Factor VII clotting activity

Diet and blood coagulation factor VII—a key protein in arterial thrombosis

“…It is a one-stage clotting assay in which diluted test plasma is mixed with human TF, CaCl 2 , and FVII de®cient plasma (Marbet & Duckert, 1992). The clotting time is recorded and FVIIc expressed relative to a log±log linear calibration curve based on a reference plasma.…”