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Journal of Biomedical Optics

Wavelength-dependent penetration depths of ultraviolet radiation in human skin
Author(s): Merve Meinhardt; Ronald Krebs; Angelika Anders; Ulrike Heinrich; Hagen Tronnier
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Paper Abstract

The wavelength-dependent penetration depth of ultraviolet radiation in human skin is a fundamental parameter for the estimation of the possible photobiological impact of ultraviolet (UV) radiation. We have determined the absorption spectra of human skin in vivo in the wavelength range from 290 to 341 nm in 3-nm steps using laser optoacoustics and calculated the respective penetration depths. Data were analyzed with respect to different skin regions and skin phototype of the 20 subjects in the study (phototype I: n=3; II: n=7; III: n=5; IV: n=5), revealing large variability between individuals. The penetration depth of UV radiation in human skin is highly dependent on wavelength and skin area, but no significant dependence on skin phototype could be found.

Paper Details

Date Published: 1 July 2008
PDF: 5 pages
J. Biomed. Opt. 13(4) 044030 doi: 10.1117/1.2957970
Published in: Journal of Biomedical Optics Volume 13, Issue 4
Show Author Affiliations
Merve Meinhardt, Leibniz Univ. Hannover (Germany)
Ronald Krebs, Leibniz Univ. Hannover (Germany)
Angelika Anders, Leibniz Univ. Hannover (Germany)
Ulrike Heinrich, Univ. Witten-Herdecke (Germany)
Hagen Tronnier, Univ. Witten-Herdecke (Germany)

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