期刊
PHYSICS OF PLASMAS
卷 17, 期 12, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3526678
关键词
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资金
- National Natural Science Foundation of China [10875048, 51077063]
- Ministry of Education, People's Republic of China
- CSIRO (Australia)
Highly effective (more than 99.9%) inactivation of a pathogenic fungus Candida albicans commonly found in oral, respiratory, digestive, and reproduction systems of a human body using atmospheric-pressure plasma jets sustained in He+O-2 gas mixtures is reported. The inactivation is demonstrated in two fungal culture configurations with open (Petri dish without a cover) and restricted access to the atmosphere (Petri dish with a cover) under specific experimental conditions. It is shown that the fungal inactivation is remarkably more effective in the second configuration. This observation is supported by the scanning and transmission electron microscopy of the fungi before and after the plasma treatment. The inactivation mechanism explains the experimental observations under different experimental conditions and is consistent with the reports by other authors. The results are promising for the development of advanced health care applications. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3526678]
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