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Summary form only given. Antibacterial effect was studied in cold plasmas excited by fast-rising voltage pulse. The antibacterial effect was measured on the basis of total mortality and temporal dependence of survived population of micro-organism: spore forming bacteria of Bacillus genera and Aspergillus niger. Control characteristics and antibacterial effect is compared with another type of cold...
Cells of Escherichia coli were exposed to a downstream plasma afterglow plume emitted from a slotted plasma device operating in open air at atmospheric pressure. Various feed-gas mixtures were capacitively excited, as they flowed into open air past radio frequency-powered electrodes. To estimate the underlying inactivation pathways, various experimental conditions were tested by incorporating ultraviolet...
Summary form only given. Water treatment by atmospheric oxygen plasma was examined for decomposing persistent materials such as dioxin. In the previous experiments the acetic acid (CH3COOH) as an alternative to the dioxin was successfully decomposed by the combination of fast oxygen flow and a DC driven micro hollow cathode discharge (MHCD). Meanwhile no decomposition was observed with ozone injection...
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