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Biosensor

  • US 6,258,254 B1
  • Filed: 07/27/1998
  • Issued: 07/10/2001
  • Est. Priority Date: 07/28/1997
  • Status: Expired due to Term
First Claim
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1. A method for measuring a component in whole blood comprising:

  • applying said whole blood to an electrode system, said electrode system including a working electrode and a counter electrode formed on an electrically insulating base plate, applying a voltage to said working electrode, and allowing said component in said whole blood to react with a reaction layer, said reaction layer containing at least an oxidoreductase and an electron acceptor, wherein said electron acceptor is a sodium salt, and wherein said sodium salt facilitates measurement of said component in said whole blood without adversely affecting erythrocytes in said whole blood.

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