Pel-Freez Blog
Read more about the latest updates, how Pel-Freez products support research, and get helpful practical tips in our blog.
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C1q and Factor-Depleted Human Serum: Dissecting the Complement PathwaysHow C1q-, C3-, Factor B- and other factor-depleted human sera isolate the classical and alternative complement pathways, with reconstitution tips.
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Complement Activity Explained: CH50 and Hemolytic TiterWhat CH50 (50% hemolytic complement titer) measures, how it is run with antibody-coated sheep RBCs, and how to use it when qualifying complement reagents.
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You asked, we answered: Lyophilized human complement is here!Pooled and single donor human complement, native or antibody-depleted, now in a freeze-dried format: ships on cool packs, stores at −20 °C, and reconstitutes...
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Baby Rabbit Complement: The Gold Standard for Functional Antibody AssaysBaby rabbit complement has long been the World Health Organization’s recommended standard complement option for functional antibody assays to evaluate vaccine efficacy. Pel-Freez Biologicals...
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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...
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Facts of Rabbit Complement: InfographicOver 25 proteins and protein fragments make up the complement system, including serum proteins, serosal proteins, and cell membrane receptors. They account for about...
