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Method of differentiating between blood and control solutions containing a common analyte

  • US 8,681,324 B2
  • Filed: 03/06/2013
  • Issued: 03/25/2014
  • Est. Priority Date: 12/13/2004
  • Status: Expired due to Fees
First Claim
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1. A method of distinguishing between measurements in an optical instrument of at least one analyte in a biological sample and the at least one analyte in a control solution used to test the performance of the optical instrument, the method comprising the act of adding to the control solution a labeling substance recognized by the optical instrument, wherein the labeling substance has a peak absorbance of light that is distinguishable from the absorbance of an indicator used to measure the amount of the at least one analyte present in the biological sample.

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