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vW SELECTTM   Ristocetin CoFactor Assay System

Catalog No.  106730

vW SelectTM is an All-In-One Ristocetin CoFactor Assay System comprised of reagents, control plasmas, and lot specific technical information optimized to elicit the agglutination of lyophilized platelets in the presence of the patient’s Platelet Poor Plasma and Ristocetin.

  • Lyophilized Human Control Plasma

  • Formulated to have Normal Ristocetin CoFactor Activity

  • Verify Ristocetin CoFactor Activity Assay Performance and Sensitivity

  • Suitable for Use with Most Light Transmission Aggregometers

  • Traceable to WHO Standard Reference Plasma

TECHNICAL BULLETIN

PRODUCT DETAILS

Ristocetin CoFactor is the in-vitro activity of the von Willebrand factor which causes the agglutination of platelets in the presence of ristocetin.  Decreased von Willebrand factor is associated with von Willebrand Disease, the quantitation of ristocetin cofactor activity is useful in the diagnosis and evaluation of this coagulopathy.  It is also useful when monitoring patient response to therapy. Levels of ristocetin cofactor activity are determined by the ability of a test plasma and ristocetin to induce agglutination of a standardized platelet suspension.  Results are determined using a lot specific Standard Reference Curve.

50 Determination Complete Test Kit Includes:   Lyophilized Platelets 2 x 10.0mL, vW AggRecetin Reagent 2 x 15mg, vW Normal Reference Plasma 5 x 0.5mL, vW Abnormal Control Plasma 5 x 0.5mL, vW Normal Control Plasma 5 x 0.5mL, Tris Buffered Saline 3 x 10.0mL, and AggRecetin Diluent 2 x 2.0mL

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