Together, Precision BioLogic and Affinity Biologicals are advancing hemostasis diagnostics and research. Combining scientific depth and precise manufacturing, this merging of expertise strengthens our position as the gold standard for those looking for innovation and accuracy in hemostasis.

Whether in a clinical lab or a research lab, you can count on the reliable product performance for which we are known coupled with a commitment to superior customer service and support. From controls, calibrators, and specialty plasmas to antibodies, ELISA kits, and customized solutions, we are your hemostasis partner.

Precision BioLogic and Affinity Biologicals have recently developed several innovative products that will impact clinical diagnosis and research advancements in hemostasis.

CRYOcheck™ Hex LA™
Frozen qualitative test kit to aid in the detection of lupus anticoagulant via hexagonal phase phospholipids

CRYOcheck Chromogenic Factor VIII
Frozen chromogenic assay for the determination of factor VIII activity levels in prepared human plasma samples

CRYOcheck Chromogenic Factor IX
Frozen chromogenic assay for the determination of factor IX activity levels in prepared human plasma samples

CRYOcheck Factor VIII Deficient Plasma with VWF
Frozen deficient substrate for clot-based factor VIII assays; FVIII antigen and activity levels <1% with normal levels of von Willebrand factor (VWF)

VisuLize™ Factor VIII Antigen Plus Kit
Measures human factor VIII antigen in plasma, therapeutic factor VIII concentrates and recombinant factor VIII

Latest Posters

From ISTH 2023

Effect of High-Dose Direct Anticoagulant Drugs and DOAC-Remove™ on Lupus Anticoagulant Detection by a Hexagonal Phase Phospholipid Assay

From THSNA 2022

Validation of a New Kit for the Determination of Factor IX Activity

From ISTH 2022

Performance of FVIII Deficient Plasma with VWF in the Activity Measurement of FVIII Replacement Products in Plasma Samples Using an OSC Assay

Performance of a Chromogenic Factor IX Activity Assay in the Recovery of Factor IX Replacement Therapies

View all Precision BioLogic publications

View all Affinity Biologicals publications

With decades of proven experience developing, manufacturing, and marketing high-quality products for hemostasis diagnostics and research, Precision BioLogic and Affinity Biologicals have the knowledge and expertise to help you grow your business.

We’re here to help at any stage of your product life cycle.

• Research and development
• Custom manufacturing
• Contract services
  • Field research studies
  • Antibody production
  • Custom lyophilization
  • Plasma depletion

Learn more