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Temperature-independent chemical and biological sensors

  • US 8,542,024 B2
  • Filed: 12/23/2010
  • Issued: 09/24/2013
  • Est. Priority Date: 12/23/2010
  • Status: Active Grant
First Claim
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1. A sensor, comprising:

  • a single resonant inductor-capacitor-resistor (LCR) circuit; and

    a sensing material disposed over a sensing region, wherein the sensing region comprises at least a portion of the single LCR circuit, and wherein temperature-dependent response coefficients of inductance L, capacitance C, and resistance R properties of the single LCR circuit and the sensing material are at least approximately 5 percent different from one another, and wherein the difference in the temperature-dependent response coefficients of the properties of the single LCR circuit and the sensing material enables the sensor to selectively detect analyte fluids from an analyzed fluid mixture substantially independent of temperature.

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