Glucose level measuring method and glucose sensor utilizing glucose dehydrogenase
First Claim
1. A glucose level measuring method using glucose dehydrogenase for measuring glucose level by utilizing a reaction system containing an enzyme and an electron carrier,wherein the enzyme is glucose dehydrogenase derived from a microorganism belonging to burkholderia genus;
- andwherein the electron carrier is a Ru compound represented by a chemical formula as follows;
[Ru(NH3)5X]n+where X represents NH3, halogen ion, CN, pyridine, nicotinamide or H2O, and n+ represents a valency of the Ru complex, which is determined by X;
the method comprising;
causing the glucose dehydrogenase to oxidize the glucose while reducing the Ru compound, for producing a response; and
computing the glucose level based on the response.
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Abstract
The present invention relates to a technique for measuring a glucose level by utilizing a reaction system containing an enzyme and an electron carrier. In accordance with the glucose level measuring method of the present invention, glucose dehydrogenase with cytochrome C attached thereto or glucose dehydrogenase derived from a microorganism belonging to a burkholderia genus is used as the enzyme, and a Ru compound is used as the electron carrier. The present invention further provides a glucose sensor in which glucose dehydrogenase with cytochrome C attached thereto or glucose dehydrogenase derived from derived from a microorganism belonging to a burkholderia genus is used as the enzyme, and a Ru compound is used as the electron carrier.
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Citations
4 Claims
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1. A glucose level measuring method using glucose dehydrogenase for measuring glucose level by utilizing a reaction system containing an enzyme and an electron carrier,
wherein the enzyme is glucose dehydrogenase derived from a microorganism belonging to burkholderia genus; - and
wherein the electron carrier is a Ru compound represented by a chemical formula as follows;
[Ru(NH3)5X]n+where X represents NH3, halogen ion, CN, pyridine, nicotinamide or H2O, and n+ represents a valency of the Ru complex, which is determined by X; the method comprising; causing the glucose dehydrogenase to oxidize the glucose while reducing the Ru compound, for producing a response; and computing the glucose level based on the response. - View Dependent Claims (2, 3, 4)
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Specification