Spectroscopic detection of chemotherapeutics and antioxidants

Ines Latka; Roman Grüner; Christian Matthäus; Benjamin Dietzek; W. Werncke; Jürgen Lademann; Jürgen Popp

doi:10.1117/12.921768

8 May 2012 Spectroscopic detection of chemotherapeutics and antioxidants

Ines Latka, Roman Grüner, Christian Matthäus, Benjamin Dietzek, W. Werncke, Jürgen Lademann, Jürgen Popp

Proceedings Volume 8427, Biophotonics: Photonic Solutions for Better Health Care III; 84272O (2012) https://doi.org/10.1117/12.921768
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

The hand-foot-syndrome presents a severe dermal side-effect of chemotherapeutic cancer treatment. The cause of this side-effect is the elimination of systemically administered chemotherapeutics with the sweat. Transported to the skin surface, the drugs subsequently penetrate into the skin in the manner of topically applied substances. Upon accumulation of the chemotherapeutics in the skin the drugs destroy cells and tissue - in the same way as they are supposed to act in cancer cells. Aiming at the development of strategies to illuminate the molecular mechanism underlying the handfoot- syndrome (and, in a second step, strategies to prevent this severe side-effect), it might be important to evaluate the concentration and distribution of chemotherapeutics and antioxidants in the human skin. The latter can be estimated by the carotenoid concentration, as carotenoids serve as marker substances for the dermal antioxidative status.Following the objectives outlined above, this contribution presents a spectroscopic study aiming at the detection and quantification of carotenoids and selected chemotherapeutics in human skin. To this end, spontaneous Raman scattering and coherent anti-Stokes Raman scattering (CARS) microspectroscopy are combined with two-photon excited fluorescence. While the latter technique is Please verify that (1) all pages are present, (2) all figures are correct, (3) all fonts and special characters are correct, and (4) all text and figures fit within the red margin lines shown on this review document. Complete formatting information is available at http://SPIE.org/manuscripts Return to your MySPIE To Do List at http://myspie.org and approve or disapprove this submission. Your manuscript will not be published without this approval.restricted to the detection of fluorescent chemotherapeutics, e.g., doxorubicin, the vibrational spectroscopic techniques can - in principle - be applied to any type of analyte molecules. Furthermore, we will present the monitoring of doxorubicin uptake during experiments.

Citation Download Citation

Ines Latka, Roman Grüner, Christian Matthäus, Benjamin Dietzek, W. Werncke, Jürgen Lademann, and Jürgen Popp "Spectroscopic detection of chemotherapeutics and antioxidants", Proc. SPIE 8427, Biophotonics: Photonic Solutions for Better Health Care III, 84272O (8 May 2012); https://doi.org/10.1117/12.921768

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