探索一种基于单硫酸盐的新型消毒剂的杀菌效果
P P Barbosa1, D M Leme2, N G Motta3
1School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, Wales, UK; University of Campinas (UNICAMP), Campinas, São Paulo, Brazil.
一种新的单硫酸盐 (MPS) 纳米技术配方有效地杀死金黄色葡萄球菌和肺炎菌,包括干表面生物膜 (DSB). 这种可生物降解的消毒剂对医疗保健环境有希望,尽管机械去除可能会提高其有效性.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 纳米技术纳米技术
背景情况:
- *金黄色葡萄球菌*和Klebsiella pneumoniae*是导致医院感染的主要原因.
- * 这两种病原体都形成了弹性干表面生物膜 (DSB),使消毒协议复杂化.
研究的目的:
- * 评估一种新单硫酸盐 (MPS) 纳米技术配方的杀菌效果.
- * 为了与标准消毒剂比较MPS对浮游生物和静态生物的疗效 * S. aureus* 和 * K. pneumoniae*.
- * 评估MPS性能与干表面生物膜 (DSB) 相比.
主要方法:
- *使用标准悬浮剂和载体试验来评估杀菌效果.
- *MPS与酸盐 (NaOCl) 和二甲基甲基化物 (DDAC) 相比较.
- * 用扫描电子显微镜 (SEM) 来观察结构损伤.
主要成果:
- * MPS (2% w/v) 快速减少 *K.肺炎* 减少了4 log10 .
- * *S. aureus*需要擦拭,以在5分钟内实现≥4log10的减少.
- * SEM证实了治疗后两种细菌物种的显著结构损伤.
结论:
- *MPS配方表现出强大的杀菌活性,包括针对DSB.
- * 它的有效性与现有的医疗保健生物制剂相当,具有可生物降解性的额外好处.
- *优化机械移除是最大限度地提高MPS在现实应用中的有效性.
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