3种活力碘稀释剂的杀菌效力观察

目的:选择一种安全、有效的碘伏稀释剂。方法:模拟几种溶剂的碘伏溶液,经5、10、20倍稀释后,观察其对3种标准菌株的杀菌效力。结果:溶剂为生理盐水时碘伏溶液在5min内能快速全部地杀灭标准菌;蒸馏水时中、低倍数稀释的碘伏溶液在5min内能快速地杀灭标准菌,但在高倍数稀释时,5min内还有少许大肠埃希菌、铜绿假单胞菌存活;自来水时碘伏溶液不能杀灭所有标准菌,特别是铜绿假单胞菌。结论:生理盐水和蒸馏水是理想的碘伏稀释剂。

Microbicidal Potential of Three Kinds of Iodophor Thinners

OBJECTIVE： To optimize kind of safe and effective iodophor thinner. METHODS： Iodophor solutions in several different solvents were made and diluted 5, 10 and 20 times, respectively. Then their microbicidal potentials on 3 standard strains were monitored. RESULTS： The standard strains were all killed within 5 min by iodophor solution in normal sodium or by low multiple diluted iodophor solution in distilled water; however, there were a few Escherichia coli and Pseudomonas aeruginosa still alive within 5 min in high multiple diluted iodophor solution in distilled water. Iodophor solution in tap water failed to kill all the standard strains, especially the Pseudomonas aeruginosa. CONCLUSION ： Normal saline solution and distilled water have been proved to be the ideal iodophor thinners.