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Evaluation of effect of surfactants on the photodynamic inactivation of Staphylococcus aureus biofilms using bacteriochlorin

Grant number: 16/16086-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2016
Effective date (End): October 31, 2017
Field of knowledge:Biological Sciences - Microbiology - Applied Microbiology
Principal researcher:Clovis Wesley Oliveira de Souza
Grantee:Diego Damasco Barboza
Home Institution: Centro de Ciências Biológicas e da Saúde (CCBS). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Associated research grant:13/07276-1 - CEPOF - Optics and Photonic Research Center, AP.CEPID


The resistance that some microorganisms to current treatments available being an obstacle, especially for the medical field. Moreover, the microorganisms are able to organize a highly complex structure, and even stronger than in planktonic form called biofilm. Photodynamic Inactivation (PDI) has been an alternative method of treatment, which consists of incidence of light on a sample treated with a photosensitizer. Surfactants are compounds capable of increasing permeability through the membrane, thereby increasing the permeability of the cell wall photosensitizer. This project aims to study the effect of different surfactants in photodynamic inactivation of biofilm of Staphylococcus aureus.

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