Biosensor
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Accused Products
Abstract
In a biosensor for measuring a specific substance in a liquid sample, one or a combination of sugar alcohol, metallic salt, organic acid or organic acid salt which has at least one carboxyl group in a molecule, and organic acid or organic acid salt which has at least one carboxyl group and one amino group in a molecule, is included in a reagent layer provided on electrodes, thereby providing a highly-accurate biosensor which is excellent in stability and has high response (sensitivity, linearity) of the sensor to the substrate concentration.
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Citations
40 Claims
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1-24. -24. (canceled)
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25. A biosensor for measuring the concentration of a specific substance in a sample solution, the biosensor comprising
electrodes comprising at least a working electrode and a counter electrode provided on an insulating support; - and
a reagent layer which reacts with the specific substance in the sample solution; wherein the reagent layer comprises an enzyme, an electron transfer agent, and an organic acid or organic acid salt which has at least one carboxyl group, and the organic acid is aliphatic carboxylic acid, carbocyclic carboxylic acid, heterocyclic carboxylic acid, or a substitution product or derivative of the organic acid. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
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33. A biosensor for measuring the concentration of a specific substance in a sample solution, the biosensor comprising
electrodes comprising at least a working electrode and a counter electrode provided on an insulating support; - and
a reagent layer which reacts with the specific substance in the sample solution; wherein the reagent layer includes an enzyme, an electron transfer agent, and an organic acid or organic acid salt which has at least one carboxyl group and one amino group, and the organic acid is an amino acid, or a substitution product or derivative of an amino acid. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40)
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Specification