Method of reducing the effect of direct interference current...

G - Physics – 01 – N

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G01N 27/327 (2006.01) C12Q 1/00 (2006.01)

Patent

CA 2543957

This invention describes a method of reducing the effect of interfering compounds in a bodily fluid when measuring an analyte using an electrochemical sensor (62). In particular, the present method is applicable to electrochemical sensors where (62) the sensor includes a substrate (50), first and second working electrodes (10,12), and a reference electrode (14) and either the first and second or only the second working electrode include regions which are bare of reagent (22). In this invention, an algorithm is described with mathematically corrects for the interference effect using the test strip embodiments of the present invention.

Procédé de réduction de l'effet de composés d'interférence dans un fluide corporel lors de la mesure d'un analyte à l'aide d'un capteur électrochimique (62). Le procédé selon la présente invention peut être appliqué en particulier à des capteurs électrochimiques (62) dans lesquels le capteur comporte un substrat (50), des première et seconde électrodes de travail (10,12) et un électrode de référence (14), soit les première et seconde électrodes de travail, soit seulement la seconde électrode de travail comportant des régions exemptes de réactif (22). Dans cette invention, un algorithme corrige mathématiquement l'effet d'interférence lorsque sont utilisées des bandes diagnostiques selon la présente invention.

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