Human Urokinase (uPA) Purified Two Chain High Molecular Weight 100ug - Human Urokinase (uPA) Purified High Molecular Weight from Innovative Research has been purified from Human Urine using a combination of conventional and affinity chromatography. This is a frozen liquid buffered in 0.05M Sodium Acetate; 0.1M NaCl; 1mM EDTA; pH 5.0 and a purity of 95%. This product is useful as a positive control for ELISA and western blot and for a variety of in vitro applications including cell differentiation, cell signaling, clotting assays, fibrinolysis, plasminogen activation, protein-protein interactions, receptor binding, thromboelastography, and thrombolysis. Active two-chain high molecular weight human urokinase. More Details Source Human Urine Purification Chromatographically purified Purity 95% Storage Conditions -70 C