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Proceedings Paper

Bacteriostatic influence of red laser light on the growth of Staphylococcus aureus and photodynamic enhancement of this effect with Photoditazine
Author(s): A. V. Egorova; G. E. Brill ; I. O. Bugaeva; E. S. Tuchina; G. V. Ponomaryov; O. V. Ushakova
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Paper Abstract

The influence of red laser irradiation on the growth of colonies of Staphylococcus aureus and photodynamic effect of the photosensitizer Photoditazine were performed. It was established that the emission of red laser light caused an inhibition of bacterial growth. This effect on standard strain of Staphylococcus aureus was evident only when relatively high doses of radiation (180 j/cm2). Photosensitivity of the methicillin-resistant strains was much higher: bacteriostatic effect of red light was observed already at the dose of 60 j/cm2 . Pre-treatment of bacterial cells by Photoditazine significantly enhances the inhibitory effect of the laser light.

Paper Details

Date Published: 26 April 2018
PDF: 5 pages
Proc. SPIE 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX, 1071612 (26 April 2018); doi: 10.1117/12.2313498
Show Author Affiliations
A. V. Egorova, Saratov State Medical Univ. (Russian Federation)
G. E. Brill , Saratov State Medical Univ. (Russian Federation)
I. O. Bugaeva, Saratov State Medical Univ. (Russian Federation)
E. S. Tuchina, Saratov State Univ. (Russian Federation)
G. V. Ponomaryov, Scientific Research Institute of Biomedical Chemistry (Russian Federation)
O. V. Ushakova, Yuri Gagarin State Technical Univ. of Saratov (Russian Federation)


Published in SPIE Proceedings Vol. 10716:
Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX
Valery V. Tuchin; Elina A. Genina; Vladimir L. Derbov; Dmitry Engelevich Postnov, Editor(s)

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