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Biosensor

  • US 7,060,168 B2
  • Filed: 04/23/2003
  • Issued: 06/13/2006
  • Est. Priority Date: 12/27/1999
  • Status: Expired due to Fees
First Claim
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1. A biosensor comprising:

  • an electrode system including a first electrode and a second electrode, for forming an electrochemical measurement system by coming in contact with a supplied sample solution;

    an electrically insulating supporting member for supporting said electrode system;

    a first reagent layer formed on said first electrode; and

    a second reagent layer formed on said second electrode,wherein said first reagent layer comprises an enzyme as the main component, and said second reagent layer comprises an electron mediator as the main component, andwherein said supporting member comprises an electrically insulating base plate and an electrically insulating cover member for forming a sample solution supply pathway or a sample solution storage section between said cover member and said base plate,one of said first electrode and said second electrode is formed on said base plate, andthe other one of said first electrode and said second electrode is formed on an inner surface of said cover member so as to face said one of said first electrode and said second electrode.

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