Biosensor and methods of use thereof

  • US 20050027179A1
  • Filed: 09/08/2004
  • Published: 02/03/2005
  • Est. Priority Date: 03/13/1998
  • Status: Active Grant
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First Claim
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1. A sensor element comprising a sensing electrode that reacts electrochemically with hydrogen peroxide to provide a detectable signal, the sensing electrode comprising platinum, graphite, a polymer matrix, and a geometric surface area that ranges from about 0.1 to about 3 cm2, wherein the electrode is affixed to a non-conductive surface, has a background current that ranges from about 2 to about 60 nA or less when measured in a buffer solution at an applied potential of 0.6V, and has a sensitivity of at least about 6 to about 180 nA/μ

  • M of hydrogen peroxide when measured in a buffer solution at an applied potential of 0.6V.

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