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Proceedings Paper

The effect of LED-light action on microbial colony forming ability of several species of staphylococcus
Author(s): Elena S. Tuchina; Natalia F. Permyakova; Valery V. Tuchin
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Paper Abstract

Photodynamic therapy (PDT) now is widespread for treatment of the various skin infections caused by Propionibacterium acnes or Staphylococcii spp. We used PDT for influence on opportunistic microflora of human skin presented by Staphylococcus hominis, S. warnery, S. epidermidis S. aureus 209 P, S. aureus 69. Species S. epidermidis, S. aureus 209 P, S. hominis to some extent reduced colonies forming ability under action of dual wavelength LED-light (442 nm and 597 nm). For species S. warnery, S. aureus 69 the increase in CFU number under action of light relative to control was characteristic. Our experiments have shown, that phototherapy can be used for treatment of diseases associated with S. aureus 209 P. The doze 8 J/cm2 caused reduction in CFU of this species on 40% relative to control.

Paper Details

Date Published: 26 April 2007
PDF: 6 pages
Proc. SPIE 6535, Saratov Fall Meeting 2006: Optical Technologies in Biophysics and Medicine VIII, 65351X (26 April 2007); doi: 10.1117/12.741013
Show Author Affiliations
Elena S. Tuchina, Saratov State Univ. (Russia)
Natalia F. Permyakova, Saratov State Univ. (Russia)
Valery V. Tuchin, Saratov State Univ. (Russia)


Published in SPIE Proceedings Vol. 6535:
Saratov Fall Meeting 2006: Optical Technologies in Biophysics and Medicine VIII

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