A better way to measure functionally active prothrombin

Posted: January 13, 2022

It’s Not Just Support. It’s Solutions.

diapharma bioassays hemostasis thrombosis chromogenic

High Quality Assays for the Latest Hemostasis and Anticoagulation Research


Featuring ROX Prothrombin*

  • Provides a prothrombinase based chromogenic method to measure biologically functional FII activity in plasma and FII containing concentrates
  • Non-γ-carboxylated-FII is not activated in this method in contrast to snake venom based prothrombin methods
  • High dilution means minimal interferences and detection limit of about 0.05 U/mL (5%)
  • Precise method for detecting loss of functional activity that may occur during manufacturing of Prothrombin Complex Concentrate (PCC)
  • The high quality you expect from Rossix

chromogenic prothrombin assay test kit


DOAC-STOP™ Tablets*

  • Simplify your testing with the first product to effectively remove DOACs from plasma
  • Perform clotting assays on plasma containing DOACs in anticoagulant research

DOAC Calibrators and Controls*

Plus, reliable tools for heparin & warfarin measurement

Coamatic® Heparin & Coatest® Heparin

  • Well published, well established chromogenic anti-Xa kits for clinical or industrial use, from the leaders in chromogenic substrate technology

DiaPharma Factor X

  • Chromogenic Factor X assay kit for warfarin measurement in patients with unreliable INRs


Visit diapharma.com for our portfolio of hemostasis assays.

*Research use only in the U.S. and Canada. Not for use in diagnostic procedures.


It’s Not Just Support. It’s Solutions.

Twenty five years of scientific expertise, with support just a call or click away.

diapharma bioassays hemostasis thrombosis chromogenic

diapharma bioassays hemostasis thrombosis chromogenic

DiaPharma Group, Inc. 8948 Beckett Rd, West Chester, OH 45069

Technical Support: 1.800.447.3846