Fetal Bovine Serum (FBS, Fetal Calf Serum) acts not only as a growth promoting additive to your cell culture media, but also as a stabilizer in diagnostic assays, for surface coating culture vessels or for inactivating trypsin. It supports most cell lines and is tested for viruses and microorganisms. Applications: ? Additive for cell culture media ? Stabilizer ? Surface coating ? Inactivation of trypsin Sourced from USDA-approved sources and goes through the same filtration schemes and final quality-control testing as our other grades. Triple 0.1um sterile-filtered Mycoplasma-tested and virus-screened Collection facilities outside the United States are in countries that have been declared free of certain bovine viruses such as foot and mouth disease by the USDA. Each lot of animal serum is certified as to country of origin, assuring when applicable, that USDA importation regulations are strictly followed. Documentation of traceability can be supplied upon request for every lot of fetal