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Biosensor

  • US 20040082045A1
  • Filed: 09/02/2003
  • Published: 04/29/2004
  • Est. Priority Date: 11/14/2001
  • Status: Active Grant
First Claim
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1. A biosensor comprising an insulating base plate, an electrode system including a measuring electrode and a counter electrode provided on said base plate, a cover for covering said insulating base plate, at least one reaction layer containing oxidoreductase and/or an electron mediator, a sample solution supply pathway which is formed by said insulating base plate and said cover and includes said electrode system and said reaction layer, a first air aperture provided in said cover in said sample solution supply pathway, a sample solution supply part and a filter provided between said sample solution supply pathway and said sample solution supply part to filter hemocytes, said biosensor being capable of sucking plasma with hemocytes therein filtered with said filter into said sample solution supply pathway due to capillarity, characterized in that a second air aperture is provided in said insulating base plate in said sample solution supply pathway.

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