γ-irradiated by SER-TAIN™ process
hemoglobin, ≤20 mg/dL
cell culture | mammalian: suitable
≤10 EU/mL endotoxin
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Once Fetal Bovine Serum has been thawed, the bottle can be used in cell culture for up to 7 days for most cell types when stored refrigerated at 2-8°C. If the cells are not fastidous (e.g. HeLa or fibroblasts), the thawed and refrigerated serum can be used for up to 30 days. For some extremely fastidious cell lines, it may be necessary to screen individual lots for acceptable performance. For uses such as blocking for various immuno procedures, usage will generally be for 30 days and perhaps somewhat longer when stored at 2-8°C. For other procedures, usage beyond 30 days storage at 2-8°C will need to be determined.
Ask a Scientist here.
Find answers to questions (FAQs) about fetal bovine serum (FBS) that is gamma-irradiated by the SER-TAIN™ process. Request a sample of FBS at Sigma-Aldrich.com.
Cultured cells are excellent hosts for the propagation of many types of viruses. The ability of cell culture systems to produce large quantities of attenuated viral particles has served as the basis for the production of both human and veterinary vaccines. Traditional methods have relied on the production of viral agents in cells cultured in medium supplemented with serum, most commonly fetal bovine serum (FBS).