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Detection of target analytes using particles and electrodes

  • US 8,501,921 B2
  • Filed: 10/31/2007
  • Issued: 08/06/2013
  • Est. Priority Date: 10/27/1998
  • Status: Expired due to Term
First Claim
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1. A composition comprising:

  • a) a magnetic particle comprising a first binding ligand that specifically binds a target analyte; and

    b) a colloidal particle comprising;

    i) a second binding ligand that specifically binds said target analyte; and

    ii) a third binding ligand different from said second binding ligand,wherein said first and second binding ligands are antibodies, and said third binding ligand is a nucleic acid.

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