Answer:It is screened for murine embryonic stem-cell culture using criteria such as plating efficiency, colony morphology, and cellular toxicity.
Answer:The product contains 500 mL of characterized U.S.-origin fetal bovine serum.
Answer:No. The standard serum and the separately designated heat-inactivated configuration are different product options.
HyClone Characterized Embryonic Stem Cell Screened fetal bovine serum is U.S.-origin serum selected for supporting the culture of murine embryonic stem cells. The characterized serum undergoes additional embryonic stem-cell screening, including evaluation of plating efficiency, colony morphology, and cellular toxicity. These screening criteria help laboratories choose a serum lot for workflows in which maintenance of undifferentiated stem-cell characteristics and consistent growth are important. The product is supplied in a 500 mL bottle and is not the separate heat-inactivated configuration. Serum performance depends on the specific cell line, medium formulation, passage history, and lot; qualify an individual serum lot using representative cultures before adopting it for routine work. Store frozen at −10 °C or lower and follow the applicable cell-culture procedure for controlled thawing, aseptic aliquoting, and short-term refrigerated storage. Record serum lot identifiers to support cell-culture consistency across experiments. Use the appropriate certificate of suitability or lot-specific quality documentation when endotoxin, hemoglobin, and other acceptance criteria affect study design.
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