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高压脉冲对大肠杆菌K12的致死效应。

Lethal effects of high-voltage pulses on E. coli K12.

作者信息

Hülsheger H, Niemann E G

出版信息

Radiat Environ Biophys. 1980;18(4):281-8. doi: 10.1007/BF01324271.

DOI:10.1007/BF01324271
PMID:7012900
Abstract

The lethal effects of high-voltage capacitor-discharges in suspensions of E. coli K12 with varying electrolytes have been examined. A reduction of more than 99.9% of living cells, dependent on the applied voltage could be proved. The bactericidal action is assumed to be due to direct effects of high electric fields. Electrolytically produced chlorine was shown to act as an additional toxic agent, when chloride is present in the treated medium. The relative survival rate of bacteria has been found to depend also on the concentration of cells during pulse treatment.

摘要

研究了在含有不同电解质的大肠杆菌K12悬浮液中高压电容器放电的致死效应。可以证明,活细胞减少超过99.9%,这取决于施加的电压。杀菌作用被认为是由于高电场的直接作用。当处理介质中存在氯化物时,电解产生的氯被证明可作为一种额外的有毒物质。已发现细菌的相对存活率也取决于脉冲处理期间细胞的浓度。

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