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In Vitro Comparison of Antibacterial Effect of Ozonated Water and Ozonated Gas
Ozone: Science & Engineering ( IF 2.1 ) Pub Date : 2020-10-01 , DOI: 10.1080/01919512.2020.1811636
Felipe Agostini 1 , Melissa Faccini 1 , Francisco Fitarelli 1 , Mariana Aparecida Lopes Ortiz 2 , Samira Salmeron 3 , Ricardo Cesar Gobbi Oliveira 1 , Fabricio Pinelli Valarelli 1 , Renata Cristina Oliveira 1 , Karina Maria Salvatore Freitas 1
Affiliation  

ABSTRACT

This study aimed to compare the antibacterial effect of ozonated water and ozonated gas at different concentrations and exposure times. Staphylococcus aureus and Enterococcus faecalis were exposed to ozonated water or ozonated gas at concentrations of 20, 40 and 60 μg/mL for 1 and 2 minutes. A positive control with bacteria and a chlorhexidine 2% negative control were used. The number of colony-forming units (CFU/mL) was evaluated. The concentrations of 40 and 60 μg/mL were significantly more effective. For the E. faecalis, ozonated gas was significantly more effective than ozonated water. When compared to controls, all ozone concentrations were effective in reducing bacteria.



中文翻译:

臭氧水和臭氧气体抗菌效果的体外比较

摘要

本研究旨在比较臭氧水和臭氧气体在不同浓度和暴露时间下的抗菌作用。将金黄色葡萄球菌粪肠球菌暴露于浓度为 20、40 和 60 μg/mL 的臭氧水或臭氧气体中 1 和 2 分钟。使用细菌阳性对照和氯己定 2% 阴性对照。评估菌落形成单位的数量 (CFU/mL)。40 和 60 μg/mL 的浓度明显更有效。对于粪肠球菌,臭氧化气体比臭氧化水更有效。与对照组相比,所有臭氧浓度均能有效减少细菌。

更新日期:2020-10-01
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