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Microfluidic systems in the electrochemical detection of target analytes

  • US 6,942,771 B1
  • Filed: 04/21/1999
  • Issued: 09/13/2005
  • Est. Priority Date: 04/21/1999
  • Status: Expired due to Term
First Claim
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1. A microfluidic device for the detection of a target analyte in a fluid sample comprising:

  • a) a solid support member;

    b) a sample handling module including a sample handling well formed in said support member to receive and store said sample;

    c) a sample inlet port to said microfluidic device;

    d) a first microchannel formed in said support member coupled to and extending between said sample handling well and said sample inlet port;

    e) a detection well formed in said support member and a detection electrode positioned in said detection well, said detection electrode being provided with a self-assembled monolayer; and

    a binding ligand; and

    , f) a second microchannel formed in said support member and extending between said sample handling well and said detection well for the flow of said fluid sample there between.

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