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Proceedings Paper

4D confocal microscopy method for drug localization in the skin
Author(s): Ulf Maeder; Thorsten Bergmann; Jan Michael Burg; Sebastian Beer; Peggy Schlupp; Thomas Schmidts; Johannes T. Heverhagen; Frank Runkel; Martin Fiebich
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Paper Abstract

A 4D confocal microscopy (xyzλ) method for measuring the drug distribution in skin samples after a permeation study is investigated. This approach can be applied to compare different drug carrier systems in pharmaceutical research studies. For the development of this detection scheme phantom permeation studies and preliminary skin measurements are carried out. The phantom studies are used to detect the permeation depth and the localization of the external applied fluorescent dye naphthofluorescein that is used as a model agent. The skin study shows the feasibility of the method for real tissue. For the differentiation of tissue/phantom and the dye, spectral unmixing is performed using the spectral information detected by a confocal microscope. The results show that it is possible to identify and localize external dyes in the phantoms as well as in the skin samples.

Paper Details

Date Published: 9 June 2011
PDF: 6 pages
Proc. SPIE 8086, Advanced Microscopy Techniques II, 80861A (9 June 2011); doi: 10.1117/12.889497
Show Author Affiliations
Ulf Maeder, Technische Hochschule Mittelhessen (Germany)
Thorsten Bergmann, Technische Hochschule Mittelhessen (Germany)
Jan Michael Burg, Technische Hochschule Mittelhessen (Germany)
Sebastian Beer, Technische Hochschule Mittelhessen (Germany)
Peggy Schlupp, Technische Hochschule Mittelhessen (Germany)
Thomas Schmidts, Technische Hochschule Mittelhessen (Germany)
Johannes T. Heverhagen, Philips Univ. Marburg (Germany)
Frank Runkel, Technische Hochschule Mittelhessen (Germany)
Martin Fiebich, Technische Hochschule Mittelhessen (Germany)

Published in SPIE Proceedings Vol. 8086:
Advanced Microscopy Techniques II
Peter T. C. So; Emmanuel Beaurepaire, Editor(s)

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