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Optical-based sensing devices

  • US 20060231749A1
  • Filed: 04/15/2005
  • Published: 10/19/2006
  • Est. Priority Date: 04/15/2005
  • Status: Active Grant
First Claim
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1. An electro-optical sensing device for detecting the presence or concentration of an analyte, comprising:

  • a housing having an outer surface;

    a plurality of indicator molecules located on at least a portion of the outer surface of the housing;

    a circuit board housed within the housing;

    a support member having a side that lies on a plane that is substantially perpendicular to a plane on which a top side of the circuit board lies;

    a radiation source attached to said side of the support member and positioned a distance above the top side of the circuit board; and

    a photodetector connected to the circuit board for detecting a response of the indicator molecules.

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