5 March 2007 Autofluorescence spectroscopy for noninvasive skin phototypes differentiation
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Proceedings Volume 6604, 14th International School on Quantum Electronics: Laser Physics and Applications; 660429 (2007) https://doi.org/10.1117/12.727715
Event: 14th International School on Quantum Electronics: Laser Physics and Applications, 2006, Sunny Beach, Bulgaria
Abstract
In this study are presented some initial results using LEDs as excitation sources for the needs of fluorescence spectroscopy of the skin, which are compared with the results obtained by nitrogen laser used as excitation source for cutaneous fluorescence. The main studies are made by developed in IE-BAS experimental fibro-optic system for fluorescence spectroscopy. Several volunteers, representative of each skin phototype typical for Bulgarian region, namely--phototypes I, II and III were investigated by the methods of fluorescence spectroscopy of the human skin on several anatomic sites, typical for this type of measurements--palm, medial part of the forearm and lateral part of the forearm. Fluorescence maxima detected are addressed to the typical fluorophores existing in the cutaneous tissues. Influence of main skin absorbers, namely melanin and hemoglobin, is also discussed and their impact on the fluorescence signals received from different anatomical areas and skin phototypes is determined.
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I. Bliznakova, E. Borisova, P. Troyanova, N. Momchilov, L. Avramov, "Autofluorescence spectroscopy for noninvasive skin phototypes differentiation", Proc. SPIE 6604, 14th International School on Quantum Electronics: Laser Physics and Applications, 660429 (5 March 2007); doi: 10.1117/12.727715; https://doi.org/10.1117/12.727715
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