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Target analyte sensors utilizing microspheres

  • US 10,241,026 B2
  • Filed: 12/22/2017
  • Issued: 03/26/2019
  • Est. Priority Date: 03/14/1997
  • Status: Expired due to Term
First Claim
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1. A composition comprising:

  • a) a substrate with a surface comprising discrete sites wherein said substrate is not a fiber optic bundle; and

    b) a population of microspheres comprising first and second subpopulations, wherein said first subpopulation comprises a first bioactive agent and a first encoding parameter capable of identifying said first bioactive agent and said second subpopulation comprises a second bioactive agent and a second encoding parameter capable of identifying said second bioactive agent, wherein said first and second bioactive agents are different, and wherein said microspheres are present in a random pattern on said substrate such that said sites contain not more than one microsphere.

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