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J Biomed Opt. 2004 Mar-Apr;9(2):404-7.

Metabolic imaging of tissues by infrared fiber-optic spectroscopy: an efficient tool for medical diagnosis.

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  • 1Universite de Rennes I, Laboratoire des Verres et Ceramiques, Avenue du General Leclerc, Campus de Beaulieu, 35042 Rennes Cedex, France.


Infrared fingerprints of molecules in biology contain much information on cells metabolism allowing one to distinguish between healthy and altered tissues. Here, to collect infrared signatures, we used evanescent wave spectroscopy based on an original infrared transmitting tapered glass fiber. A strict control of the fiber diameter in the tapered sensing zone allows high sensitivity and wide spectral range exploration from 800 to 3000 cm(-1). Then, merely in depositing the mouse liver biopsies on the fiber, this device has enable us to differentiate between tumorous and healthy tissues.

(c) 2004 Society of Photo-Optical Instrumentation Engineers.

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