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Device for detecting an analyte in a sample based on organic materials

  • US 6,521,109 B1
  • Filed: 09/13/2000
  • Issued: 02/18/2003
  • Est. Priority Date: 09/13/1999
  • Status: Expired due to Term
First Claim
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1. A device for detecting an analyte in a sample comprising:

  • an active layer comprising a dielectric material, wherein said dielectric material is an inorganic containing material with a dielectric constant higher than 10;

    a source electrode and a drain electrode; and

    a semiconducting layer for providing a current pathway between said source electrode and said drain electrode, wherein said semiconducting layer consists essentially of an organic containing semiconducting material, wherein said dielectric material of said active layer is substantially in contact with said semiconducting layer, and wherein said active layer is arranged to contact said sample and to influence the conductance of said semiconducting layer when in contact with said sample containing said analyte.

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