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电液压冲击产生杀菌作用的机制。

Mechanism of the bactericidal action produced by electrohydraulic shock.

作者信息

Gilliland S E, Speck M L

出版信息

Appl Microbiol. 1967 Sep;15(5):1038-44. doi: 10.1128/am.15.5.1038-1044.1967.

DOI:10.1128/am.15.5.1038-1044.1967
PMID:4294820
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC547137/
Abstract

Electrohydraulic shock was shown to produce oxidation reactions which inactivated certain compounds important in cellular metabolism. Enzymes that were inactivated included lactic dehydrogenase, trypsin, and proteinases of Bacillus subtilis. Free sulfhydryl groups and reduced nicotinamide adenine dinucleotide were oxidized. Adenosine triphosphate was destroyed, but deoxyribonucleic acid was not affected. Intracellular material of Escherichia coli lost its ability to absorb at 260 mmu after electrohydraulic shock. The bactericidal mechanism involved appeared to be due to nonselective oxidation reactions produced by high-voltage discharges in water. These oxidation reactions were probably mediated by free radicals produced in the water.

摘要

电液压冲击被证明会产生氧化反应,这些反应会使细胞代谢中某些重要的化合物失活。失活的酶包括乳酸脱氢酶、胰蛋白酶和枯草芽孢杆菌的蛋白酶。游离巯基和还原型烟酰胺腺嘌呤二核苷酸被氧化。三磷酸腺苷被破坏,但脱氧核糖核酸未受影响。电液压冲击后,大肠杆菌的细胞内物质失去了在260毫微米处吸收的能力。所涉及的杀菌机制似乎是由于水中高压放电产生的非选择性氧化反应。这些氧化反应可能是由水中产生的自由基介导的。

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本文引用的文献

1
Free Radicals and Unstable Molecules.自由基与不稳定分子
Science. 1964 Jan 31;143(3605):441-50. doi: 10.1126/science.143.3605.441.
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Observations on the Cell Division of Some Yeasts and Bacteria.关于某些酵母和细菌细胞分裂的观察
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Studies in the radiolysis of ferrous sulfate solutions. I. Effect of oxygen concentration in O. 8 N sulfuric acid.硫酸亚铁溶液辐解的研究。I. 0.8N硫酸中氧浓度的影响。
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Nongenetic effects of radiation on microorganisms.辐射对微生物的非遗传效应。
Annu Rev Microbiol. 1957;11:199-220. doi: 10.1146/annurev.mi.11.100157.001215.
8
Inactivation of microorganisms by electrohydraulic shock.电液压冲击对微生物的灭活作用。
Appl Microbiol. 1967 Sep;15(5):1031-7. doi: 10.1128/am.15.5.1031-1037.1967.