{"title":"H2-和o3填充超细气泡水的杀菌效果评价。","authors":"Risako Morishita, Satoshi Itoh, Mariko Takeda-Morishita","doi":"10.4265/bio.27.139","DOIUrl":null,"url":null,"abstract":"<p><p>Ultrafine bubbles (UFBs) are gaining attention in diverse industries as a new type of material with specific physical properties. Bactericidal activity has been reported as one of the unique properties of UFB water; however, the bactericidal activities of UFBs related to the gas type remain unclear. In particular, the bactericidal effect of hydrogen (H<sub>2</sub>) -filled UFB water has not been verified. Therefore, this study aimed to evaluate the bactericidal effects of H<sub>2</sub>- or ozone (O<sub>3</sub>) -filled UFB water using a bacterial suspension test. The results of this study clearly showed that H<sub>2</sub>- or O<sub>3</sub>-filled UFB water had strong bactericidal activity. Exposure of Escherichia coli for 6 h and Staphylococcus aureus for 3 h reduced the survival rate of those bacteria by >90%. This finding suggests that both O<sub>3</sub> gas- and H<sub>2</sub>-filled UFBs are novel environmentally friendly disinfectants that can be employed to avoid the use of chemicals.</p>","PeriodicalId":8777,"journal":{"name":"Biocontrol science","volume":null,"pages":null},"PeriodicalIF":0.9000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Evaluation of Bactericidal Effects of H<sub>2</sub>- and O<sub>3</sub>-filled Ultrafine Bubbles Water.\",\"authors\":\"Risako Morishita, Satoshi Itoh, Mariko Takeda-Morishita\",\"doi\":\"10.4265/bio.27.139\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Ultrafine bubbles (UFBs) are gaining attention in diverse industries as a new type of material with specific physical properties. Bactericidal activity has been reported as one of the unique properties of UFB water; however, the bactericidal activities of UFBs related to the gas type remain unclear. In particular, the bactericidal effect of hydrogen (H<sub>2</sub>) -filled UFB water has not been verified. Therefore, this study aimed to evaluate the bactericidal effects of H<sub>2</sub>- or ozone (O<sub>3</sub>) -filled UFB water using a bacterial suspension test. The results of this study clearly showed that H<sub>2</sub>- or O<sub>3</sub>-filled UFB water had strong bactericidal activity. Exposure of Escherichia coli for 6 h and Staphylococcus aureus for 3 h reduced the survival rate of those bacteria by >90%. This finding suggests that both O<sub>3</sub> gas- and H<sub>2</sub>-filled UFBs are novel environmentally friendly disinfectants that can be employed to avoid the use of chemicals.</p>\",\"PeriodicalId\":8777,\"journal\":{\"name\":\"Biocontrol science\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.9000,\"publicationDate\":\"2022-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Biocontrol science\",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://doi.org/10.4265/bio.27.139\",\"RegionNum\":4,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"BIOTECHNOLOGY & APPLIED MICROBIOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biocontrol science","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.4265/bio.27.139","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"BIOTECHNOLOGY & APPLIED MICROBIOLOGY","Score":null,"Total":0}
Evaluation of Bactericidal Effects of H2- and O3-filled Ultrafine Bubbles Water.
Ultrafine bubbles (UFBs) are gaining attention in diverse industries as a new type of material with specific physical properties. Bactericidal activity has been reported as one of the unique properties of UFB water; however, the bactericidal activities of UFBs related to the gas type remain unclear. In particular, the bactericidal effect of hydrogen (H2) -filled UFB water has not been verified. Therefore, this study aimed to evaluate the bactericidal effects of H2- or ozone (O3) -filled UFB water using a bacterial suspension test. The results of this study clearly showed that H2- or O3-filled UFB water had strong bactericidal activity. Exposure of Escherichia coli for 6 h and Staphylococcus aureus for 3 h reduced the survival rate of those bacteria by >90%. This finding suggests that both O3 gas- and H2-filled UFBs are novel environmentally friendly disinfectants that can be employed to avoid the use of chemicals.
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