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Method for distinguishing electrochemical sensors

  • US 8,480,868 B2
  • Filed: 05/24/2012
  • Issued: 07/09/2013
  • Est. Priority Date: 08/05/2005
  • Status: Active Grant
First Claim
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1. A method of determining a type of electrochemical test sensor used with an instrument configured to be used in determining at least one analyte concentration in a fluid sample, the method comprising the acts of:

  • forming an electrical connection between an electrochemical test sensor and the instrument, the electrochemical test sensor including an enzyme and a chemical marker;

    applying a potential having a magnitude sufficient to initiate a redox reaction of the chemical marker and insufficient to determine the at least one analyte concentration, the potential being applied by the instrument; and

    determining the type of electrochemical test sensor based on a predetermined amount of current generated in response to the potential being applied.

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