... for you.You enquiry is appreciated .Intended UseThe One Step Test Kit for NT-proBNP (colloidal gold) is intended for use ... serum, plasma or whole blood specimens in vitro quantitatively.This test serves as an aid in the diagnosis, prognosis and evaluation ... increase in proportion to the NT-proBNP concentration.Then insert test card into the FIA8000 Quantitative Immunoassay Analyzer, the concentration of ...