Voltammetric systems for assaying biological analytes

G - Physics – 01 – N

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G01N 27/48 (2006.01) G01N 33/487 (2006.01)

Patent

CA 2566492

The present invention relates to systems, methods, and devices for determining the concentration of an analyte in a sample. The use of linear, cyclic, or acyclic voltammetric scans and/or semi-integral, derivative, or semi~- derivative data treatment may provide for increased accuracy when determining the concentration of an analyte in a sample. Hematocrit compensation in combination with the data treatments may reduce the hematocrit effect with regard to a glucose analysis in whole blood. In another aspect, fast scan rates may reduce the hematocrit effect.

La présente invention concerne des systèmes, des procédés et des dispositifs de détermination de la concentration d'un analyte dans un échantillon. L'utilisation de balayages linéaires, cycliques ou acycliques voltamétriques et/ou d'un traitement de données semi-intégrales, dérivées ou semi-dérivées permet d'obtenir une précision accrue lors de la détermination de la concentration d'un analyte dans un échantillon. La compensation d'hématocrite en association avec les traitements de données permet de réduire l'effet d'hématocrite par rapport à l'analyse du glucose dans le sang total. Dans un autre aspect, des vitesses de balayage rapides permettent de réduire l'effet hématocrite.

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