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Interference free biosensor

  • US 5,755,953 A
  • Filed: 12/18/1995
  • Issued: 05/26/1998
  • Est. Priority Date: 12/18/1995
  • Status: Expired due to Fees
First Claim
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1. A method of measuring an analyte of interest in a test sample, said method comprising the steps of (1) contacting the sample with fine particles of carbon selected from the group consisting of native carbon, derivatized carbon, and carbon-containing conductive compounds, said fine particles of carbon covalently linked to peroxidase to form a conjugate, wherein the conjugate of carbon and peroxidase is confined to an electrically conductive surface, and (2) detecting change in electrical signal as a quantitative or qualitative measure of the amount of analyte in the sample.

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