Electrodes, methods, apparatuses comprising micro-electrode arrays

  • US 20030155237A1
  • Filed: 10/04/2002
  • Published: 08/21/2003
  • Est. Priority Date: 11/16/2001
  • Status: Active Grant
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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