Method, reagent, cartridge, and device for determining fibrinogen

The present invention relates to the field of determining components of biological fluids, and more particularly relates to methods, reagents, test cartridges and devices useful for determining fibrinogen in physiological samples, preferably in undiluted whole blood and undiluted blood plasma sample...

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Bibliographic Details
Main Author Bruegger, Berndt B
Format Patent
LanguageEnglish
Published 10.09.2002
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Summary:The present invention relates to the field of determining components of biological fluids, and more particularly relates to methods, reagents, test cartridges and devices useful for determining fibrinogen in physiological samples, preferably in undiluted whole blood and undiluted blood plasma samples. The invention is a method, reagent, test cartridge and device for the determination of fibrinogen in a sample, such as undiluted blood and blood plasma. The method utilizes a reagent comprising thrombin and a thrombin inhibitor that slows the enzymatic conversion of fibrinogen to fibrin, and thus slows clotting in samples. This is particularly useful for determining fibrinogen in undiluted blood and blood plasma. Fibrinogen assay reagents comprising at least one thrombin inhibitor and thrombin, and test cartridges containing the reagents for automated analysis of fibrinogen are disclosed, along with automated devices using said reagent and test cartridges for the devices.