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1. WO2009015316 - SYSTEM AND METHODS FOR DETERMINATION OF ANALYTE CONCENTRATION USING TIME RESOLVED AMPEROMETRY

Publication Number WO/2009/015316
Publication Date 29.01.2009
International Application No. PCT/US2008/071128
International Filing Date 25.07.2008
IPC
G01N 27/327 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
26by investigating electrochemical variables; by using electrolysis or electrophoresis
28Electrolytic cell components
30Electrodes, e.g. test electrodes; Half-cells
327Biochemical electrodes
CPC
G01N 27/3273
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
26by investigating electrochemical variables; by using electrolysis or electrophoresis
28Electrolytic cell components
30Electrodes, e.g. test electrodes; Half-cells
327Biochemical electrodes ; , e.g. electrical or mechanical details for in vitro measurements
3271Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
3273Devices therefor, e.g. test element readers, circuitry
Applicants
  • HOME DIAGNOSTICS, INC, [US]/[US] (AllExceptUS)
  • DENG, David, Z. [US]/[US] (UsOnly)
Inventors
  • DENG, David, Z.
Agents
  • GARRETT, Arthur, S.
Priority Data
60/952,07626.07.2007US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHODS FOR DETERMINATION OF ANALYTE CONCENTRATION USING TIME RESOLVED AMPEROMETRY
(FR) SYSTÈME ET PROCÉDÉS POUR DÉTERMINER LA CONCENTRATION D'UN ANALYSAT PAR AMPÉROMÉTRIE À RÉSOLUTION TEMPORELLE
Abstract
(EN)
This invention is a method for determining a concentration of an analyte. The steps include applying a potential excitation to a fluid sample containing an analyte, and measuring a current associated with the potential excitation at a plurality of time-points. The method also includes calculating an analyte concentration based on the measured current and a calibration curve, wherein the calibration curve is selected from a plurality of calibration curves (410, 420, 430, 440) and each calibration curve is associated with a time-segment selected from a plurality of time-segments.
(FR)
Cette invention est un procédé pour déterminer la concentration d'un analysat. Les étapes comprennent l'application d'une excitation de potentiel à un échantillon de fluide contenant une substance à analyser et la mesure du courant associé à l'excitation de potentiel à une pluralité d'instants. Le procédé comprend également le calcul d'une concentration en analysat sur la base du courant mesuré et d'une courbe d'étalonnage, la courbe d'étalonnage étant choisie parmi une pluralité de courbes d'étalonnage et chaque courbe d'étalonnage étant associée à un segment de temps choisi parmi une pluralité de segments de temps.
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