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Proceedings Paper

In-vivo remission spectroscopy on tattoos and topically applied photosensitizers in man
Author(s): Karsten Koenig; Gerd C. Beck; Wolf-Henning Boehncke; Roland Kaufmann; Raimund Hibst
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Paper Abstract

In-vivo remission spectra of the human skin in the spectral region of 400 nm to 800 nm were recorded using a xenon lamp as an excitation source, a fiberoptical sensor combined with a polychromator, and a multichannel analyzer. The remission of amateur tattoos before and after laser treatment (Q-switched Nd:YAG) was measured and the degree of blanching determined. It was found that the process of blanching proceeds partly reversible. In another study, the time-dependent remission of human skin after topical administration of the photosensitizer Methylene Blue was studied. The additional application of the ceratolytic agent urea promotes the penetration of the thiazine dye. The experimental data were analyzed by the Kubelka Munk theory.

Paper Details

Date Published: 15 February 1994
PDF: 9 pages
Proc. SPIE 2086, Medical Applications of Lasers, (15 February 1994); doi: 10.1117/12.169141
Show Author Affiliations
Karsten Koenig, Institute for Lasertechnology in Medicine (Germany)
Gerd C. Beck, Univ. Ulm (Germany)
Wolf-Henning Boehncke, Univ. Ulm (Germany)
Roland Kaufmann, Univ. Ulm (Germany)
Raimund Hibst, Univ. Ulm (Germany)


Published in SPIE Proceedings Vol. 2086:
Medical Applications of Lasers
Kazuhiko Atsumi; Cornelius Borst; Frank W. Cross; Herbert J. Geschwind; Dieter Jocham; Jan Kvasnicka; Hans H. Scherer; Mario A. Trelles; Eberhard Unsoeld, Editor(s)

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