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Apparatus and method of monitoring an analyte

  • US 20030003593A1
  • Filed: 08/05/2002
  • Published: 01/02/2003
  • Est. Priority Date: 01/31/2001
  • Status: Active Grant
First Claim
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1. A method of detecting an analyte comprising:

  • contacting a detector with a food product, body fluid or tissue, the detector including;

    a carrier;

    an analyte-sensing composition including an indicator dye, a buffer, and an osmotic control agent, the analyte-sensing composition being contained by the carrier;

    a hydrophobic barrier on one surface of the carrier, the hydrophobic barrier being arranged to contact the food product, body fluid or tissue, and an outer barrier covering a surface of the carrier opposite the hydrophobic barrier; and

    monitoring the detector for a change in visible color intensity or emission intensity from the indicator dye which indicates the presence of the analyte.

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