Photodynamic treatment for surface sanitation

Lubov Brovko; Nadya A. Romanova; Christina Leslie; Helene Ollivier; Mansel W. Griffiths

doi:10.1117/12.628596

12 October 2005 Photodynamic treatment for surface sanitation

Lubov Brovko, Nadya A. Romanova, Christina Leslie, Helene Ollivier, Mansel W. Griffiths

Proceedings Volume 5969, Photonic Applications in Biosensing and Imaging; 596914 (2005) https://doi.org/10.1117/12.628596
Event: Photonics North, 2005, Toronto, Canada

Abstract

The bactericidal effect of visible light illumination on bacteria treated with non-toxic photosensitizers (PS) has been shown previously, its effectiveness depended on both cell type and nature of photosensitizer used. The photosensitizer (PS)-mediated bactericidal effect of light against different types of microorganisms including vegetative bacteria (both in planktonic form and in biofilms), bacterial spores, yeasts, viruses was investigated for both cells in liquid media, and on surface. Bactericidal effect was monitored for different photosensitizer such as TBO and derivatives of rosamine at different concentrations. The possibility of using photodynamic treatment for surface sanitation was investigated.

Citation Download Citation

Lubov Brovko, Nadya A. Romanova, Christina Leslie, Helene Ollivier, and Mansel W. Griffiths "Photodynamic treatment for surface sanitation", Proc. SPIE 5969, Photonic Applications in Biosensing and Imaging, 596914 (12 October 2005); https://doi.org/10.1117/12.628596

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