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Nano-porous membrane based sensors

  • US 9,222,907 B2
  • Filed: 04/02/2013
  • Issued: 12/29/2015
  • Est. Priority Date: 12/02/2005
  • Status: Expired due to Fees
First Claim
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1. A sensor, comprising:

  • a solid substrate having a top surface;

    a nano-porous membrane situated at the top surface of the solid substrate, the membrane including a plurality of nano-pores that do not extend through the nano-porous membrane, the membrane including a first sensitizing agent for detection of a target compound, the first sensitizing agent being immobilized within a first set of nano-pores, thereby defining a sensitized portion of the membrane;

    a first conductor electrically coupled to the first sensitizing agent immobilized in the first set of nano-pores defined in the membrane, the first conductor situated on the top surface of the solid substrate and in contact with the sensitized portion of the membrane, the first conductor outputting an electrical signal associated with detection of the target compound; and

    an electrical signal detector for receiving the electrical signal to allow evaluation of the electrical signal following administration of a test specimen to the sensor.

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