Multi-region and potential test sensors, methods, and systems

Details Multi-region and potential test sensors, methods, and systems Multi-region and potential test sensors, methods, and systems

G - Physics

01

N

G01N 27/327 (2006.01)

Patent

CA 2700507

Biosensor systems including a measurement device and test sensors including at least three independently address- able electrodes, with at least two of the electrodes being substantially chemically isolated are disclosed. One or more working electrodes may be combined with two or more counter electrodes. The two or more counter electrodes may operate at different potentials to provide for multi-analyte electrochemical analysis. Analysis methods are provided to perform multi-analyte electro- chemical analysis and test sensors are provided having resistance to chemical mixing between secondary analysis regions.

La présente invention concerne des systèmes de biocapteurs comprenant un dispositif de mesure et des capteurs pour essai comprenant au moins trois électrodes adressables indépendamment, deux au moins des électrodes étant sensiblement isolées chimiquement. Une ou plusieurs électrodes de travail peuvent être combinées à deux contre-électrodes ou plus. Les deux contre-électrodes ou plus peuvent fonctionner à des potentiels différents pour fournir une analyse électrochimique multianalytique. L'invention concerne aussi des procédés d'analyse pour effectuer une analyse électrochimique multianalytique et des capteurs pour essai présentant une résistance au mélange chimique entre des régions d'analyse secondaires.

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