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Self-encoding sensor with microspheres

  • US 7,754,498 B2
  • Filed: 01/21/2005
  • Issued: 07/13/2010
  • Est. Priority Date: 10/06/1997
  • Status: Expired due to Fees
First Claim
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1. A method of detecting a plurality of analytes, said method comprising:

  • (a) providing an array comprising a population of sensor elements at a density of at least 20,000 sensor elements per 1 mm2, said population of sensor elements comprising different subpopulations of redundant sensor elements;

    (b) contacting said array with a sample comprising a plurality of analytes under conditions wherein said analytes bind to said sensor elements, thereby producing signals at separate sensor elements;

    (c) detecting the signals at the separate sensor elements in said subpopulations of redundant sensor elements; and

    (d) combining the signals detected at the separate redundant sensor elements so as to produce an amplified signal indicative of said analytes.

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