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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2021, Volume 113, Issue 6, Pages 365–369
DOI: https://doi.org/10.31857/S1234567821060021 (Mi jetpl6383) 		 
This article is cited in 7 scientific papers (total in 7 papers)

OPTICS AND NUCLEAR PHYSICS

Femtosecond infrared laser spectroscopy of characteristic molecular vibrations in bacteria in the 6-$\mu$m spectral range

V. O. Kompanetsa, S. I. Kudryashovb, E. R. Tolordavabc, S. N. Shelyginab, V. V. Sokolovadb, I. N. Saraevab, M. S. Kovaleve, A. A. Ioninb, S. V. Chekalina

a Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, 108840 Russia
b Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991 Russia
c Gamaleya National Research Center for Epidemiology and Microbiology, Moscow, 123098 Russia
d Faculty of Biology, Moscow State University, Moscow, 119899 Russia
e Bauman Moscow State Technical University, Moscow, 105005 Russia
Full-text PDF (675 kB) Citations (7)
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DOI: https://doi.org/10.31857/S1234567821060021
Abstract: The transmission spectra of femtosecond laser pulses in the mid-IR range (5–6.6 $\mu$m) were investigated of submonolayer of Staphylococcus aureus and Pseudomonas aeruginosa bacteria on a silicon plate in the region of characteristic absorption bands of proteins and lipids, as well as stationary spectra after irradiation. Invertible “translucence” of samples in the region of characteristic bands of bacteria and blue shift these bands indicating the destruction of hydrogen bonds were discovered. The possibility of inactivation of pathogenic bacteria by selective IR laser denaturation of functional proteins by resonance irradiation of low average power is discussed.
Received: 04.02.2021
Revised: 04.02.2021
Accepted: 17.02.2021
English version:
Journal of Experimental and Theoretical Physics Letters, 2021, Volume 113, Issue 6, Pages 365–369
DOI: https://doi.org/10.1134/S0021364021060060
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. O. Kompanets, S. I. Kudryashov, E. R. Tolordava, S. N. Shelygina, V. V. Sokolova, I. N. Saraeva, M. S. Kovalev, A. A. Ionin, S. V. Chekalin, “Femtosecond infrared laser spectroscopy of characteristic molecular vibrations in bacteria in the 6-$\mu$m spectral range”, Pis'ma v Zh. Èksper. Teoret. Fiz., 113:6 (2021), 365–369; JETP Letters, 113:6 (2021), 365–369
Citation in format AMSBIB
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