Journal
QUIMICA NOVA
Volume 30, Issue 4, Pages 988-994Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422007000400039
Keywords
photodynamic inactivation; microorganisms; dyes
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Photodynamic Therapy uses photosensitive dyes and visible light that, combined in the presence of oxygen, produce cytotoxic species that cause tumor death. Microorganisms such as bacteria, fungi, yeasts and viruses (including HIV) can also be inactivated by visible light after treatment with an appropriate photosensitizer as an alternative low cost treatment for localized infections, viral lesions such as acnes, and fungical skin lesions for example. Besides, Photodynamic Inactivation can be used for sterilization of blood and its subproducts for clinical use, in the treatment of drinking water as well as in antimicrobial detoxification of foods.
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