Electrodes, methods, apparatuses comprising micro-electrode arrays
First Claim
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1. An electrochemical sensor for detection of an analyte in a test sample, said sensor comprising:
- a substrate having a working electrode and a counter electrode formed thereon;
a chemical coating deposited into a chamber formed on the substrate over the working and counter electrodes;
said chemical coating comprising an enzyme and a mediator in a matrix, wherein said sensor provides an accurate reading of the amount of analyte in the test sample within 10 seconds or less after deposition of the test sample to the chamber.
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Abstract
Described are micro-arrays of electrodes disposed proximal to a flexible substrate, electronic components and sensors comprising such arrays, and methods of use for such arrays.
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Citations
24 Claims
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1. An electrochemical sensor for detection of an analyte in a test sample, said sensor comprising:
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a substrate having a working electrode and a counter electrode formed thereon;
a chemical coating deposited into a chamber formed on the substrate over the working and counter electrodes;
said chemical coating comprising an enzyme and a mediator in a matrix, wherein said sensor provides an accurate reading of the amount of analyte in the test sample within 10 seconds or less after deposition of the test sample to the chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method of evaluating the concentration of an analyte in a test sample, said method comprising:
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supplying a test sample containing the analyte to a chamber on a sensor, said sensor comprising a working electrode, a counter electrode, and a chemical coating deposited therein, said chemical coating including an enzyme and a mediator;
applying a voltage potential across the working electrode and the counter electrode, measuring a stable current generated at the working electrode within 10 seconds or less after said depositing. - View Dependent Claims (24)
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Specification