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Electrochemical test strip for reducing the effect of direct interference current

  • US 20050133368A1
  • Filed: 10/29/2004
  • Published: 06/23/2005
  • Est. Priority Date: 10/31/2003
  • Status: Abandoned Application
First Claim
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1. An electrochemical sensor comprising:

  • a substrate;

    a first working electrode disposed on said substrate;

    a second working electrode disposed on said substrate;

    a reference electrode; and

    a reagent layer disposed on said first working electrode, wherein said reagent layer completely covers said first working electrode;

    said second working electrode including a covered portion and an uncovered portion wherein said covered portion of said second working electrode is covered by said reagent layer.

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