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益生菌产生的生物表面活性剂对语音假体上生物膜形成的影响。

Influence of biosurfactants from probiotic bacteria on formation of biofilms on voice prostheses.

作者信息

Rodrigues Lígia, van der Mei Henny C, Teixeira José, Oliveira Rosário

机构信息

Centro de Engenharia Biológica-IBQF, Universidade do Minho, Largo do Paço, 4719 Braga CODEX, Portugal.

出版信息

Appl Environ Microbiol. 2004 Jul;70(7):4408-10. doi: 10.1128/AEM.70.7.4408-4410.2004.

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.

摘要

在人工喉模型中,使用从益生菌乳酸乳球菌53和嗜热链球菌A中获得的生物表面活性剂,在预处理过的语音假体上培养生物膜。两种生物表面活性剂都大大减少了假体上的微生物数量,并且还使生物膜形成后语音假体上出现的气流阻力降低。这项研究提出了一种延长语音假体使用寿命的有前景的策略。

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