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Electronic methods for the detection of analytes

  • US 7,713,711 B2
  • Filed: 10/30/2007
  • Issued: 05/11/2010
  • Est. Priority Date: 06/12/1997
  • Status: Expired due to Fees
First Claim
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1. An apparatus for the detection of a non-nucleic acid target analyte in a test sample, comprising:

  • a) a test chamber comprising gold electrodes, each electrode comprises;

    a covalently attached passivation species comprising a protein binding ligand;

    wherein said protein binding ligand is covalently attached to said electrode via a spacer,wherein said spacer is attached to said electrode with more than one sulfur moiety, andwherein said test chamber further comprises at least one second measuring electrode,b) a voltage source electrically connected to said test chamber; and

    c) an electronic detector.

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