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Enzymatic biosensing systems

  • US 9,493,806 B2
  • Filed: 07/31/2012
  • Issued: 11/15/2016
  • Est. Priority Date: 06/01/2001
  • Status: Active Grant
First Claim
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1. A biosensor for measuring the concentration of a molecule in a solution comprising:

  • a fiber optical cable having a first end and a second end, anda transducer layer comprising an optical transducer capable of interacting with oxygen, protons, or halide ions, the transducer layer having a first side and a second side, anda matrix layer comprising a hydrogel or polymer matrix having a first side and a second side, anda biocomponent immobilized within said matrix layer,wherein said first end of said fiber optical cable is bound to said second side of said transducer layer, andwherein said first side of said transducer layer is bound to said second side of said matrix layer, andwherein said first side of said matrix layer is in contact with said solution, andwherein said second end of said fiber optical cable is coupled to an optical excitation source, a photon detection device, an electronic amplification device, signal processing circuitry and a signal output device.

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