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Method for determining analyte concentration using periodic temperature modulation and phase detection

  • US 6,161,028 A
  • Filed: 03/10/1999
  • Issued: 12/12/2000
  • Est. Priority Date: 03/10/1999
  • Status: Expired due to Fees
First Claim
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1. A method of analyzing a test sample, comprising the steps of:

  • a) providing a test sample;

    b) inducing a thermal gradient in said test sample;

    c) responsive to said inducing step, measuring a reference signal emitted by said sample;

    d) further responsive to said inducing step, measuring an analytical signal emitted by said sample;

    e) comparing said reference and analytical signals to determine phase difference information between said reference and analytical signals to determine parameter information; and

    f) transmitting said parameter information, as an electrical signal for processing.

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