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《Chinese Journal of Nosoconmiology》 2003-04
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Bactericidal Effect of Ozone Water:An Experimental Observation

SHI Li-ke, MA Jing-xue, ZHAO Gui-rong, WANG Yue, QI Xiao-min (The Second Hospital, Hebei Medical University, Shijiazhuang, Hebei 050000, China)  
OBJECTIVE To observe the bactericidal effect of a series concentration of ozone water produced by the high efficient ozone water generator on different isolates. METHODS The ozone water was used to disinfect the bacterial suspension, then cultivate quantitively and calculate the killing rate. RESULTS The killing rate was 100% to Escherichia coli(ATCC8099), Staphylococcus aureus(ATCC25923) and Candida albicans(ATCC10231) after exposed to ozone water of 5 mg/L for 1min and to spore of Bacillus subtilis(ATCC9372) was 99.99% after exposed to ozone water for 10 min. The killing rate was 100% to clinical isolates of S.aureus/E.coli/C. albicans and Pseudomonas aeruginosa after exposed to ozone water of 5 mg/L for 0.5 min, and the killing rate was over 99.3% after exposed to ozone water of 1.25 mg/L. CONCLUSIONS The ozone water was produced by the high efficient ozone water generator which has fast and better bactericidal effect.
【CateGory Index】: R187
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