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Apparatus and methods for multi-analyte homogeneous fluoro-immunoassays

  • US 6,979,567 B2
  • Filed: 11/13/2001
  • Issued: 12/27/2005
  • Est. Priority Date: 05/18/1993
  • Status: Expired due to Fees
First Claim
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1. An assay system, comprising:

  • a receptor for receiving a sample solution that may include at least one selected analyte;

    a reaction zone comprising at least a portion of said receptor or in fluid communication with said receptor, said reaction zone including at least one reagent configured to produce a reaction mixture with said sample solution;

    at least one detection zone in fluid communication with said reaction zone and configured to receive at least a portion of said reaction mixture transported from said reaction zone, said at least one detection zone is carried upon a surface of at least a portion of a waveguide; and

    a detector oriented to receive signals from said at least one detection zone and configured to sense a physically detectable change in said at least one detection zone, said physically detectable change correlating with at least one of an absence, a presence, and an amount of said at least one selected analyte in said sample solution, said detector configured to generate a signal correlating with at least one of said absence, said presence, and said amount.

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