Protein S activity

CompanyReagentLink to informationRemarks
BioMedica DiagnosticsACTICLOT Protein S

Method: Clotting


Hyphen BioMed Hemoclot Protein SHyphen Hemoclot protein S

Method: Clotting


Assay principle: APTT based, triggered by Factor IXa in the presence of APC


Interferences: Heparin > 1.0 IU/ml, interference expected from abnormal high levels of FVIII:C, Lupus, FV Leiden and in aprotinin treated patients


Precision BiologicCryocheck Clot SPrecision Biologic Cryocheck Clot S

Method: Clotting


Assay principle: Measurement of free protein S


Interferences: Factor VIII:C levels >600% and unfractionated heparin/ low molecular weight heparin > 1.0 IU/ml


r2 Diagnostics Thrombo Tek PSer2 Diagnostics Thrombo Tek PSeMethod: Clotting

Assay principle: Measurement of free protein S


Interferences: Heparin > 1.0 IU/ml

Siemens HealthineersProtein S AcSiemens Protein S AcMethod: Clotting

Assay principle: Measurement of free protein S


Interferences: Heparin > 3.0 IU/ml andFactor VIII:C levels >400%

Stago STA-Staclot Protein SStago STA-Staclot ProteinS

Method: Clotting


Assay principle: Measurement of free protein S


Stago, TcoagTriniCLOT Protein S IIStago TriniCLOT Protein S II

Method: Clotting


Assay principle: Measurement of free protein S


TechnocloneTechnoclot Proetein STechnoclone Technoclot Protein S

Method: Clotting


WerfenHemosIL Protein S ActivityWerfen HemosIL Protein S Activity

Method: Clotting


Assay principle: Measurement of free protein S


Interferences: Heparin UF > 1.6 IU/ml and heparin LMWH > 2.1 IU/ml


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