概括
1:20,000的特吉托-7有效消毒了粉试 agar,杀死了细菌子,但允许一些Streptomyces生长. 低度导致绝育失败,并增加了微生物生长.
科学领域:
- 微生物学 微生物学
- 灭菌技术 灭菌技术
背景情况:
- 灭菌对于微生物介质的制备至关重要.
- 特尔吉托-7是一种表面活性剂,具有潜在的抗微生物特性.
研究的目的:
- 为了评估Tergitol-7在杀菌粉试烯酸的有效性.
- 为了确定Tergitol-7的最佳度,用于杀菌和微生物抑制.
主要方法:
- 使用阿诺德杀菌器对粉试酸盐与不同度的Tergitol-7进行杀菌.
- 测试Tergitol-7对细菌子 (B. mycoides,B. subtilis,未识别的细菌) 和微生物生长 (Streptomyces,Penicillium,Aspergillus,Staph) 的疗效. 黄金色,大肠杆菌).
主要成果:
- 在粉试酸中,Tergitol-7的度为1:20,000,在一次30分钟的加热时间内成功实现了灭菌.
- 这种度杀死了B. mycoides的子和一个身份不明的细菌,但没有杀死B. subtilis.
- 较低度 (1:30,000) 导致绝育失败,并允许测试中的Streptomyces物种的生长.
- 1:20,000 特尔吉托尔-7 没有抑制Penicillium,Aspergillus,Staph的生长. 黄金色,或大肠杆菌.
结论:
- 在1:20,000的Tergitol-7是有效的对某些细菌子杀粉试子 agar.
- 表面活性剂表现出选择性的抗微生物活性,在测试度下允许某些真菌和细菌生长.
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