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Multilayer enzyme electrode membranes and methods of making same

  • US 5,696,314 A
  • Filed: 07/12/1996
  • Issued: 12/09/1997
  • Est. Priority Date: 07/12/1996
  • Status: Expired due to Term
First Claim
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1. A sensor for measuring a concentration of an analyte in a solution, the sensor comprising:

  • a substrate layer formed from an electrically insulating material;

    an electrode layer formed from an electrically conductive material, the electrode layer being disposed over and supported by the substrate layer;

    an immobilized enzyme layer including an enzyme immobilized in a support member, the immobilized enzyme layer being disposed over and supported by the electrode layer;

    a microporous layer formed from a polymer powder, a mineral powder and a polymer binder, the microporous layer being disposed over and supported by the immobilized enzyme and substrate layers.

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