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Proceedings Paper

Generation of radicals in hard biological tissues under the action of laser radiation
Author(s): Alexander P. Sviridov; Victor N. Bagratashvili; Emil N. Sobol; Alexander I. Omelchenko; Elena V. Lunina; Yurii N. Zhitnev; Galina L. Markaryan; Valerii V. Lunin
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Paper 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.

Paper Details

Date Published: 16 July 2002
PDF: 9 pages
Proc. SPIE 4707, Saratov Fall Meeting 2001: Optical Technologies in Biophysics and Medicine III, (16 July 2002); doi: 10.1117/12.475623
Show Author Affiliations
Alexander P. Sviridov, Institute of Laser and Information Technologies (Russia)
Victor N. Bagratashvili, Institute of Laser and Information Technologies (Russia)
Emil N. Sobol, Institute of Laser and Information Technologies (Russia)
Alexander I. Omelchenko, Institute of Laser and Information Technologies (Russia)
Elena V. Lunina, Moscow State Univ. (Russia)
Yurii N. Zhitnev, Moscow State Univ. (Russia)
Galina L. Markaryan, Moscow State Univ. (Russia)
Valerii V. Lunin, Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 4707:
Saratov Fall Meeting 2001: Optical Technologies in Biophysics and Medicine III

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