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Optical fluorescence dual sensors and methods of preparing and using them

  • US 8,748,192 B2
  • Filed: 10/24/2012
  • Issued: 06/10/2014
  • Est. Priority Date: 10/25/2011
  • Status: Active Grant
First Claim
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1. An optical fluorescence dual sensor comprising:

  • (a) a probe for sensing pH;

    (b) a probe for sensing oxygen;

    (c) an intra-reference probe; and

    (d) a matrix;

    wherein the probe for sensing pH has formula I;

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