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Subcutaneous glucose electrode

  • US 8,414,749 B2
  • Filed: 11/12/2008
  • Issued: 04/09/2013
  • Est. Priority Date: 03/04/1991
  • Status: Expired due to Fees
First Claim
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1. An analyte sensor comprising:

  • one or more working electrodes;

    an analyte-responsive sensing layer associated with and in electrical contact with the one or more working electrodes, the sensing layer comprising an enzyme and a polymer selected from the group consisting of poly(vinylimidazole) and poly(vinyl pyridine); and

    a polymeric diffusion-limiting layer disposed on and bound to the analyte-responsive sensing layer,wherein at least a portion of the sensor is subcutaneously positioned in a subject.

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