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Normal serum and male AB serum, both used in cell culture and research, differ primarily in their source and potential for antibody reactivity. Normal serum can be obtained from both male and female donors of all blood groups, while male AB serum is exclusively derived from male donors of blood group AB. The absence of antibodies against A and B antigens in male AB serum minimizes unwanted immune reactions, making it a preferred choice in certain applications.

Serum is defibrinated from plasma that is negative for HIV, HBV, HCV, HAV/Parvo-B19, Syphilis and Atypical Antibodies (unless you are explicitly ordering disease serum). We also test our serum for Total Protein to ensure it is at least 5.0g/dL. Additional testing is based on customer needs where we perform Endotoxin, Sterility, pH, Osmolality, and Biochemistry to name a few. 

Normal and Male AB serum ship within 1 business day using UPS 2-day Air. Allergy and Disease serum sometimes may not be in-stock but we will email you with an ETA within 1 business day. 

Yes. Since these are biological materials, quantitative results will vary by instrument and assay used and can often vary widely. We do not guarantee that the test results are reproducible. 

Human serum is physiologically similar to the human cells that you are growing. Multiple studies have shown cell proliferation, differentiation and spheroid formation to be comparable or better than other serum types. Serum-free media is not physiologically same as human serum. In vitro results may not translate to in vivo. Bovine serum is physiologically different and poses zoonotic risks.