Description
vW Factor Assay
Trusted Gold Standard for Precise Von Willebrand Syndrome Assessment
vW Factor Assay® (Ristocetin CoFactor) Test Kit is a system of reagents and control plasmas that causes lyophilized platelets to agglutinate in the presence of patient Platelet Poor Plasma and Ristocetin for evaluation of von Willebrand Syndrome. This innovative kit from the Bio/Data Corporation is built upon a foundation of reagents and control plasmas that induce lyophilized platelets to agglutinate in the presence of patient Platelet Poor Plasma and Ristocetin. It is a sophisticated solution that not only tests for Ristocetin Cofactor activity but also offers a range of features for enhanced precision and regulatory compliance.
- Tests Patient Samples for Ristocetin CoFactor Activity
- Offers a Three or Four Point Standard Curve
- Achieves Linear Standard Curves
- Replaces Lab Developed Tests for Regulatory Compliance
- Shows Inflammatory Responses
- Includes Lot Specific Assay Value Sheet
- Use with Most Light Transmission Aggregometers
- Plasmas Traceable to WHO Standard Reference Plasma
- Suitable for Veterinary Use

The 20-determination complete test kit comes equipped with essential components, including Lyophilized Platelets, Ristocetin Reagent, vW Normal Reference Plasma, vW Abnormal Control Plasma, Tris Buffered Saline, and Graph Paper. This comprehensive package provides healthcare professionals with a reliable and efficient tool for the thorough evaluation of von Willebrand Syndrome, contributing to advancements in hematology diagnostics.
For further information please utilize the product information tab for the vW Factor Asssay Product Data Sheet, Instruction for Use (IFU) and Safety Data Sheet (SDS).










