Protein S (PS) is a vitamin K dependent protein, mainly synthesized in liver. Plasma PS exists in two forms: complexed with C4b-BP, or as free form that presents anticoagulant activity by acting as cofactor of Activated Protein C (APC). In the presence of calcium and phospholipids, the APC-PS complex inhibits Factors Va and VIIIa.
HEMOCLOT Protein S is a coagulation assay of Protein S activity in plasma.Two package sizes – 3×1 ml and 3×2 ml.
ZYMUTEST Free Protein S (II) is an ELISA assay of Free Protein S, whereas ZYMUTEST Total Protein S measures all Protein S, free and in a complex.
LIAPHEN Free Protein S is a turbidometric assay of Free PS.
Catalogue number
CK041K, CK042K
RK015B
RK021A
120004
Product name
HEMOCLOT Protein S
ZYMUTEST Free Protein S (II)
ZYMUTEST Total Protein S
LIAPHEN Free Protein S
Manufacturer
Hyphen-BioMed
Documents
120004_LIAPHEN Free PS_v4_2021-01