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Systems to view and analyze the results from diffraction-based diagnostics

  • US 7,102,752 B2
  • Filed: 12/11/2001
  • Issued: 09/05/2006
  • Est. Priority Date: 12/11/2001
  • Status: Expired due to Fees
First Claim
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1. A system for detecting an analyte in a sample comprising:

  • a diffraction-based sensing device comprising a substrate, wherein the substrate comprises a polymer film; and

    an analyzer comprising;

    a light source for supplying light to the diffraction-based device, wherein the diffraction-based sensing device diffracts light when the analyte is present and does not diffract light when the analyte is not present, the diffracted light comprising light transmitted through or reflected from the substrate;

    means for measuring an intensity of diffracted light and an intensity of non-diffracted light;

    means for converting the measured intensity of diffracted light and non-diffracted light to a result indicating whether an analyte is present in a sample; and

    means for informing a user whether the analyte is present in the sample.

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