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- Title
Mode Switching of the Natural Low-Frequency Oscillations of the Tobacco Mosaic Virus when the Temperature of Its Aqueous Suspension Changes.
- Authors
Bunkin, A. F.; Davydov, M. A.; Fedorov, A. N.; Arkhipenko, M. V.; Oshurko, V. B.; Pershin, S. M.
- Abstract
A stimulated low-frequency Raman scattering signal with frequencies of about 31.17 and 43.5 GHz caused by the presence of natural vibrational frequencies of the studied tobacco mosaic virus particles is detected in a suspension of the tobacco mosaic virus at the suspension particle concentrations of about 1012 and 2.0 × 1012 cm–3. A change in the suspension temperature at a given concentration of virus particles leads to a significant change in the observed stimulated low-frequency Raman scattering spectrum. The detected coherent signal of the first Stokes component with a frequency shift of about 43.5 GHz is in good agreement with our estimates of the natural vibrational frequencies of cylindrical nanoparticles in a liquid medium.
- Subjects
TOBACCO mosaic virus; STIMULATED Raman scattering; OSCILLATIONS; RAMAN spectroscopy; TEMPERATURE
- Publication
JETP Letters, 2021, Vol 113, Issue 11, p733
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364021110047