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Glucose biosensor with improved shelf life

  • US 20130098775A1
  • Filed: 10/20/2011
  • Published: 04/25/2013
  • Est. Priority Date: 10/20/2011
  • Status: Abandoned Application
First Claim
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1. A disposable biosensor having improved long term storage stability, the biosensor comprising:

  • a working electrode and a reference electrode formed on an insulating substrate; and

    a dissolvable reagent layer composition disposed directly on the working electrode wherein the reagent layer composition contains a glucose-based enzyme, a tris reagent selected from the group consisting of an acid of tris(hydroxymethyl)aminomethane and salts thereof, and a redox mediator.

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