Photodynamic action of laser radiation and methylene blue on some opportunistic pathogenic microorganisms of the oral cavity

Ilya S. Ovchinnikov; Gennady M. Shoub; Valery V. Tuchin

doi:10.1117/12.381518

6 April 2000 Photodynamic action of laser radiation and methylene blue on some opportunistic pathogenic microorganisms of the oral cavity

Ilya S. Ovchinnikov, Gennady M. Shoub, Valery V. Tuchin

Author Affiliations +

Proceedings Volume 4001, Saratov Fall Meeting '99: Optical Technologies in Biophysics and Medicine; (2000) https://doi.org/10.1117/12.381518
Event: Saratov Fall Meeting '99, 1999, Saratov, Russian Federation

Abstract

We have studied photodynamic action of He-Ne laser radiation on cultures of Staphylococcus and Streptococcus anhaemolyticus been sensitized by methylene blue. The concentration of the dye was varied form 0.001 percent to 0.1 percent and radiation power density from 75 to 200 mW/cm². Irradiated strain was put into thermostat for 24 hours, then the number of colonies was counted and analyzed.

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Ilya S. Ovchinnikov, Gennady M. Shoub, and Valery V. Tuchin "Photodynamic action of laser radiation and methylene blue on some opportunistic pathogenic microorganisms of the oral cavity", Proc. SPIE 4001, Saratov Fall Meeting '99: Optical Technologies in Biophysics and Medicine, (6 April 2000); https://doi.org/10.1117/12.381518

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