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Vaccine Immunogenicity
Immunogenicity testing is central to vaccine development, helping researchers determine whether a vaccine candidate can elicit a protective immune response.
July 18, 2025
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9 min read
IVD & Clinical Assays
Coagulation diagnostics play a critical role in modern healthcare, underpinning essential tests such as prothrombin time (PT), activated partial thromboplastin time (aPTT), and anticoagulant monitoring.
May 12, 2026
Shigellosis remains a pressing global health challenge, particularly in low- and middle-income countries where it disproportionately affects children under five.
April 5, 2025
8 min read
Neisseria gonorrhoeae, a pathogen with high infection rates and increasing antibiotic resistance, poses an urgent public health challenge.
Complement Biology
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.
Opsonophagocytic killing assays (OPKA/OPA) and multiplex OPKA (MOPA) evaluate the ability of antibodies to opsonize bacteria, facilitating their destruction by immune cells.
February 14, 2025
One of our most popular offerings, double (IgG/IgM) depleted human serum, has been helping researchers perform vaccine development assays since 2017.
7 min read
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
