Over 25 proteins and protein frag-ments make up the complement system, including serum proteins, serosal proteins, and cell membrane receptors. They account for about 5% of the globulin fraction of blood serum. Explore Similar Complement Biology You asked, we answered — Lyophilized human complement is here! We’re excited to announce that Pel-Freez Biologicals now offers pooled and single donor lyophilized human complement, making your lab work more efficient, cost-effective, and flexible. April 5, 2025 • 9 min read Complement Biology Baby Rabbit Complement: The Gold Standard for Functional Antibody Assays Baby rabbit complement has long been the World Health Organization’s recommended standard complement option for functional antibody assays to evaluate vaccine efficacy. October 26, 2020 • 6 min read Complement Biology Antibody Depleted Human Complement: We’ve Scaled Up Our Process! For decades Pel-Freez has been the largest US producer of rabbit blood fractions and rabbit complement. Our baby rabbit complement is used globally in serum bactericidal assays (SBA) and opsonophagocytic assays (OPA) with great success. October 20, 2020 • 7 min read STAY UPDATED Get the latest research from the bench. Email* CommentsThis field is for validation purposes and should be left unchanged. Continue readingSee All Post Why quality and traceability matter in coagulation reagents for IVD Learn How to Improve Immunogenicity Assay Accuracy with Antibody-Depleted Complement Expanding luminescence-based SBA to 7 Shigella serotypes with Pel-Freez baby rabbit complement Load More See All Post
