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System and method for analyte measurement using AC excitation

  • US 20040157339A1
  • Filed: 10/17/2003
  • Published: 08/12/2004
  • Est. Priority Date: 12/22/1997
  • Status: Active Grant
First Claim
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1. A method for determining a concentration of a medically significant component of a biological fluid, comprising the:

  • a) applying a first signal having an AC component to the biological fluid;

    b) measuring a first response to the first signal;

    c) applying a second signal to the biological fluid, wherein the second signal is a DC signal;

    d) measuring a second response to the second signal; and

    e) combining the first response with the second response to produce an indication of the concentration of the medically significant component.

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