Biosensor and its use to indicate the status of a product

Details Biosensor and its use to indicate the status of a product Biosensor and its use to indicate the status of a product

C - Chemistry, Metallurgy

12

Q

C12Q 1/00 (2006.01) G01N 27/00 (2006.01) G01N 31/22 (2006.01) G01N 33/15 (2006.01) G01N 33/02 (2006.01)

Patent

CA 2386249

A biosensor comprises a unit, comprising a substrate and an enzyme, which when brought into contact with the substrate is adapted to affect the substrate so that its conductivity changes as a function of time and temperature, and an electric circuit. The unit is included as a component in said electric circuit and the electric circuit is activable by applying an electric field and/or a magnetic field over the same to generate a measurable signal which is dependent on the total resistance of the circuit. The invention also relates to the use of such a biosensor, a label with such a biosensor and a method of indicating the status of a product with such a biosensor.

L'invention concerne un biocapteur qui comprend un circuit électrique, et une unité constituée d'un substrat et d'une enzyme, laquelle enzyme est adaptée pour agir sur le substrat, à son contact, et en modifier la conductivité en fonction de la durée et de la température. L'unité est un élément intégrant du circuit électrique, lequel peut être activé par application d'un champ électrique et/ou d'un champ magnétique produisant un signal mesurable tributaire de la résistance totale du circuit. L'invention concerne en outre l'utilisation dudit biocapteur, une étiquette munie du biocapteur et un procédé pour indiquer l'état d'un produit muni du biocapteur.

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