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Proceedings Paper

Broadband light action on opportunistic microorganisms photosensitized by TiO2 and Ag-SiO2 nanoparticle films
Author(s): Elena S. Tuchina; Dmitry V. Rudik; Galina V. Krylova; Natalia P. Smirnova; Anna M. Eremenko; Valery V. Tuchin
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Paper Abstract

Antimicrobial photodynamic therapy strives for creation new photosensitizes providing effective formation of singlet oxygen at irradiation in various spectrum areas. Construction of a new generation of photosensitizes on the basis of nanoparticles, such as TiO2, Ag, Au, SiO2 have great potential. We have showed that different nanoparticles used as photosensitizes lead to different effects during photodynamic action. Interaction of broadband light and Ag-SiO2 nanoparticle film decreased bacterial CFU. Irradiation of the test-cultures, photosensitized by TiO2, stimulates microbial cell division.

Paper Details

Date Published: 24 July 2006
PDF: 3 pages
Proc. SPIE 6163, Saratov Fall Meeting 2005: Optical Technologies in Biophysics and Medicine VII, 61631V (24 July 2006); doi: 10.1117/12.697434
Show Author Affiliations
Elena S. Tuchina, Saratov State Univ. (Russia)
Dmitry V. Rudik, Saratov State Univ. (Russia)
Galina V. Krylova, Institute of Surface Chemistry, Ukranian National Academy of Sciences (Ukraine)
Natalia P. Smirnova, Institute of Surface Chemistry, Ukranian National Academy of Sciences (Ukraine)
Anna M. Eremenko, Institute of Surface Chemistry, Ukranian National Academy of Sciences (Ukraine)
Valery V. Tuchin, Saratov State Univ. (Russia)


Published in SPIE Proceedings Vol. 6163:
Saratov Fall Meeting 2005: Optical Technologies in Biophysics and Medicine VII
Valery V. Tuchin, Editor(s)

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