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Test-sensor production monitoring using XRF spectrometry

  • US 8,005,188 B2
  • Filed: 04/05/2007
  • Issued: 08/23/2011
  • Est. Priority Date: 04/11/2006
  • Status: Active Grant
First Claim
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1. A method for on-line monitoring of test sensors using x-ray fluorescence (XRF) spectrometry, the method comprising:

  • providing a test sensor comprising a reagent, the reagent including an enzyme and a mediator, the mediator including metal;

    monitoring an amount of metal in the mediator of the reagent of the test sensor using XRF spectrometry; and

    determining from the amount of metal an amount of the reagent on the test sensor.

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