Sensor for measuring the quantity of a dissolved component

Details Sensor for measuring the quantity of a dissolved component Sensor for measuring the quantity of a dissolved component

C - Chemistry, Metallurgy

12

M

C12M 1/40 (2006.01) C12Q 1/00 (2006.01) G01N 27/30 (2006.01) G01N 27/327 (2006.01)

Patent

CA 2080840

ABSTRACT A sensor for measuring the amount of a component in solution is disclosed. The sensor has a measuring electrode with at least one current collector, electrically connected to one of the electrical contacts and coated with a mixture comprising at least one oxidation-reduction enzyme specific to said component and at least one mediator transferring the electrons between said enzyme and said current collector wherein the mediator is a transition metal complex with at least one bipyridine, terpyridine or phenanthroline ligand substituted by at least one electron donor group. This sensor is particularly useful in the detection of glucose.

Divulgation d'un détecteur servant à mesurer la quantité d'un constituant en solution. Le détecteur comporte une électrode de mesure constituée d'au moins un collecteur de courant, électriquement relié à un des contacts électriques et enduit d'un mélange constitué d'au moins une enzyme oxydo-réductrice spécifique du constituant en question et d'au moins un médiateur transférant les électrons entre ladite enzyme et le collecteur de courant susmentionné, le médiateur étant un complexe métallique de transition avec au moins un ligand bipyridine, terpyridine ou phénanthroline substitué par au moins un groupement donneur d'électrons. Ce dispositif est particulièrement utile pour la détection du glucose.

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