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Membrane based electrochemical test device and related methods

  • US 6,245,215 B1
  • Filed: 09/22/1999
  • Issued: 06/12/2001
  • Est. Priority Date: 09/30/1998
  • Status: Expired due to Fees
First Claim
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1. An electrochemical test device for determining the presence or concentration of an analyte in an aqueous fluid sample, said electrochemical test device comprising:

  • a working electrode comprising an amorphous semiconductor material;

    an opposing electrode comprising an amorphous semiconductor material; and

    a reagent capable of reacting with the analyte to produce a measurable change in potential which can be correlated to the concentration of the analyte in the fluid sample, said reagent located between the working electrode and the opposing electrode.

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