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Devices and methods for fluorescent inspection and/or removal of material in a sample

  • US 8,140,141 B2
  • Filed: 05/17/2006
  • Issued: 03/20/2012
  • Est. Priority Date: 05/17/2006
  • Status: Expired due to Fees
First Claim
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1. An apparatus for detecting light-emitting material in a sample comprising:

  • a light-emitting component;

    a light-detecting component for detecting fluorescence, phosphorescence or luminescence in the sample;

    a lock-in amplifier;

    a frequency generator operatively coupled to the lock-in amplifier and the light-emitting component;

    a driver controlled by the frequency generator and operatively coupled to the light-emitting component, wherein the driver is configured to control flow of electrical power to the light-emitting component;

    a sound transducer that is capable of emitting a humanly detectable signal wherein the signal varies with magnitude of detected fluorescence, phosphorescence or luminescence in the sample; and

    a visible output of relative fluorescent intensity where the visible output varies with the magnitude of the detected fluorescence, phosphorescence or luminescence in the sample.

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