Generation of radicals in hard biological tissues under the action of laser radiation

Alexander P. Sviridov; Victor N. Bagratashvili; Emil N. Sobol; Alexander I. Omelchenko; Elena V. Lunina; Yurii N. Zhitnev; Galina L. Markaryan; Valerii V. Lunin

doi:10.1117/12.475623

16 July 2002 Generation of radicals in hard biological tissues under the action of laser radiation

Alexander P. Sviridov, Victor N. Bagratashvili, Emil N. Sobol, Alexander I. Omelchenko, Elena V. Lunina, Yurii N. Zhitnev, Galina L. Markaryan, Valerii V. Lunin

Author Affiliations +

Proceedings Volume 4707, Saratov Fall Meeting 2001: Optical Technologies in Biophysics and Medicine III; (2002) https://doi.org/10.1117/12.475623
Event: Saratov Fall Meeting 2001, 2001, Saratov, Russian Federation

Abstract

The formation of radicals upon UV and IR laser irradiation of some biological tissues and their components was studied by the EPR technique. The radical decay kinetics in body tissue specimens after their irradiation with UV light were described by various models. By the spin trapping technique, it was shown that radicals were not produced during IR laser irradiation of cartilaginous tissue. A change in optical absorption spectra and the dynamics of optical density of cartilaginous tissue, fish scale, and a collagen film under exposure to laser radiation in an air, oxygen, and nitrogen atmosphere was studied.

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Alexander P. Sviridov, Victor N. Bagratashvili, Emil N. Sobol, Alexander I. Omelchenko, Elena V. Lunina, Yurii N. Zhitnev, Galina L. Markaryan, and Valerii V. Lunin "Generation of radicals in hard biological tissues under the action of laser radiation", Proc. SPIE 4707, Saratov Fall Meeting 2001: Optical Technologies in Biophysics and Medicine III, (16 July 2002); https://doi.org/10.1117/12.475623

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