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Method for measuring the concentration of a substance in a living body and device for measuring the same concentration

  • US 20050013779A1
  • Filed: 06/03/2004
  • Published: 01/20/2005
  • Est. Priority Date: 06/06/2003
  • Status: Active Grant
First Claim
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1. A method for measuring a concentration of a substance in a living body, comprising the steps of:

  • injecting a fluorescence indicator into a given living body, irradiating and reflecting an excitation light to and from said living body to obtain a reflected light, and detecting a fluorescence response originated from a chemical bond between said florescence indicator and a substance to be measured in concentration and contained in said reflected light to measure a concentration of said substance in said living body, wherein said fluorescence response contained in said reflected light is detected in an injecting direction of said fluorescence indicator.

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