Biosensor, iontophoretic sampling system, and methods of use thereof
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United States of America Patent
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May 18, 2004
Grant Date -
Jul 17, 2003
app pub date -
Jan 29, 2003
filing date -
Mar 13, 1998
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Abstract
The present invention relates generally to a sensor for use in monitoring the amount or concentration of target chemical analytes present in a biological system. For example, the invention relates to a sensor for measuring the amount or concentration of one or more analytes in a transdermally extracted sample. In one embodiment, the invention includes a sensor element comprising, a sensing electrode that reacts electrochemically with hydrogen peroxide to provide a detectable signal, wherein the sensing electrode comprises a platinum-group metal.
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