:caption>Human/Cynomolgus Activin RIIB on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-ifn-alpha-beta-r2-recombinant-protein-blk-03425p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240321174052.png?v=1761765690</image:loc>
      <image:title>Biotinylated Cynomolgus IFN alpha/beta R2 Protein, Active</image:title>
      <image:caption>Biotinylated Cynomolgus IFN alpha/beta R2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cynomolgus-activin-riia-acvr2a-recombinant-protein-blk-03426p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240325100718.png?v=1761765692</image:loc>
      <image:title>Biotinylated Human/Cynomolgus Activin RIIA/ACVR2A-Protein, Active</image:title>
      <image:caption>Biotinylated Human/Cynomolgus Activin RIIA on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-activin-riia-acvr2a-recombinant-protein-blk-03427p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240325111513.png?v=1761765694</image:loc>
      <image:title>Recombinant Mouse Activin RIIA/ACVR2A Protein, Active</image:title>
      <image:caption>Mouse Activin RIIA on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cynomolgus-activin-riib-acvr2b-recombinant-protein-blk-03428p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240325101504.png?v=1761765695</image:loc>
      <image:title>Biotinylated Human/Cynomolgus Activin RIIB/ACVR2B Protein, Active</image:title>
      <image:caption>Biotinylated Human/Cynomolgus Activin RIIB on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-ifn-alpha-beta-r1-recombinant-protein-blk-03429p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240325112705.png?v=1761765695</image:loc>
      <image:title>Biotinylated Cynomolgus IFN alpha/beta R1 Protein, Active</image:title>
      <image:caption>Biotinylated Cynomolgus IFN alpha/beta R1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-gcgr-glucagon-receptor-recombinant-protein-blk-03430p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240326132649.png?v=1761765697</image:loc>
      <image:title>Recombinant Human GCGR/Glucagon receptor Protein</image:title>
      <image:caption>Human GCGR on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-latent-gdf-8-recombinant-protein-blk-03431p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240328110913.png?v=1761765699</image:loc>
      <image:title>Recombinant Human Latent GDF-8 Protein, Active</image:title>
      <image:caption>Human Latent GDF-8 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-her2-erbb2-s310f-recombinant-protein-blk-03432p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240402102618_2ca0bd91-497e-4525-8695-1f2f39982713.png?v=1761765700</image:loc>
      <image:title>Recombinant Human Her2/ErbB2 (S310F) Protein, Active</image:title>
      <image:caption>Human Her2 (S310F) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-gipr-recombinant-protein-blk-03433p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240329131547.png?v=1761765700</image:loc>
      <image:title>Recombinant Human GIPR Protein, Active</image:title>
      <image:caption>Human GIPR on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cynomolgus-activin-riia-acvr2a-recombinant-protein-blk-03434p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240329130927_99b192a7-60c8-4947-abca-1465e71363ea.png?v=1761765702</image:loc>
      <image:title>Recombinant Human/Cynomolgus Activin RIIA/ACVR2A-Protein, Active</image:title>
      <image:caption>Human/Cynomolgus Activin RIIA on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-fgl2-recombinant-protein-blk-03435p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20231127164003.png?v=1761765703</image:loc>
      <image:title>Recombinant Rat FGL2 Protein, Active</image:title>
      <image:caption>Rat FGL2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cd39-entpd1-recombinant-protein-blk-03436p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240227164658.png?v=1761765705</image:loc>
      <image:title>Recombinant Human CD39/ENTPD1 Protein, Active</image:title>
      <image:caption>Human CD39 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-nkp80-clec5c-recombinant-protein-blk-03437p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240301093608.png?v=1761765705</image:loc>
      <image:title>Recombinant Human NKp80/CLEC5C Protein</image:title>
      <image:caption>Human NKp80 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-ifn-alpha-beta-r1-recombinant-protein-blk-03438p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240301132317.png?v=1761765707</image:loc>
      <image:title>Biotinylated Mouse IFN alpha/beta R1 Protein, Active</image:title>
      <image:caption>Biotinylated Mouse IFN alpha/beta R1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-human-chimeric-integrin-alpha-v-beta-6-itgav-itgb6-heterodimer-recombinant-protein-blk-03439p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240311172110_a7d80ab6-04b2-40a0-9456-f81259d41134.png?v=1761765709</image:loc>
      <image:title>Recombinant Mouse&amp;Human Chimeric Integrin alpha V beta 6 (ITGAV&amp;ITGB6) Heterodimer Protein, Active</image:title>
      <image:caption>Mouse&amp;Human Chimeric ITGAV&amp;ITGB6 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-masp3-recombinant-protein-blk-03440p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240218173645.png?v=1761765710</image:loc>
      <image:title>Recombinant Human MASP3 Protein, Active</image:title>
      <image:caption>Human MASP3 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-msln-mesothelin-recombinant-protein-blk-03441p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240314132906.png?v=1761765710</image:loc>
      <image:title>Recombinant Rat MSLN/Mesothelin Protein, Active</image:title>
      <image:caption>Rat MSLN on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-asgr1-recombinant-protein-blk-03442p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240104103142.png?v=1761765713</image:loc>
      <image:title>Biotinylated Human ASGR1 Protein</image:title>
      <image:caption>Biotinylated Human ASGR1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/cynomolgus-rhesus-macaque-ox40-tnfrsf4-cd134-recombinant-protein-blk-03443p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240105102732.png?v=1761765714</image:loc>
      <image:title>Recombinant Cynomolgus/Rhesus macaque OX40/TNFRSF4/CD134 Protein</image:title>
      <image:caption>Cynomolgus/Rhesus macaque OX40 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-upar-plaur-domain-3-recombinant-protein-blk-03444p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240109133440.png?v=1761765716</image:loc>
      <image:title>Recombinant Mouse uPAR/PLAUR Domain 3 Protein</image:title>
      <image:caption>Mouse uPAR Domain 3 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-ca9-carbonic-anhydrase-ix-recombinant-protein-blk-03445p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240109135235.png?v=1761765715</image:loc>
      <image:title>Recombinant Human CA9/Carbonic Anhydrase IX Protein, Active</image:title>
      <image:caption>Human CA9 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-tnfsf15-trimer-recombinant-protein-blk-03446p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240110171804.png?v=1761765718</image:loc>
      <image:title>Biotinylated Human TNFSF15 Trimer Protein, Active</image:title>
      <image:caption>Biotinylated Human TNFSF15 Trimer on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-nectin-1-pvrl1-cd111-recombinant-protein-blk-03447p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240110172531.png?v=1761765719</image:loc>
      <image:title>Recombinant Human Nectin-1/PVRL1/CD111 Protein, Active</image:title>
      <image:caption>Human Nectin-1 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-tnfsf15-recombinant-protein-blk-03448p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240116162700.png?v=1761765720</image:loc>
      <image:title>Biotinylated Human TNFSF15 Protein, Active</image:title>
      <image:caption>Biotinylated Human TNFSF15 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-epo-r-erythropoietin-r-recombinant-protein-blk-03449p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240122165606.png?v=1761765720</image:loc>
      <image:title>Biotinylated Human EPO R/Erythropoietin R Protein, Active</image:title>
      <image:caption>Biotinylated Human EPO R on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-tnfsf15-recombinant-protein-blk-03450p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240123133456.png?v=1761765723</image:loc>
      <image:title>Recombinant Rat TNFSF15 Protein, Active</image:title>
      <image:caption>Rat TNFSF15 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cd300lg-nepmucin-recombinant-protein-blk-03451p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240227153318.png?v=1761765724</image:loc>
      <image:title>Recombinant Human CD300LG/Nepmucin Protein</image:title>
      <image:caption>Human CD300LG on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/fitc-labeled-human-transferrin-recombinant-protein-blk-03452p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240130174034.png?v=1761765726</image:loc>
      <image:title>Recombinant FITC-Labeled Human Transferrin Protein, Active</image:title>
      <image:caption>FITC-Labeled Human Transferrin on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cd229-slamf3-recombinant-protein-blk-03453p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240227155511.png?v=1761765726</image:loc>
      <image:title>Recombinant Human CD229/SLAMF3 Protein</image:title>
      <image:caption>Human CD229 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rat-cd40-tnfrsf5-recombinant-protein-blk-03454p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240227170326.png?v=1761765729</image:loc>
      <image:title>Recombinant Rat CD40/TNFRSF5 Protein</image:title>
      <image:caption>Rat CD40 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-pd-l2-b7-dc-recombinant-protein-blk-03455p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240227172205.png?v=1761765729</image:loc>
      <image:title>Recombinant Human PD-L2/B7-DC Protein, Active</image:title>
      <image:caption>Human PD-L2 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/human-cd3g-cd3-gamma-recombinant-protein-blk-03456p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240227174023.png?v=1761765730</image:loc>
      <image:title>Recombinant Human CD3G/CD3 gamma Protein</image:title>
      <image:caption>Human CD3G on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/mouse-cd28-recombinant-protein-blk-03457p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/20240228134655.png?v=1761765731</image:loc>
      <image:title>Recombinant Mouse CD28 Protein, Active</image:title>
      <image:caption>Mouse CD28 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-haptoglobin-protein-bar-0003p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0003P_5c573097-7f3c-4f2c-b5bb-94db92888d9f.png?v=1776989869</image:loc>
      <image:title>Native Human Haptoglobin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-haptoglobin-protein-bar-0002p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-080116-22.png?v=1777046466</image:loc>
      <image:title>Native Human Haptoglobin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-rat-haptoglobin-protein-bar-0001p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-haptoglobin-protein-bar-0004p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-080116-11.png?v=1777046413</image:loc>
      <image:title>Native Human Haptoglobin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-haptoglobin-protein-bar-0005p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0005P.png?v=1777046493</image:loc>
      <image:title>Native Human Haptoglobin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-haptoglobin-protein-bar-0006p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-cynomolgus-monkey-haptoglobin-protein-bar-0007p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-microbial-glutamate-dehydrogenase-bar-0008p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-gc-globulin-vitamin-d-binding-protein-bar-0009p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-070307.png?v=1777046340</image:loc>
      <image:title>Native Human Gc-Globulin (Vitamin D Binding Protein)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-porcine-crystallized-elastase-bar-0013p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0013P-porcine.png?v=1776990037</image:loc>
      <image:title>Native Porcine Crystallized Elastase</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-elastase-protein-bar-0014p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0014P.png?v=1777042436</image:loc>
      <image:title>Native Human Elastase Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-%CE%B1-defensin-mixed-protein-bar-0016p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0016P.png?v=1777044182</image:loc>
      <image:title>Native Human Α-Defensin (Mixed) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-complement-c5-protein-bar-0017p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0017P_5f9f83fc-c5f2-47b7-9b50-28324db14619.png?v=1777046058</image:loc>
      <image:title>Native Human Complement C5 Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-complement-c4c-protein-bar-0018p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0018P.png?v=1777046008</image:loc>
      <image:title>Native Human Complement C4c Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-complement-c3c-protein-bar-0019p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-030303.png?v=1777045892</image:loc>
      <image:title>Native Human Complement C3c Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-chymotrypsin-protein-bar-0020p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-19-030820.png?v=1777047289</image:loc>
      <image:title>Native Human Chymotrypsin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-chylomicrons-protein-bar-0021p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0021P.png?v=1777041365</image:loc>
      <image:title>Native Human Chylomicrons Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-ceruloplasmin-bar-0022p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-030518.png?v=1777046247</image:loc>
      <image:title>Native Human Ceruloplasmin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-cathepsin-l-bar-0023p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-cathepsin-h-bar-0024p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0024P.png?v=1777041728</image:loc>
      <image:title>Native Human Cathepsin H</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-cathepsin-g-bar-0025p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0025P.png?v=1777042401</image:loc>
      <image:title>Native Human Cathepsin G</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-bovine-cathepsin-d-bar-0026p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0026P-Bovine.png?v=1776990073</image:loc>
      <image:title>Native Bovine Cathepsin D</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-cathepsin-d-bar-0027p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0027P.png?v=1777041686</image:loc>
      <image:title>Native Human Cathepsin D</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-cathepsin-b-bar-0028p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0028P.png?v=1777041471</image:loc>
      <image:title>Native Human Cathepsin B</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-microbial-catalase-bar-0029p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-catalase-bar-0030p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0030P.png?v=1777041403</image:loc>
      <image:title>Native Human Catalase</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-porcine-calpain-1-bar-0031p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-calpain-1-bar-0032p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-bovine-calmodulin-bar-0033p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0033P-bovine.png?v=1776990107</image:loc>
      <image:title>Native Bovine Calmodulin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-c4b-binding-protein-bar-0034p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-030402.png?v=1777046098</image:loc>
      <image:title>Native Human C4B-Binding Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-c1-esterase-inhibitor-bar-0035p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0035P.png?v=1777046279</image:loc>
      <image:title>Native Human C1 Esterase Inhibitor</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-c-reactive-protein-bar-0036p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0036P.png?v=1777046308</image:loc>
      <image:title>Native Human C-Reactive Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-butyrylcholinesterase-bar-0037p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0037P.png?v=1777045837</image:loc>
      <image:title>Native Human Butyrylcholinesterase</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-bacterial-permeability-increasing-protein-bar-0038p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-azurocidin-cationic-protein-37-bar-0039p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0039P.png?v=1777042351</image:loc>
      <image:title>Native Human Azurocidin (Cationic Protein 37)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apotransferrin-bar-0040p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0040P.png?v=1777047148</image:loc>
      <image:title>Native Human Apotransferrin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-rat-apotransferrin-bar-0041p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-mouse-apotransferrin-bar-0042p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0042P.png?v=1776989993</image:loc>
      <image:title>Native Mouse Apotransferrin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/bio-processing-grade-native-human-apotransferrin-bar-0043p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-A32001-BPG.png?v=1777047032</image:loc>
      <image:title>Bio Processing Grade Native Human Apotransferrin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apotransferrin-bar-0044p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-A32001.png?v=1777047257</image:loc>
      <image:title>Native Human Apotransferrin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apolipoprotein-e-bar-0045p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apolipoprotein-ciii-bar-0046p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-120303-L.png?v=1777046941</image:loc>
      <image:title>Native Human Apolipoprotein CIII</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apolipoprotein-cii-bar-0047p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-120302.png?v=1777046903</image:loc>
      <image:title>Native Human Apolipoprotein CII</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apolipoprotein-ci-bar-0048p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apolipoprotein-b-bar-0049p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-120200.png?v=1777046853</image:loc>
      <image:title>Native Human Apolipoprotein B</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apolipoprotein-aiv-bar-0050p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-120104.png?v=1777046809</image:loc>
      <image:title>Native Human Apolipoprotein AIV</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apolactoferrin-bar-0051p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0051P.png?v=1777042158</image:loc>
      <image:title>Native Human Apolactoferrin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-antithrombin-iii-bar-0053p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-012020.png?v=1777045697</image:loc>
      <image:title>Native Human Antithrombin III</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-angiotensinogen-bar-0054p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0054P.png?v=1777045083</image:loc>
      <image:title>Native Human Angiotensinogen</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-alpha-2-macroglobulin-bar-0055p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-012013-FF.png?v=1777045390</image:loc>
      <image:title>Native Human Alpha 2 Macroglobulin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-alpha-2-hs-glycoprotein-bar-0056p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0056P.png?v=1777046751</image:loc>
      <image:title>Native Human Alpha 2 Hs Glycoprotein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-alpha-2-antiplasmin-bar-0057p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0057P.png?v=1777045787</image:loc>
      <image:title>Native Human Alpha 2 Antiplasmin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-alpha-1-antitrypsin-bar-0058p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-011609.png?v=1777045250</image:loc>
      <image:title>Native Human Alpha 1 Antitrypsin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-cynomolgus-monkey-alpha-1-acid-glycoprotein-bar-0060p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-alpha-1-antichymotrypsin-bar-0059p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-012400.png?v=1777045733</image:loc>
      <image:title>Native Human Alpha 1 Antichymotrypsin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-alpha-1-acid-glycoprotein-bar-0061p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0061P.png?v=1777044225</image:loc>
      <image:title>Native Human Alpha 1 Acid Glycoprotein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-rat-albumin-bar-0062p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0062P.png?v=1777044687</image:loc>
      <image:title>Native Rat Albumin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-mouse-albumin-bar-0063p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0063P-mouse.png?v=1776989804</image:loc>
      <image:title>Native Mouse Albumin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-cynomolgus-monkey-albumin-bar-0065p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0065P.png?v=1777044544</image:loc>
      <image:title>Native Cynomolgus Monkey Albumin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-albumin-bar-0066p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-011202.png?v=1777045010</image:loc>
      <image:title>Native Human Albumin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-hemopexin-protein-bar-0068p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-080513.png?v=1777049778</image:loc>
      <image:title>Native Human Hemopexin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-hemopexin-protein-low-endotoxin-bar-0069p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-080513-LEL.png?v=1777049815</image:loc>
      <image:title>Native Human Hemopexin Protein, Low Endotoxin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-rat-hemopexin-protein-bar-0070p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-a-iga-protein-bar-0071p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0071P.png?v=1777049320</image:loc>
      <image:title>Native Human Immunoglobulin A (IgA) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-a1-iga1-protein-bar-0072p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090701-1M.png?v=1777049951</image:loc>
      <image:title>Native Human Immunoglobulin A1 (IgA1) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-d-igd-protein-bar-0074p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090704.png?v=1777049978</image:loc>
      <image:title>Native Human Immunoglobulin D (IgD) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-e-ige-protein-bar-0076p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090705.png?v=1777050043</image:loc>
      <image:title>Native Human Immunoglobulin E (IgE) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-e-ige-lambda-protein-bar-0078p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090705-M-Lambda.png?v=1777050788</image:loc>
      <image:title>Native Human Immunoglobulin E (IgE), Lambda Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g-igg-protein-bar-0079p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707.png?v=1777050810</image:loc>
      <image:title>Native Human Immunoglobulin G (IgG) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g-igg-protein-human-covid-19-convalescent-plasma-bar-0080p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-dog-immunoglobulin-g-igg-protein-bar-0081p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g-igg-fab-2-protein-bar-0082p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-FAB2.png?v=1777051085</image:loc>
      <image:title>Native Human Immunoglobulin G (IgG), Fab&apos;2 Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g-igg-fab-fragment-protein-bar-0083p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-Fab.png?v=1777051059</image:loc>
      <image:title>Native Human Immunoglobulin G (IgG), Fab Fragment Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g-igg-fc-fragment-protein-bar-0084p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-FC.png?v=1777051168</image:loc>
      <image:title>Native Human Immunoglobulin G (IgG), FC Fragment Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g-igg-protein-fc-fragment-immunogen-grade-bar-0085p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-FC-IMM.png?v=1777051229</image:loc>
      <image:title>Native Human Immunoglobulin G (IgG) Protein, FC Fragment, Immunogen Grade</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g-igg-protein-fc-fragment-low-endotoxin-level-bar-0086p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-FC-LEL.png?v=1777051260</image:loc>
      <image:title>Native Human Immunoglobulin G (IgG) Protein, FC Fragment, Low Endotoxin Level</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g-igg-protein-light-chain-bar-0087p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-LC.png?v=1777051278</image:loc>
      <image:title>Native Human Immunoglobulin G (IgG) Protein, Light Chain</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-mouse-immunoglobulin-g-igg-protein-bar-0088p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-rat-immunoglobulin-g-igg-protein-bar-0089p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-RAT.png?v=1777051327</image:loc>
      <image:title>Native Rat Immunoglobulin G (IgG) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g1-igg1-protein-bar-0090p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-1M.png?v=1777050880</image:loc>
      <image:title>Native Human Immunoglobulin G1 (IgG1) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g1-igg1-protein-bar-0091p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-1.png?v=1777050836</image:loc>
      <image:title>Native Human Immunoglobulin G1 (IgG1) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g1-igg1-fab-fragment-protein-bar-0092p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g1-igg1-fc-fragment-protein-bar-0093p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g2-igg2-protein-bar-0094p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-2M.png?v=1777050934</image:loc>
      <image:title>Native Human Immunoglobulin G2 (IgG2) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g2-igg2-protein-bar-0095p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0095P.png?v=1777050908</image:loc>
      <image:title>Native Human Immunoglobulin G2 (IgG2) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g3-igg3-protein-bar-0096p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-3.png?v=1777051013</image:loc>
      <image:title>Native Human Immunoglobulin G3 (IgG3) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g4-igg4-protein-bar-0098p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090707-4.png?v=1777051034</image:loc>
      <image:title>Native Human Immunoglobulin G4 (IgG4) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-m-igm-protein-bar-0099p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090713-M.png?v=1777051373</image:loc>
      <image:title>Native Human Immunoglobulin M (IgM) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-m-igm-protein-bar-0100p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090713.png?v=1777051350</image:loc>
      <image:title>Native Human Immunoglobulin M (IgM) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-m-igm-fc5mu-fragment-protein-bar-0101p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090713-Mfc5u.png?v=1777051415</image:loc>
      <image:title>Native Human Immunoglobulin M (IgM), Fc5mu Fragment Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-m-igm-mu-chain-protein-bar-0102p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090713-MU.png?v=1777051457</image:loc>
      <image:title>Native Human Immunoglobulin M (IgM), mu Chain Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-inter-alpha-inhibitor-protein-bar-0103p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090109.png?v=1777049855</image:loc>
      <image:title>Native Human Inter Alpha Inhibitor Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-kallikrein-protein-bar-0104p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-110112.png?v=1777051478</image:loc>
      <image:title>Native Human Kallikrein Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-kallikrein-protein-bar-0105p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-cynomolgus-monkey-kallikrein-protein-bar-0106p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-rat-kallikrein-protein-bar-0107p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-kininogen-protein-high-molecular-weight-bar-0108p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0108P.png?v=1777051508</image:loc>
      <image:title>Native Human Kininogen Protein, High Molecular Weight</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-kininogen-protein-low-molecular-weight-bar-0109p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-110914-L.png?v=1777051531</image:loc>
      <image:title>Native Human Kininogen Protein, Low Molecular Weight</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-thermophilic-bacteria-laccase-lac-protein-bar-0110p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lactalbumin-protein-bar-0111p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-13-011202.png?v=1777049176</image:loc>
      <image:title>Native Human Lactalbumin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lactoferrin-breast-milk-protein-bar-0112p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-13-120103.png?v=1777049421</image:loc>
      <image:title>Native Human Lactoferrin (Breast Milk) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lactoferrin-neutrophil-protein-bar-0113p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-14-120103.png?v=1777049445</image:loc>
      <image:title>Native Human Lactoferrin (Neutrophil) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-leucine-rich-alpha-2-glycoprotein-1-lrg1-protein-bar-0114p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0114P.png?v=1777051563</image:loc>
      <image:title>Native Human Leucine-rich Alpha 2 Glycoprotein-1 (LRG1) protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoprotein-a-protein-bar-0115p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-121601.png?v=1777047883</image:loc>
      <image:title>Native Human Lipoprotein(A) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoproteins-protein-high-density-bar-0116p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-080412.png?v=1777047583</image:loc>
      <image:title>Native Human Lipoproteins Protein, High Density</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoproteins-protein-high-density-cell-culture-grade-bar-0117p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-080412-TC.png?v=1777047621</image:loc>
      <image:title>Native Human Lipoproteins Protein, High Density (Cell Culture Grade)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoproteins-protein-intermediate-density-bar-0118p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-090412.png?v=1777047650</image:loc>
      <image:title>Native Human Lipoproteins Protein, Intermediate Density</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoproteins-protein-low-density-bar-0119p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-120412.png?v=1777047740</image:loc>
      <image:title>Native Human Lipoproteins Protein, Low Density</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoproteins-protein-low-density-cell-culture-grade-bar-0120p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-120412-TC.png?v=1777047800</image:loc>
      <image:title>Native Human Lipoproteins Protein, Low Density (Cell Culture Grade)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoproteins-protein-oxidized-low-density-bar-0121p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-120412-OX.png?v=1777047769</image:loc>
      <image:title>Native Human Lipoproteins Protein, Oxidized Low Density</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoproteins-protein-very-low-density-bar-0122p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-221204.png?v=1777047921</image:loc>
      <image:title>Native Human Lipoproteins Protein, Very Low Density</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lipoproteins-protein-very-low-density-cell-culture-grade-bar-0123p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/12-16-221204-TC.png?v=1777047952</image:loc>
      <image:title>Native Human Lipoproteins Protein, Very Low Density (Cell Culture Grade)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-lysozyme-protein-bar-0124p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0124P.png?v=1777049549</image:loc>
      <image:title>Native Human Lysozyme Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-myeloperoxidase-protein-bar-0125p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-14-130000.png?v=1777049582</image:loc>
      <image:title>Native Human Myeloperoxidase Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-plasmin-protein-frozen-bar-0126p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-161213-F.png?v=1777051649</image:loc>
      <image:title>Native Human Plasmin Protein, Frozen</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-plasmin-protein-lyophilized-bar-0127p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-161213-L.png?v=1777051665</image:loc>
      <image:title>Native Human Plasmin Protein, Lyophilized</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-plasminogen-protein-bar-0128p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0128P_5fe69993-9864-4e9b-b8a6-1f2511854554.png?v=1777051614</image:loc>
      <image:title>Native Human Plasminogen Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-platelet-factor-4-protein-bar-0129p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-prealbumin-transthyretin-protein-bar-0130p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-161801.png?v=1777051686</image:loc>
      <image:title>Native Human Prealbumin (Transthyretin) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-proteinase-3-pr3-protein-bar-0131p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-14-161820.png?v=1777049624</image:loc>
      <image:title>Native Human Proteinase 3 (PR3) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-retinol-binding-protein-4-rbp4-protein-bar-0132p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-180216.png?v=1777051715</image:loc>
      <image:title>Native Human Retinol Binding Protein 4 (RBP4) Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-rheumatoid-factor-igm-protein-bar-0133p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-bovine-s-100-protein-bar-0136p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-BR-190816-bovine.png?v=1777051876</image:loc>
      <image:title>Native Bovine S-100 Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-bovine-s-100b-protein-bar-0137p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-bovine-s-100aa-protein-bar-0138p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-secretory-immunoglobulin-a-siga-protein-bar-0139p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-13-090701.png?v=1777049372</image:loc>
      <image:title>Native Human Secretory Immunoglobulin A (SigA) protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-superoxide-dismutase-protein-bar-0140p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-05-191504.png?v=1777048160</image:loc>
      <image:title>Native Human Superoxide Dismutase Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-thrombospondin-protein-bar-0141p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-20-201319.png?v=1777051846</image:loc>
      <image:title>Native Human Thrombospondin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-transferrin-protein-holo-bar-0142p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-032001.png?v=1777049650</image:loc>
      <image:title>Native Human Transferrin protein, HOLO</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-transferrin-protein-holo-tissue-culture-grade-bar-0143p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-032001-LEL.png?v=1777049708</image:loc>
      <image:title>Native Human Transferrin protein, HOLO (Tissue Culture Grade)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-transferrin-sidero-protein-partially-iron-saturated-tissue-culture-grade-bar-0144p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-S32001-LEL.png?v=1777051788</image:loc>
      <image:title>Native Human Transferrin (SIDERO) Protein, Partially Iron Saturated, Tissue Culture Grade</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-transferrin-protein-bio-processing-grade-bar-0145p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-032001-BPG.png?v=1777049680</image:loc>
      <image:title>Native Human Transferrin Protein, Bio Processing Grade</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-cynomolgus-monkey-transferrin-protein-bar-0146p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-rat-transferrin-protein-bar-0147p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-032001-rat.png?v=1777049740</image:loc>
      <image:title>Native Rat Transferrin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-trypsin-protein-bar-0148p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-19-032000.png?v=1777051821</image:loc>
      <image:title>Native Human Trypsin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-antitrypsin-polyclonal-antibody-bar-0001a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-platelet-reactive-protein-polyclonal-antibody-bar-0002a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-haptoglobin-polyclonal-antibody-bar-0003a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-elastase-polyclonal-antibody-bar-0004a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-cathepsin-l-polyclonal-antibody-bar-0005a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-cathepsin-h-polyclonal-antibody-bar-0006a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-cathepsin-d-polyclonal-antibody-bar-0007a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-cathepsin-b-polyclonal-antibody-bar-0008a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-catalase-polyclonal-antibody-bar-0009a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-azurocidin-polyclonal-antibody-bar-0010a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-apolipoprotein-cii-polyclonal-antibody-bar-0011a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/rabbit-anti-apolipoprotein-ai-polyclonal-antibody-bar-0012a</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-eosinophil-peroxidase-epo-protein-bar-0011p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-free-secretory-component-plgr-protein-bar-0010p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/BAR-0010P.png?v=1777042117</image:loc>
      <image:title>Native Human Free Secretory Component / PLGR Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-eosinophil-derived-neurotoxin-edn-protein-bar-0012p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-dipeptidyl-peptidase-iv-protein-bar-0015p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-apoceruloplasmin-bar-0052p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-guinea-pig-albumin-bar-0064p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-hemoglobin-protein-bar-0067p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-05-080200.png?v=1777048014</image:loc>
      <image:title>Native Human Hemoglobin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-a2-iga2-protein-bar-0073p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-d-igd-protein-bar-0075p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-e-ige-kappa-protein-bar-0077p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-090705-M-Kappa.png?v=1777050065</image:loc>
      <image:title>Native Human Immunoglobulin E (IgE), Kappa Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-immunoglobulin-g4-igg4-protein-bar-0097p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-proteinase-3-protein-glycosylation-mutant-bar-0134p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-proteinase-3-protein-wild-type-bar-0135p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/native-human-vitronectin-protein-bar-0149p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/16-16-220920.png?v=1777051750</image:loc>
      <image:title>Native Human Vitronectin Protein</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-epo-protein-active-low-endo-bep-0001ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP067-SDSPAGE.png?v=1777340441</image:loc>
      <image:title>Recombinant Human EPO Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human EPO protein (2 μg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band from 30-45 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-hyper-il-6-protein-active-low-endo-bep-0002ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP068-assay-scaled-e1765583958788-211x300.png?v=1777340446</image:loc>
      <image:title>Recombinant Human Hyper IL-6 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human Hyper IL-6 (2 µg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue, showing a single band at 56-60 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-il-4-protein-active-low-endo-bep-0003ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP007-SDSPAGE.png?v=1777340451</image:loc>
      <image:title>Recombinant Mouse IL-4 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse IL-4 (2 µg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using
Coomassie® Blue showing a single band around 15 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-egf-protein-animal-free-active-low-endo-bep-0004ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP011_sds_ds1-01-scaled.jpg?v=1777340454</image:loc>
      <image:title>Recombinant Human EGF Protein, Animal-Free, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human EGF (W262 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 6 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fgf-basic-fgf2-145aa-protein-active-low-endo-bep-0005</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP006_SDS_ds-scaled.jpg?v=1777340456</image:loc>
      <image:title>Recombinant Human FGF-basic/FGF2 145aa Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human FGF-basic,145aa (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 16 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-6-protein-active-low-endo-bep-0006</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP016_sds1-01-scaled.jpg?v=1777340460</image:loc>
      <image:title>Recombinant Human IL-6 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IL-6 (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue with the observed glycosylated molecular weight at 20-23 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-6-protein-active-low-endo-bep-0007</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/Exrp077-SDSpage.png?v=1777340463</image:loc>
      <image:title>Recombinant Human IL-6 Protein, Active, Low Endotoxin</image:title>
      <image:caption>SDS-PAGE Data, Recombinant Human IL-6 HEK293 (2 µg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue, showing a single band at 20-23 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-soluble-dlk-1-sdlk-1-protein-active-low-endo-bep-0008ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP071-SDSPAGE.png?v=1777340466</image:loc>
      <image:title>Recombinant Human Soluble DLK-1 (sDLK-1) Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human sDLK-1 (2 μg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band around 40-45 kDa, and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-flt-3-ligand-flt3l-protein-active-low-endo-bep-0009</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP029-SDSPAGE-01-scaled.jpg?v=1777340469</image:loc>
      <image:title>Recombinant Human Flt-3 Ligand/FLT3L Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human Flt-3 Ligand (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 17 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-gdf-15-protein-active-low-endo-bep-0010</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP070-SDSPAGE-01-scaled.jpg?v=1777340472</image:loc>
      <image:title>Recombinant Human GDF-15 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human GDF-15 (2 ug/lane) on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained using Coomassie® Blue showing single bands at 12 kDa and 24 kDa, respectively, and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-gdnf-protein-active-low-endo-bep-0011</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP036-SDSPAGE_1-01.jpg?v=1777340476</image:loc>
      <image:title>Recombinant Human GDNF Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human GDNF (2 ug/lane) on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained using Coomassie® Blue showing single bands at 16 kDa and 32 kDa, respectively, and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-1-beta-il-1f2-protein-active-low-endo-bep-0013</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP031-SDSPAGE-01-scaled.jpg?v=1777340479</image:loc>
      <image:title>Recombinant Human IL-1 beta/IL-1F2 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IL-1 beta (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 17 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-15-protein-active-low-endo-bep-0014</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP012-SDSPAGE_2-01-scaled.jpg?v=1777340483</image:loc>
      <image:title>Recombinant Human IL-15 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IL-15 (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 13 kDa and purity greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-4-protein-active-low-endo-bep-0015ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP014-SDSPAGE-01-scaled.jpg?v=1777340486</image:loc>
      <image:title>Recombinant Human IL-4 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IL-4 (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 15 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-kgf-fgf-7-protein-active-low-endo-bep-0016ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP015-SDSPAGE-01-scaled.jpg?v=1777340489</image:loc>
      <image:title>Recombinant Human KGF/FGF-7 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human KGF/FGF-7 (2 ug/lane) on SDSPAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a major band at 19 kDa and purity greater than &gt;97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-m-csf-csf1-protein-active-low-endo-bep-0017ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP018-SDSPAGE-01-scaled.jpg?v=1777340492</image:loc>
      <image:title>Recombinant Human M-CSF/CSF1 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human M-CSF (2 ug/lane) on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained using Coomassie® Blue showing single bands at 43 kDa and 86 kDa, respectively, and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-bovine-serum-albumin-bsa-protein-active-low-endo-bep-0018ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP053-SDSPAGE-01-scaled.jpg?v=1777340495</image:loc>
      <image:title>Recombinant Bovine Serum Albumin/BSA Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Bovine Serum Albumin/BSA Protein (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at ~81 kDa and purity greater than 98%. Identity confirmed by polyclonal anti-BSA antibody in Western blot.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-bovine-serum-albumin-bsa-protein-animal-free-active-low-endo-bep-0019ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP168-SDSPAGE-01-scaled.jpg?v=1777340498</image:loc>
      <image:title>Recombinant Bovine Serum Albumin/BSA Protein, Animal-Free, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Bovine Serum Albumin/BSA Protein, Animal Component-Free (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 67 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-g-csf-protein-active-low-endo-bep-0020ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP069-SDSPAGE-01-scaled.jpg?v=1777340501</image:loc>
      <image:title>Recombinant Human G-CSF Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human G-CSF (2 µg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at approximately 17 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-ifn-gamma-protein-active-low-endo-bep-0021ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP027-SDSPAGE-01-scaled.jpg?v=1777340504</image:loc>
      <image:title>Recombinant Human IFN-gamma Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IFN-gamma (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 16 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-21-protein-active-low-endo-bep-0022ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP035-SDSPAGE-01-scaled.jpg?v=1777340508</image:loc>
      <image:title>Recombinant Human IL-21 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IL-21 (2 µg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 16 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-3-protein-active-low-endo-bep-0023ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP037-SDSPAGE-01-scaled.jpg?v=1777340511</image:loc>
      <image:title>Recombinant Human IL-3 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IL-3 (2 µg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 15 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-pdgf-bb-protein-active-low-endo-bep-0024</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP040-SDSPAGE-01.jpg?v=1777340514</image:loc>
      <image:title>Recombinant Human PDGF-BB Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human PDGF-BB (2 ug/lane) on SDS-AGE under reducing (R) and non-reducing (NR) conditions. The gel was stained using Coomassie® Blue showing single bands at 13 kDa and 28 kDa, respectively, and purity greater than 96%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-serum-albumin-hsa-protein-active-low-endo-bep-0025ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP052-SDSPAGE_1001.jpg?v=1777340517</image:loc>
      <image:title>Recombinant Human Serum Albumin/HSA Protein, Active, Low Endotoxin</image:title>
      <image:caption>Carrier effect of rHSA is observed in the cell proliferation in TF-1 human cells treated with Recombinant Human IL-3 in the presence of 25 µg/mL rHSA. The carrier effect due to rHSA does not alter the ED50 in this assay</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-serum-albumin-hsa-protein-animal-free-active-low-endo-bep-0026ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP167-SDSPAGE-01-scaled.jpg?v=1777340520</image:loc>
      <image:title>Recombinant Human Serum Albumin/HSA Protein, Animal-Free, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human Serum Albumin/HSA Protein, Animal Component-Free (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 67 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-thrombopoietin-tpo-protein-active-low-endo-bep-0027</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP017-SDSPAGE_insert-01.jpg?v=1777340523</image:loc>
      <image:title>Recombinant Human Thrombopoietin/TPO Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human Thrombopoietin/ TPO Protein (2 ug/lane) on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained using Coomassie® Blue showing a single band at 20 kDa and 18 kDa, respectively, and purity greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-vegf-165-protein-active-low-endo-bep-0028ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP021-SDSPAGE-01.jpg?v=1777340526</image:loc>
      <image:title>Recombinant Human VEGF 165 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human VEGF 165 (2 ug/lane) on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained using Coomassie® Blue showing single bands at 20 kDa (R) and 39 kDa (NR), and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-gm-csf-csf2-protein-active-low-endo-bep-0029</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP004-SDSPAGE-01-scaled.jpg?v=1777340530</image:loc>
      <image:title>Recombinant Mouse GM-CSF/CSF2 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse GM-CSF (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 14 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-ifn-gamma-protein-active-low-endo-bep-0030ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP038-SDSPAGE-01-scaled.jpg?v=1777340533</image:loc>
      <image:title>Recombinant Mouse IFN-gamma Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse IFN-gamma (2 µg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 11 kDa and purity greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-il-2-protein-active-low-endo-bep-0031</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP033-SDSPAGE-01-scaled.jpg?v=1777340536</image:loc>
      <image:title>Recombinant Mouse IL-2 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse IL-2 (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 17 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-il-3-protein-active-low-endo-bep-0032</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP041-SDSPAGE_2_1-01-scaled.jpg?v=1777340539</image:loc>
      <image:title>Recombinant Mouse IL-3 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse IL-3 (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 15 kDa and purity greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-m-csf-csf1-protein-active-low-endo-bep-0033ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP001_sds_ds.png?v=1777340542</image:loc>
      <image:title>Recombinant Mouse M-CSF/CSF1 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse M-CSF/CSF1 Protein (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 26 kDa and purity greater than 97%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-tnf-alpha-protein-active-low-endo-bep-0034</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP010-SDSPAGE-Insert-01-scaled.jpg?v=1777340545</image:loc>
      <image:title>Recombinant Mouse TNF-alpha Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse TNF-alpha (2 ug/lane) on SDS-AGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 17 kDa and purity greater than 95%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-trance-rankl-protein-active-low-endo-bep-0035</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP024-SDSPAGE-01.jpg?v=1777340548</image:loc>
      <image:title>Recombinant Mouse TRANCE/RANKL Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse TRANCE/RANKL (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 19 kDa and purity greater than 96%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-dna-rna-nuclease-active-low-endo-bep-0036ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP156-SDSPAGE-01-scaled.jpg?v=1777340551</image:loc>
      <image:title>Recombinant DNA/RNA Nuclease, Active, Low Endotoxin</image:title>
      <image:caption>Purified Nuclease (Lane 1: 0.5 μg, Lane 2: 2.0 μg) on SDS-PAGE under reducing conditions. The gel was stained using Coomassie® Blue showing a single band at 29 kDa and purity greater than 98-99%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fgf-10-protein-active-low-endo-bep-0037ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP005-SDSPAGE-01.jpg?v=1777340554</image:loc>
      <image:title>Recombinant Human FGF-10 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human FGF-10 (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 20 kDa and purity greater than 95%. Note: Coomassie Blue staining with this protein is weaker than expected.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-il-6-protein-active-low-endo-bep-0038ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP032-SDSPAGE-ds-01.jpg?v=1777340557</image:loc>
      <image:title>Recombinant Mouse IL-6 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Mouse IL-6 (2 ug/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 24 kDa and purity greater than 96%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-il-6-protein-active-bep-0039</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-2-protein-active-bep-0040</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-7-protein-active-low-endo-bep-0041</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP020-SDS_PAGE1002.png?v=1777340566</image:loc>
      <image:title>Recombinant Human IL-7 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IL-7 (2 µg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at ~17 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-lif-protein-active-bep-0042</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-noggin-nog-protein-active-bep-0043</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-r-spondin-1-rspo1-protein-active-bep-0044</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-scf-protein-active-low-endo-bep-0045ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP019-SDSpage.png?v=1777340578</image:loc>
      <image:title>Recombinant Human SCF Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human SCF (2 μg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 15 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-tnf-alpha-protein-animal-free-active-low-endo-bep-0046ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP022-SDSPAGE.png?v=1777340581</image:loc>
      <image:title>Recombinant Human TNF-alpha Protein, Animal-Free, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human TNF-alpha (2 μg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at about 15 kDa and purity &gt;98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-mouse-rat-activin-a-protein-active-low-endo-bep-0047ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-mouse-rat-bdnf-protein-active-low-endo-bep-0048ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP028-SDSPAGE.png?v=1777340587</image:loc>
      <image:title>Recombinant Human/Mouse/Rat BDNF Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human/Mouse BDNF Recombinant Human/Mouse BDNF (2 μg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 14 kDa and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-r-spondin-3-rspo3-protein-active-low-endo-bep-0049ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-noggin-nog-protein-active-bep-0050</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-scf-protein-active-bep-0051</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-bmp-2-protein-active-bep-0052</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-bmp-4-protein-active-bep-0053</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-epiregulin-protein-active-bep-0054</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-heregulin-beta1-protein-active-bep-0055</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-il-13-protein-active-low-endo-bep-0056ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP044-SDS_PAGE.png?v=1777340612</image:loc>
      <image:title>Recombinant Human IL-13 Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human IL-13 (2 μg/lane) on SDSPAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing a single band at 15 kDa and purity greater than 98%. and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-neurotrophin-3-nt-3-protein-active-bep-0057</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-pdgf-aa-protein-active-low-endo-bep-0058ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP050-SDSPAGE-1001.jpg?v=1777340621</image:loc>
      <image:title>Recombinant Human PDGF-AA Protein, Active, Low Endotoxin</image:title>
      <image:caption>Recombinant Human PDGF-AA (2 μg/lane) on SDS-PAGE under reducing (R) conditions. The gel was stained using Coomassie® Blue showing 14 kDa (R) and 29 kDa (NR) and purity greater than 98%.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-tgf-beta-1-protein-active-bep-0059</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-flt-3-ligand-flt3l-protein-active-bep-0060</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-thrombopoietin-tpo-protein-active-low-endo-bep-0061ul</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/EXRP048-SDSPAGE.png?v=1777340629</image:loc>
      <image:title>Recombinant Mouse Thrombopoietin/Tpo Protein, Active, Low Endotoxin</image:title>
      <image:caption>Carrier effect of rHSA is observed in the cell proliferation in TF-1 human cells treated with Recombinant Human IL-3 in the presence of 25 µg/mL rHSA. The carrier effect due to rHSA does not alter the ED50 in this assay</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-1-alpha-il1a-protein-ble-0001p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0001p_activity_v1.png?v=1789076672</image:loc>
      <image:title>Recombinant Human Interleukin-1 Alpha (IL1A) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Human IL-1A (BLE-0001P) induces NF-kB reporter activity by the reporter gene assay. The ED50 for this effect is ≤0.05 ng/mL. The activity of Human IL-1A (BLE-0001P) was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-1-beta-il1b-protein-ble-0002p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0002p_activity_v1.png?v=1789076674</image:loc>
      <image:title>Recombinant Human Interleukin-1 Beta (IL1B) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce NF-kB reporter activity in MCF-7 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-2-il2-protein-ble-0003p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0003p_activity_v1.png?v=1789076645</image:loc>
      <image:title>Recombinant Human Interleukin-2 (IL2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human IL-2 (BLE-0003P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-3-il3-protein-ble-0004p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0004p_activity_v1.png?v=1789076674</image:loc>
      <image:title>Recombinant Human Interleukin-3 (IL3) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using TF-1 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-4-il4-protein-ble-0005p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0005p_activity_v1.png?v=1789076645</image:loc>
      <image:title>Recombinant Human Interleukin-4 (IL4) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human IL-4 (BLE-0005P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-5-il5-protein-ble-0006p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-6-il6-protein-ble-0007p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0007p_activity_v1.png?v=1789076645</image:loc>
      <image:title>Recombinant Human Interleukin-6 (IL6) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human IL-6. (BLE-0007P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-bovine-interleukin-6-il6-protein-ble-0008p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0008p_activity_v1.png?v=1789076675</image:loc>
      <image:title>Recombinant Bovine Interleukin-6 (IL6) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using M-NFS-60 cells. The ED50 for this effect is ≤0.1 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-7-il7-protein-ble-0009p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0009p_activity_v1.png?v=1789076645</image:loc>
      <image:title>Recombinant Human Interleukin-7 (IL7) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Measured in a cell proliferation assay using NALM-6 human pre-B cells. The ED50 for this effect is ≤30 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-10-il10-protein-ble-0010p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0010p_activity_v1.png?v=1789076675</image:loc>
      <image:title>Recombinant Human Interleukin-10 (IL10) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using MC-9 mouse mast cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-11-il11-protein-ble-0011p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0011p_activity_v1.png?v=1789076677</image:loc>
      <image:title>Recombinant Human Interleukin-11 (IL11) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is ＜0.5 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-12-il12a-il12b-protein-ble-0012p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0012p_activity_v1.png?v=1789076677</image:loc>
      <image:title>Recombinant Human Interleukin-12 (IL12A/IL12B) Protein Complex, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is ＜0.5 ng/mL. The activity of Y04701 was higher than other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-13-il13-protein-ble-0013p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0013p_activity_v1.png?v=1789076648</image:loc>
      <image:title>Recombinant Human Interleukin-13 (IL13) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Human IL-13 (BLE-0013P) measured in a cell proliferation assay using TF-1 cells. The ED50 is ≤1.0 ng/mL，corresponding to a specific bioactivity of ≥1×106 U/mg. The bioactivity of IL-13(BLE-0013P) was equivalent to other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-15-il15-protein-ble-0014p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0014p_activity_v1.png?v=1789076648</image:loc>
      <image:title>Recombinant Human Interleukin-15 (IL15) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Measured in a cell proliferation assay using CTLL-2 mouse cytotoxic T cells. The ED50 for this effect is ≤0.5 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-15-il15-protein-fc-tag-ble-0015p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0015p_activity_v1.png?v=1789076679</image:loc>
      <image:title>Recombinant Human Interleukin-15 (IL15) Protein, Fc Tag, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using CTLL-2 mouse cytotoxic T cells. The EC50 for this effect is＜60 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-17a-il17a-protein-ble-0016p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0016p_activity_v1.png?v=1789076679</image:loc>
      <image:title>Recombinant Human Interleukin-17A (IL17A) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce IL-6 secretion by NIH‑3T3 mouse embryonic fibroblast cells. The ED50 for this effect is＜10 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-18-il18-protein-ble-0017p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0017p_activity_v1.png?v=1789076680</image:loc>
      <image:title>Recombinant Human Interleukin-18 (IL18) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce IFN-gamma secretion by KG‑1 human acute myelogenous leukemia cells in the presence of TNF-alpha. The ED50 for this effect is ≤2.0 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-21-il21-protein-ble-0018p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0018p_activity_v1.png?v=1789076648</image:loc>
      <image:title>Recombinant Human Interleukin-21 (IL21) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Measured by its ability to enhance IFN-gamma secretion in NK-92 human natural killer lymphoma cells. The ED50 for this effect is ≤ 20 ng/mL. The bioactivity of recombinant Human IL-21(BLE-0018P) is higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-22-il22-protein-ble-0020p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0020p_activity_v1.png?v=1789076680</image:loc>
      <image:title>Recombinant Human Interleukin-22 (IL22) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce IL-10 secretion in COLO 205 human colorectal adenocarcinoma cells. The ED50 for this effect is ≤2.0 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-23-il23a-il12b-protein-ble-0021p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0021p_activity_v1.png?v=1789076648</image:loc>
      <image:title>Recombinant Human Interleukin-23 (IL23A/IL12B) Protein Complex, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is ＜0.5 μg/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-interleukin-27-il27-ebi3-protein-c-terminal-6-his-tag-ble-0022p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0022p_activity_v1.png?v=1789076681</image:loc>
      <image:title>Recombinant Mouse Interleukin-27 (IL27/EBI3) Protein Complex, C-terminal 6-His Tag, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a VSV inhibition assay with Wish cells. The ED50 is ≤1 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-33-il33-protein-ble-0023p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0023p_activity_v1.png?v=1789076682</image:loc>
      <image:title>Recombinant Human Interleukin-33 (IL33) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce IL-8 secretion by HUVEC human umbilic vein endothelial cells. The ED50 for this effect is ≤1.0 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interleukin-34-il34-protein-his-tag-ble-0024p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0024p_activity_v1.png?v=1789076683</image:loc>
      <image:title>Recombinant Human Interleukin-34 (IL34) Protein, His Tag, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using human PBMCs. The ED50 for this effect is ≤10 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-1-fgf1-protein-ble-0025p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0025p_activity_v1.png?v=1789076683</image:loc>
      <image:title>Recombinant Human Fibroblast Growth Factor 1 (FGF1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using NIH3T3 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-heat-stable-fibroblast-growth-factor-2-fgf2-protein-ble-0026p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0026p_activity_v1.png?v=1789076650</image:loc>
      <image:title>Recombinant Human Heat-Stable Fibroblast Growth Factor 2 (FGF2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human Transferrin (BLE-0026P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-2-fgf2-protein-ble-0027p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-bovine-fibroblast-growth-factor-2-fgf2-protein-ble-0028p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0028p_activity_v1.png?v=1789076684</image:loc>
      <image:title>Recombinant Bovine Fibroblast Growth Factor 2 (FGF2) Protein, Tag-Free, Active, GMP-Grade, Standard Endotoxin</image:title>
      <image:caption>Recombinant Bovine bFGF (BLE-0028P) stimulates proliferation of NIH3T3 cells. The ED50 for this effect is ≤ 2.0 ng/mL. The bioactivity of Recombinant Bovine bFGF (BLE-0028P) was equivalent to other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-fish-fibroblast-growth-factor-2-fgf2-protein-ble-0029p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0029p_activity_v1.png?v=1789076685</image:loc>
      <image:title>Recombinant Fish Fibroblast Growth Factor 2 (FGF2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Recombinant Fish bFGF (BLE-0029P) stimulates proliferation of NIH3T3 cells. The ED50 for this effect is &gt;2.0 ng/mL. The bioactivity of recombinant Fish bFGF (BLE-0029P) was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-4-fgf4-protein-ble-0030p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0030p_activity_v1.png?v=1789076651</image:loc>
      <image:title>Recombinant Human Fibroblast Growth Factor 4 (FGF4) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Recombinant Human FGF4 (BLE-0030P) stimulates proliferation of NIH3T3 cells. The ED50 for this effect is 0.25-1ng/mL. The Bioactivity of BLE-0030P was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-4-fgf4-protein-ble-0031p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-7-fgf7-protein-ble-0032p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0032p_activity_v1.png?v=1789076651</image:loc>
      <image:title>Recombinant Human Fibroblast Growth Factor 7 (FGF7) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using Saos-2 human osteosarcoma cells. .</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-8b-fgf8-protein-ble-0033p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0033p_activity_v1.png?v=1789076686</image:loc>
      <image:title>Recombinant Human Fibroblast Growth Factor 8b (FGF8) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using NIH3T3 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-9-fgf9-protein-ble-0034p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0034p_activity_v1.png?v=1789076651</image:loc>
      <image:title>Recombinant Human Fibroblast Growth Factor 9 (FGF9) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Recombinant Human FGF9 (BLE-0034P) stimulates proliferation of NIH3T3 cells. The ED50 for this effect is 1-3 ng/mL. The bioactivity of BLE-0034P was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-10-fgf10-protein-ble-0035p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0035p_activity_v1.png?v=1789076654</image:loc>
      <image:title>Recombinant Human Fibroblast Growth Factor 10 (FGF10) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Measured by its ability to induce IL-11 secretion by Saos-2 human osteosarcoma cells</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-10-fgf10-protein-ble-0036p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibroblast-growth-factor-19-fgf19-protein-ble-0037p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-activin-a-inhba-protein-ble-0038p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0038p_activity_v1.png?v=1789076654</image:loc>
      <image:title>Recombinant Human Activin A (INHBA) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Determined by its ability to inhibit the proliferation of mouse MPC-11 cells. The expected ED50 is ≤ 2.0 ng/mL, corresponding to a specific bioactivity of ≥ 5 x 105 units/mg.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-transforming-growth-factor-beta-1-tgfb1-protein-ble-0039p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0039p_activity_v1.png?v=1789076654</image:loc>
      <image:title>Recombinant Human Transforming Growth Factor Beta 1 (TGFB1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell inhibition assay using TF-1 cells at IL-4 presence. The ED50 for this effect is ≤0.1ng/mL. The bioactivity of BLE-0039P was higher than other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-transforming-growth-factor-beta-1-tgfb1-protein-ble-0040p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0040p_activity_v1.png?v=1789076686</image:loc>
      <image:title>Recombinant Human Transforming Growth Factor Beta 1 (TGFB1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell inhibition assay using TF-1 cells at IL4 presence. The ED50 for this effect is ≤0.1 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-transforming-growth-factor-beta-2-tgfb2-protein-ble-0041p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0041p_activity_v1.png?v=1789076687</image:loc>
      <image:title>Recombinant Human Transforming Growth Factor Beta 2 (TGFB2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a inhibition assay using TF-1 cells in the presence of IL4.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-transforming-growth-factor-beta-3-tgfb3-protein-ble-0042p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0042p_activity_v1.png?v=1789076688</image:loc>
      <image:title>Recombinant Human Transforming Growth Factor Beta 3 (TGFB3) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell inhibitionn assay using TF-1 cells at IL4 presence. The ED50 for this effect is ≤0.2 ng/mL. The bioactivity of BLE-0042P was higher than other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-bone-morphogenetic-protein-2-bmp2-protein-ble-0043p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0043p_activity_v1.png?v=1789076689</image:loc>
      <image:title>Recombinant Human Bone Morphogenetic Protein 2 (BMP2) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce alkaline phosphatase production by ATDC-5 cells. The expected ED50 for this effect is ＜0.5 μg/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-bone-morphogenetic-protein-4-bmp4-protein-ble-0044p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-bone-morphogenetic-protein-7-bmp7-protein-ble-0045p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0045p_activity_v1.png?v=1789076654</image:loc>
      <image:title>Recombinant Human Bone Morphogenetic Protein 7 (BMP7) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Measured alkaline phosphatase production by ATDC-5 chondrogenic cells. The bioactivity of BLE-0045P was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-bone-morphogenetic-protein-9-gdf2-protein-ble-0046p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0046p_activity_v1.png?v=1789076689</image:loc>
      <image:title>Recombinant Human Bone Morphogenetic Protein 9 (GDF2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Determined by its ability to induce alkaline phosphatase production by ATDC-5 cells. The expected ED50 for this effect is ＜2.0 ng/mL. The activity of recombinant Human BMP-9 (BLE-0046P) is higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-growth-differentiation-factor-8-myostatin-mstn-protein-ble-0047p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0047p_activity_v1.png?v=1789076690</image:loc>
      <image:title>Recombinant Human Growth Differentiation Factor 8 / Myostatin (MSTN) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in ainhibition assay using MPC-11 cells. The ED50 is＜20 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-vascular-endothelial-growth-factor-a121-vegfa-protein-ble-0048p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0048p_activity_v1.png?v=1789076691</image:loc>
      <image:title>Recombinant Human Vascular Endothelial Growth Factor A121 (VEGFA) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using HUVEC human umbilic vein endothelial cells. The ED50 for this effect is ＜10 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-vascular-endothelial-growth-factor-a165-vegfa-protein-ble-0049p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0049p_activity_v1.png?v=1789076656</image:loc>
      <image:title>Recombinant Human Vascular Endothelial Growth Factor A165 (VEGFA) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Recombinant Human VEGF165 (BLE-0049P) stimulates proliferation of HUVEC human umbilicvein endothelial cells. The ED50 for this effect is 0.2-10 ng/mL. BLE-0049P was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-insulin-ins-protein-ble-0050p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0050p_activity_v1.png?v=1789076657</image:loc>
      <image:title>Recombinant Human Insulin (INS) Protein, Tag-Free, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>‍Measured in a serum-free cell proliferation assay using MCF-7 human breast cancer cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-lr3-insulin-like-growth-factor-1-igf1-protein-ble-0051p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0051p_activity_v1.png?v=1789076657</image:loc>
      <image:title>Recombinant Human LR3 Insulin-Like Growth Factor 1 (IGF1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Human LR3 IGF-1 (BLE-0051P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-lr3-insulin-like-growth-factor-1-igf1-protein-ble-0052p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0052p_activity_v1.png?v=1789076692</image:loc>
      <image:title>Recombinant Human LR3 Insulin-Like Growth Factor 1 (IGF1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a serum-free cell proliferation assay using MCF-7 human breast cancer cells. The ED50 for this effect ≤1.5 ng/mL. The bioactivity of BLE-0052P is higher than other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-insulin-like-growth-factor-1-igf1-protein-ble-0053p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-insulin-like-growth-factor-2-igf2-protein-ble-0054p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0054p_activity_v1.png?v=1789076692</image:loc>
      <image:title>Recombinant Human Insulin-Like Growth Factor 2 (IGF2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a serum-free cell proliferation assay using MCF‑7 human breast cancer cells. The ED50 for this effect is ≤50 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-platelet-derived-growth-factor-bb-pdgfb-protein-ble-0055p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0055p_sds-page_v1.png?v=1789076715</image:loc>
      <image:title>Recombinant Human Platelet-Derived Growth Factor BB (PDGFB) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Recombinant Human PDGF-BB (Cat. No. BLE-0055P) SDS-PAGE under reducing (R) &amp; Non-reducing conditions. The gel was stained with BLE-0055P SDS-PAGE.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-platelet-derived-growth-factor-aa-pdgfa-protein-ble-0056p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0056p_activity_v1.png?v=1789076693</image:loc>
      <image:title>Recombinant Human Platelet-Derived Growth Factor AA (PDGFA) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using NIH3T3 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-platelet-derived-growth-factor-ab-pdgfa-pdgfb-protein-ble-0057p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0057p_activity_v1.png?v=1789076694</image:loc>
      <image:title>Recombinant Human Platelet-Derived Growth Factor AB (PDGFA/PDGFB) Protein Complex, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using NlH3T3 cells. The ED50 is ≤ 1.0ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-epidermal-growth-factor-egf-protein-ble-0058p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0058p_activity_v1.png?v=1789076658</image:loc>
      <image:title>Recombinant Human Epidermal Growth Factor (EGF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human Transferrin (Y04501).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-porcine-epidermal-growth-factor-egf-protein-ble-0059p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-neuregulin-1-beta-1-nrg1-protein-ble-0060p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0060p_activity_v1.png?v=1789076695</image:loc>
      <image:title>Recombinant Human Neuregulin 1 Beta 1 (NRG1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a serum-free cell proliferation assay using MCF-7 human breast cancer cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-brain-derived-neurotrophic-factor-bdnf-protein-ble-0061p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0061p_activity_v1.png?v=1789076695</image:loc>
      <image:title>Recombinant Human Brain-Derived Neurotrophic Factor (BDNF) Protein, Tag-Free, Active, GMP-Grade</image:title>
      <image:caption>The activity is determined by the dose-dependent proliferation of C6 cell sand is typically between 0.5-1.5 μg/mL. Corresponding to a specific activity of 1 x 103 units/mg.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-ciliary-neurotrophic-factor-cntf-protein-ble-0062p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0062p_activity_v1.png?v=1789076696</image:loc>
      <image:title>Recombinant Human Ciliary Neurotrophic Factor (CNTF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using TF-1 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-glial-cell-line-derived-neurotrophic-factor-gdnf-protein-ble-0063p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0063p_activity_v1.png?v=1789076697</image:loc>
      <image:title>Recombinant Human Glial Cell Line-Derived Neurotrophic Factor (GDNF) Protein, Tag-Free, Active, GMP-Grade</image:title>
      <image:caption>Measured in a cell proliferation assay using SH-SY5Y human neuroblastoma cells. The ED50 for this effect is ≤20 ng/mL in the presence of Recombinant Human GDNF R alpha -1.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-persephin-pspn-protein-ble-0064p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0064p_activity_v1.png?v=1789076698</image:loc>
      <image:title>Recombinant Human Persephin (PSPN) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using TT human medullary thyroid cancer cells. The ED50 for this effect is ＜20 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-neurturin-nrtn-protein-ble-0065p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0065p_activity_v1.png?v=1789076698</image:loc>
      <image:title>Recombinant Human Neurturin (NRTN) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using SH-SY5Y human neuroblastoma cells in the presence of Recombinant Human GDNF R alpha -2.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-neurotrophin-3-ntf3-protein-ble-0066p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0066p_activity_v1.png?v=1789076699</image:loc>
      <image:title>Recombinant Human Neurotrophin-3 (NTF3) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Measured by its binding ability in a functional ELISA. Immobilized human NT3 can bind human TrkC. The ED50 is ≤4 μg/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-nerve-growth-factor-beta-ngf-protein-ble-0067p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0067p_activity_v1.png?v=1789076700</image:loc>
      <image:title>Recombinant Human Nerve Growth Factor Beta (NGF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is ＜10 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-erythropoietin-epo-protein-ble-0068p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0068p_activity_v1.png?v=1789076659</image:loc>
      <image:title>Recombinant Human Erythropoietin (EPO) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Recombinant Human EPO (Cat. No.BLE-0068P) stimulates proliferation of TF-1 human erythroleukemic cells. The ED50 for this effect is ≤0.1 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-flt3-ligand-flt3lg-protein-ble-0069p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0069p_activity_v1.png?v=1789076660</image:loc>
      <image:title>Recombinant Human FLT3 Ligand (FLT3LG) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Recombinant Human FLT-3L (BLE-0069P) stimulates proliferation of OCI-AML5 cells. The ED50 for this effect is ≤1.0 ng/mL. The bioactivity of recombinant Human FLT-3L (BLE-0069P) was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-hepatocyte-growth-factor-hgf-protein-ble-0070p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0070p_activity_v1.png?v=1789076701</image:loc>
      <image:title>Recombinant Human Hepatocyte Growth Factor (HGF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce IL-11 secretion by Saos‑2 human osteosarcoma cells. The ED50 for this effect is ≤2.5 ng/ml. The bioactivity of BLE-0070P was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-bovine-leukemia-inhibitory-factor-lif-protein-ble-0071p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0071p_activity_v1.png?v=1789076701</image:loc>
      <image:title>Recombinant Bovine Leukemia Inhibitory Factor (LIF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to inhibit the proliferation of M1 mouse myeloid leukemia cells. The ED50 for this effect is typically ＜0.5 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-leukemia-inhibitory-factor-lif-protein-ble-0072p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0072p_activity_v1.png?v=1789076660</image:loc>
      <image:title>Recombinant Human Leukemia Inhibitory Factor (LIF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Determined by its ability to stimulate the proliferation of human TF-1 cells. The expected ED50 is ≤ 0.1 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-leukemia-inhibitory-factor-lif-protein-ble-0073p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0073p_activity_v1.png?v=1789076660</image:loc>
      <image:title>Recombinant Mouse Leukemia Inhibitory Factor (LIF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Measured in the M1 cell differentiation assay. The ED50 is ≤0.2 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-leukemia-inhibitory-factor-lif-protein-ble-0074p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0074p_activity_v1.png?v=1789076702</image:loc>
      <image:title>Recombinant Human Leukemia Inhibitory Factor (LIF) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Measured by its ability to inhibit the proliferation of M1 mouse myeloid leukemia cells. The ED50 for this effect is typically ＜0.5 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-noggin-nog-protein-ble-0075p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0075p_activity_v1.png?v=1789076663</image:loc>
      <image:title>Recombinant Human Noggin (NOG) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human Noggin (BLE-0075P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-noggin-nog-protein-ble-0076p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-oncostatin-m-osm-protein-ble-0077p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0077p_activity_v1.png?v=1789076663</image:loc>
      <image:title>Recombinant Human Oncostatin M (OSM) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Human OSM (BLE-0077P) stimulates proliferation of TF-1 cells. The specific bioactivity of Recombinant Human OSM is ≤ 2 ng/mL. The bioactivity of Recombinant Human OSM (BLE-0077P) was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-r-spondin-1-rspo1-protein-ble-0078p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0078p_activity_v1.png?v=1789076663</image:loc>
      <image:title>Recombinant Human R-Spondin-1 (RSPO1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human R-Spondin1 (BLE-0078P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-stem-cell-factor-kitlg-protein-ble-0079p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0079p_activity_v1.png?v=1789076664</image:loc>
      <image:title>Recombinant Human Stem Cell Factor (KITLG) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Recombinant Human SCF (BLE-0079P) stimulates proliferation of TF-1 cells. The ED50 for this effect is 5-8ng/mL. The bioactivity of BLE-0079P was higher than other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-thrombopoietin-thpo-protein-ble-0080p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0080p_activity_v1.png?v=1789076666</image:loc>
      <image:title>Recombinant Human Thrombopoietin (THPO) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using Mo7e cells. The ED50 for this effect is ≤1.0 ng/mL. The bioactivity of BLE-0080P was higher than other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-wnt-3a-wnt3a-protein-hfc-tag-ble-0081p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0081p_activity_v1.png?v=1789076666</image:loc>
      <image:title>Recombinant Human Wnt-3a (WNT3A) Protein, hFc Tag, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human Wnt-3a (Fc Tag) (Y04063).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-connective-tissue-growth-factor-ccn2-protein-ble-0082p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0082p_activity_v1.png?v=1789076703</image:loc>
      <image:title>Recombinant Human Connective Tissue Growth Factor (CCN2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell adhesion and proliferation assay using NIH3T3 mouse embryonic fibroblast cells. The ED50 for this effect is ＜0.5 μg/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interferon-gamma-ifng-protein-ble-0083p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0083p_activity_v1.png?v=1789076666</image:loc>
      <image:title>Recombinant Human Interferon Gamma (IFNG) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human Transferrin (BLE-0083P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interferon-gamma-ifng-protein-ble-0084p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0084p_activity_v1.png?v=1789076704</image:loc>
      <image:title>Recombinant Human Interferon Gamma (IFNG) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using Mo7e cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-interferon-alpha-2b-ifna2-protein-ble-0085p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0085p_activity_v1.png?v=1789076667</image:loc>
      <image:title>Recombinant Human Interferon Alpha-2b (IFNA2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍Measured in a VSV inhibition assay with Wish cells. The ED50 this effect is ≤100 pg/mL, corresponding to a specific bioactivity is ≥1 ×107 units/mg. The bioactivity of BLE-0085P was higher than the other competing product.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-granulocyte-colony-stimulating-factor-csf3-protein-ble-0086p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0086p_activity_v1.png?v=1789076669</image:loc>
      <image:title>Recombinant Human Granulocyte Colony-Stimulating Factor (CSF3) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>‍The activity is determined by the dose-dependent proliferation of murine NFS-60 cells is ＜ 0.5 ng/mL, corresponding to a specific activity of ≥ 1 x 107 units/mg.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-granulocyte-colony-stimulating-factor-csf3-protein-ble-0087p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0087p_activity_v1.png?v=1789076705</image:loc>
      <image:title>Recombinant Mouse Granulocyte Colony-Stimulating Factor (CSF3) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>The activity is determined by the dose-dependent proliferation of murine NFS-60 cells is＜0.05 ng/mL, corresponding to a specific activity of ≥ 2 E7 units/mg.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-granulocyte-macrophage-colony-stimulating-factor-csf2-protein-ble-0088p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0088p_activity_v1.png?v=1789076669</image:loc>
      <image:title>Recombinant Human Granulocyte-Macrophage Colony-Stimulating Factor (CSF2) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Recombinant Human GM-CSF (BLE-0088P) stimulates proliferation of TF-1 cells. The ED50 for this effect is ≤0.2 ng/mL. Compared with other competitors in terms of bioactivity, BLE-0088P is equivalent to competitor#1&gt;competitor#2&gt;competitor#3.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-granulocyte-macrophage-colony-stimulating-factor-csf2-protein-ble-0089p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0089p_activity_v1.png?v=1789076705</image:loc>
      <image:title>Recombinant Mouse Granulocyte-Macrophage Colony-Stimulating Factor (CSF2) Protein, Tag-Free, Active, GMP-Grade</image:title>
      <image:caption>Measured in a cell proliferation assay using M-NFS-60 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-macrophage-colony-stimulating-factor-csf1-protein-ble-0090p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0090p_activity_v1.png?v=1789076707</image:loc>
      <image:title>Recombinant Human Macrophage Colony-Stimulating Factor (CSF1) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using M-NFS-60 cells</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-macrophage-colony-stimulating-factor-csf1-protein-ble-0091p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0091p_activity_v1.png?v=1789076707</image:loc>
      <image:title>Recombinant Mouse Macrophage Colony-Stimulating Factor (CSF1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>The activity is determined by the dose-dependent proliferation of murine NFS-60 cells is ＜ 0.05 ng/mL, corresponding to a specific activity of ≥ 2 E7 units/mg.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-tumor-necrosis-factor-alpha-tnf-protein-ble-0092p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0092p_activity_v1.png?v=1789076669</image:loc>
      <image:title>Recombinant Human Tumor Necrosis Factor Alpha (TNF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cytotoxicity assay using L‑929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-tumor-necrosis-factor-alpha-tnf-protein-ble-0093p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0093p_activity_v1.png?v=1789076708</image:loc>
      <image:title>Recombinant Human Tumor Necrosis Factor Alpha (TNF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cytotoxicity assay using L-929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. The ED50 for this effect is 5-60 pg/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibronectin-fn1-protein-his-tag-ble-0094p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-fibronectin-fn1-protein-ble-0095p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-dickkopf-1-dkk1-protein-ble-0096p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0096p_activity_v1.png?v=1789076710</image:loc>
      <image:title>Recombinant Human Dickkopf-1 (DKK1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to inhibit 50 ng/mL Wnt-3a induced Topflash reporter activity in CHO cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-rank-ligand-tnfsf11-protein-ble-0097p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-growth-hormone-gh1-protein-ble-0098p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0098p_activity_v1.png?v=1789076710</image:loc>
      <image:title>Recombinant Human Growth Hormone (GH1) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using Nb2-11 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-tissue-factor-f3-protein-ble-0099p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0099p_activity_v1.png?v=1789076710</image:loc>
      <image:title>Recombinant Human Tissue Factor (F3) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured by its ability to activate Coagulation Factor VII in cleaving a fluorogenic peptide substrate Boc-VPR-AMC . The AC50 is &lt; 5 μg/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-bovine-transferrin-tf-protein-ble-0100p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0100p_activity_v1.png?v=1789076711</image:loc>
      <image:title>Recombinant Bovine Transferrin (TF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a serum-free cell proliferation assay using MDCK canine kidney epithelial cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-apo-transferrin-tf-protein-ble-0101p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0101p_activity_v1.png?v=1789076713</image:loc>
      <image:title>Recombinant Human Apo-Transferrin (TF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a serum-free cell proliferation assay using MDCK canine kidney epithelial cells. The ED50 for this effect is ≤5 μg/mL. The activity of BLE-0101P was higher than other competing products.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-holo-transferrin-tf-protein-ble-0102p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0102p_activity_v1.png?v=1789076670</image:loc>
      <image:title>Recombinant Human Holo-Transferrin (TF) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Highly consistent bioactivity between different production batches of Recombinant Human Transferrin (BLE-0102P).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-vitronectin-vtn-protein-his-tag-ble-0103p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-laminin-511-e8-fragment-lama5-lamb1-lamc1-protein-his-tag-ble-0104p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-laminin-521-e8-fragment-lama5-lamb2-lamc1-protein-ble-0105p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-prolactin-prl-protein-ble-0106p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0106p_activity_v1.png?v=1789076713</image:loc>
      <image:title>Recombinant Human Prolactin (PRL) Protein, Tag-Free, Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Measured in a cell proliferation assay using Nb2-11 cells.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-human-4-1bb-ligand-tnfsf9-protein-ble-0107p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0107p_activity_v1.png?v=1789076714</image:loc>
      <image:title>Recombinant Human 4-1BB Ligand (TNFSF9) Protein, Tag-Free, Active, GMP-Grade, Low Endotoxin</image:title>
      <image:caption>Measured by its ability to induce lL-8 secretion in PBMCs.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-anti-human-cd3-mab-ble-0114p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0114p_activity_v1.png?v=1789076672</image:loc>
      <image:title>Recombinant Mouse Anti-Human CD3 Monoclonal Antibody (CD3), Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Recombinant Anti-Human CD3 mAb (BLE-0114P) binding with Jurkat. The ED50 for this effect is less than 10 ng/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-mouse-anti-human-cd16-mab-ble-0115p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0115p_activity_v1.png?v=1789076672</image:loc>
      <image:title>Recombinant Mouse Anti-Human CD16 Monoclonal Antibody (FCGR3A/FCGR3B), Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Recombinant Anti-Human CD16 mAb (BLE-0115P) binding with Jurkat. The ED50 for this effect is less than 0.03 ug/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-anti-human-cd28-mab-ble-0116p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0624/2169/6737/files/ble-0116p_activity_v1.png?v=1789076672</image:loc>
      <image:title>Recombinant Anti-Human CD28 Monoclonal Antibody (CD28), Active, GMP-Grade, Ultra-Low Endotoxin</image:title>
      <image:caption>Recombinant Anti-Human CD28 mAb (BLE-0116P) binding with HPB-All. The ED50 for this effect is less than 0.03 μg/mL.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.betalifesci.com/products/recombinant-anti-human-cd52-mab-ble-0117p</loc>
    <lastmod>2026-09-10T18:36:05-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
</urlset>
