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ELECTROCHEMICAL BIOSENSOR WITH SAMPLE INTRODUCTION CHANNEL CAPABLE OF UNIFORM INTRODUCTION OF SMALL AMOUNT OF SAMPLE

  • US 20110011739A1
  • Filed: 10/24/2008
  • Published: 01/20/2011
  • Est. Priority Date: 10/29/2007
  • Status: Active Grant
First Claim
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1. An electrochemical biosensor, comprising:

  • a lower plate, upon which is constructed a working electrode coated with a reagent layer containing an electron transfer mediator and a redox enzyme, and a reference electrode;

    a middle plate having a precut pattern of sample introduction channel composed of a sample entrance, a sample passage and an air vent; and

    an upper plate or a cover that forms the sample cell structure,wherein a hydrophobic sample collection barrier formed by an insulator between the lower and middle plates is provided.

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