Characterized FBS is comparable to the highest quality FBS from other suppliers. It is lower in price than Defined FBS, but meets the requirements of most discriminating FBS users. Characterized FBS is filtered through three sequential 100nm (0.1 µm) pore-size rated filters.

Assays (subject to change without notice): Gamma Globulin, Alkaline Phosphatase, Lactate Dehydrogenase, Glutamic Pyruvic Transaminase (SGPT), Glutamic Oxaloacetic Transaminase (SGOT), pH, Total Protein, Albumin, Blood Urea Nitrogen, Creatinine, Total Bilirubin, Sodium, Potassium, Calcium, Chloride, Inorganic Phosphorus, Osmolality, Iron, Total Iron Binding Capacity (TIBC), Percent Saturation, Glucose, and IgG.