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Method of Reducing the Effect of Direct Interference Current in an Electrochemical Test Strip

  • US 20070276621A1
  • Filed: 10/29/2004
  • Published: 11/29/2007
  • Est. Priority Date: 10/31/2003
  • Status: Active Grant
First Claim
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1. A method of reducing interferences in an electrochemical sensor comprising:

  • measuring a first current at a first working electrode, said first working electrode being covered by a reagent layer, measuring a second current at a second working electrode, wherein said reagent layer partially covers said second working electrode, said second working electrode having a covered area and an uncovered area; and

    calculating a corrected current value representative of a glucose concentration using a ratio of said covered area to said uncovered area of said second working electrode.

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