Monte Carlo study of skin optical clearing to enhance light penetration in the tissue: implications for photodynamic therapy of acne vulgaris

Alexey N. Bashkatov; Elina A. Genina; Valery V. Tuchin; Gregory B. Altshuler; Ilya V. Yaroslavsky

doi:10.1117/12.803909

5 June 2008 Monte Carlo study of skin optical clearing to enhance light penetration in the tissue: implications for photodynamic therapy of acne vulgaris

Alexey N. Bashkatov, Elina A. Genina, Valery V. Tuchin, Gregory B. Altshuler, Ilya V. Yaroslavsky

Author Affiliations +

Proceedings Volume 7022, Advanced Laser Technologies 2007; 702209 (2008) https://doi.org/10.1117/12.803909
Event: Advanced Laser Technologies 2007, 2007, Levi, Finland

Abstract

Result of Monte Carlo simulations of skin optical clearing is presented. The model calculations were carried out with the aim of studying of spectral response of skin under immersion liquids action and calculation of enhancement of light penetration depth. In summary, we have shown that: 1) application of glucose, propylene glycol and glycerol produced significant decrease of light scattering in different skin layers; 2) maximal clearing effect will be obtained in case of optical clearing of skin dermis, however, absorbed light fraction in skin dermis changed insignificantly, independently on clearing agent and place it administration; 3) in contrast to it, the light absorbed fraction in skin adipose layer increased significantly in case of optical clearing of skin dermis. It is very important because it can be used for development of optical methods of obesity treatment; 4) optical clearing of superficial skin layers can be used for decreasing of power of light radiation used for treatment of acne vulgaris.

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Alexey N. Bashkatov, Elina A. Genina, Valery V. Tuchin, Gregory B. Altshuler, and Ilya V. Yaroslavsky "Monte Carlo study of skin optical clearing to enhance light penetration in the tissue: implications for photodynamic therapy of acne vulgaris", Proc. SPIE 7022, Advanced Laser Technologies 2007, 702209 (5 June 2008); https://doi.org/10.1117/12.803909

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