Influence of biosurfactants from probiotic bacteria on formation of biofilms on voice prostheses |
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| Authors: | Rodrigues Lígia van der Mei Henny C Teixeira José Oliveira Rosário |
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| Institution: | Centro de Engenharia Biológica-IBQF, Universidade do Minho, Largo do Pa?o, 4719 Braga CODEX, Portugal. |
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| Abstract: | Biofilms were grown on preconditioned voice prostheses with biosurfactants obtained from probiotic bacteria Lactococcus lactis 53 and Streptococcus thermophilus A in an artificial throat model. Both biosurfactants greatly reduced microbial numbers on prostheses and also induced a decrease in the airflow resistance that occurs on voice prostheses after biofilm formation. This study presents a promising strategy for prolonging the lifespan of voice prostheses. |
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