System and method for determining the concentration of an...

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G01N 21/25 (2006.01) G01N 21/77 (2006.01)

Patent

CA 2648147

A system for determining the concentration of an analyte in a liquid sample, said system comprising a detection unit for detecting light intensities, which are radiated from partial regions of a detection region of a test element, as well as an evaluation unit which determines a frequency distribution for the detected light intensities, wherein the frequency distribution has at least one first maximum, which is caused by unwetted partial regions or at least one reference region, and a second maximum, which is caused by wetted partial regions, and selects at least one light intensity on the basis of the frequency distribution and determines the concentration of the analyte from the at least one light intensity selected.

La présente invention concerne un système de détermination de la concentration d'une substance à analyser dans un échantillon liquide comportant une unité de détection pour la détection des intensités lumineuses qui sont émises par des zones partielles d'une zone de reconnaissance d'un élément de test ainsi qu'une unité d'exploitation qui calcule une distribution de fréquence pour les intensités lumineuses détectées, la distribution de fréquence comportant au moins un premier maximum, produit par des zones partielles non mouillées ou au moins une zone de référence et un deuxième maximum, produit par des zones partielles mouillées et sélectionne à partir de la distribution de fréquence au moins une intensité lumineuse et calcule la concentration de la substance à analyser à partir de ladite ou desdites intensités lumineuses sélectionnées.

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