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Updated: Jun 2, 2026

Measurement of Factor V Activity in Human Plasma Using a Microplate Coagulation Assay
Published on: September 9, 2012
Reduction of analytical error in measurement of the concentration of coagulation factors in plasma
Abstract:
A modification of the method of Owren & Aas for the determination of relative arbitrary substance concentration of coagulation factors (II+VII+X) in plasma is presented. The coefficient of variation on repetends (today-yesterday) is reduced to 0.03 for results in the therapeutic as well as the 'normal' interval. An unusual composition of the plasma may be revealed. Thromboplastin-absorbed bovine plasma should be kept at -70 °C.
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