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Proceedings Paper

Fluorescence dynamics of human epidermis (ex vivo) and skin (in vivo)
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Paper Abstract

The temporal behavior of autofluorescence of human skin and epidermis under continuous UV-irradiation has been studied. Fluorescence spectra and kinetic curves of fluorescence intensity have been obtained. The fluorescence intensity recovery after dark period also has been examined. The vitiligo skin and epidermis were used for comparing their spectra with reflectance and fluorescence spectra of healthy skin. The epidermal samples were prepared using surface epidermis stripping technique. It has been concluded that fluorophores being undergone the UVA photobleaching are actually present in epidermal layer, and immediate pigment darkening does contribute, no less than a half of magnitude, to the autofluorescence decrease under continuous UVA irradiation.

Paper Details

Date Published: 13 October 2003
PDF: 6 pages
Proc. SPIE 5068, Saratov Fall Meeting 2002: Optical Technologies in Biophysics and Medicine IV, (13 October 2003); doi: 10.1117/12.518859
Show Author Affiliations
Elena Vladimirovna Salomatina, Saratov State Univ. (Russia)
Alexander B. Pravdin, Saratov State Univ. (Russia)

Published in SPIE Proceedings Vol. 5068:
Saratov Fall Meeting 2002: Optical Technologies in Biophysics and Medicine IV
Valery V. Tuchin, Editor(s)

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