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Sensors for detecting analytes in fluids

  • US 5,911,872 A
  • Filed: 10/14/1997
  • Issued: 06/15/1999
  • Est. Priority Date: 08/14/1996
  • Status: Expired due to Term
First Claim
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1. An array of sensors for detecting an analyte in a fluid, wherein each of said sensors comprise a chemically sensitive resistor electrically connected to an electrical measuring apparatus and being in thermal communication with a temperature control apparatus, said chemically sensitive resistor comprising:

  • a plurality of alternating nonconductive regions comprising a nonconductive organic material and conductive regions comprising a conductive material compositionally different than said nonconductive organic material wherein said resistor provides;

    an electrical path through said alternating regions of nonconductive organic material and said conductive material; and

    an electrical resistance Rm at temperature Tm when contacted with a fluid comprising said analyte, where m is an integer greater than 1; and

    Rm in at least one resistor is different from Rm in at least one other resistor.

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