Abstract
A study is performed of the inactivation of planktonic bacteria Escherichia coli and Bacillus subtilis by acoustic shock waves generated by a nanosecond laser pulse that causes rapid local heating, growth, and collapse of vapor bubbles in a physiological saline with bacteria containing organic dyes as thermosensitizers. The role of strong electronically excited states of dyes in the local heating of a medium is shown. The dependence of the efficiency of microorganism inactivation on the type and concentration of dyes, the power density of the exciting radiation, and the distance from the source of shock wave generation is studied.
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This study was supported by the Russian Ministry of Education and Science, FSGU-2020-0003.
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Letuta, S.N., Pashkevich, S.N., Ishemgulov, A.T. et al. Inactivation of Planktonic Microorganisms by Acoustic Shock Waves. Russ. J. Phys. Chem. 95, 848–854 (2021). https://doi.org/10.1134/S0036024421040142
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DOI: https://doi.org/10.1134/S0036024421040142