ELECTRODE SYSTEM FOR MEASURING AN ANALYTE CONCENTRATION UNDER IN-VIVO CONDITIONS
First Claim
1. Electrode system for measuring the concentration of an analyte under in-vivo conditions, comprising:
- a counter-electrode having an electrical conductor;
a working electrode having an electrical conductor on which an enzyme layer containing immobilized enzyme molecules for catalytic conversion of the analyte is arranged, and a diffusion barrier that slows the diffusion of the analyte from body fluid surrounding the electrode system to the enzyme molecules, wherein the enzyme layer is in the form of multiple fields that are arranged on the conductor of the working electrode at a distance from each other.
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Abstract
An electrode system for measuring the concentration of an analyte under in-vivo conditions comprises a counter-electrode having an electrical conductor, a working electrode having an electrical conductor on which an enzyme layer containing immobilized enzyme molecules for catalytic conversion of the analyte is arranged, and a diffusion barrier that slows the diffusion of the analyte from body fluid surrounding the electrode system to enzyme molecules. The enzyme layer is in the form of multiple fields that are arranged on the conductor of the working electrode at a distance from each other.
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Citations
17 Claims
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1. Electrode system for measuring the concentration of an analyte under in-vivo conditions, comprising:
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a counter-electrode having an electrical conductor; a working electrode having an electrical conductor on which an enzyme layer containing immobilized enzyme molecules for catalytic conversion of the analyte is arranged, and a diffusion barrier that slows the diffusion of the analyte from body fluid surrounding the electrode system to the enzyme molecules, wherein the enzyme layer is in the form of multiple fields that are arranged on the conductor of the working electrode at a distance from each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. Sensor comprising:
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an electrode system comprising; a counter-electrode having an electrical conductor; a working electrode having an electrical conductor on which an enzyme layer containing immobilized enzyme molecules for catalytic conversion of the analyte is arranged, and a diffusion barrier that slows the diffusion of the analyte from body fluid surrounding the electrode system to the enzyme molecules, wherein the enzyme layer is in the form of multiple fields that are arranged on the conductor of the working electrode at a distance from each other; a potentiostat connected to the electrode system; and an amplifier for amplification of measuring signals of the electrode system. - View Dependent Claims (17)
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Specification