For Research Use Only. Not for Use in Diagnostic Procedures. Bio-immuno assay for the measurement of tPA activity. Assay designed with an ELISA plate coated with murine monocolonal antibody specific for tPA, then stabilized, which binds tPA present in plasma or in tested sample. tPA activity is then revealed through activation of plasminogen, in presence of tPA stimulator, and consequent cleavage of a substrate specific for Plasmin. This is an ON-DEMAND item which requires minimum order quantity and extended lead time. Please Contact Us for a quote.