Mode Switching of the Natural Low-Frequency Oscillations of the Tobacco Mosaic Virus when the Temperature of Its Aqueous Suspension ChangesстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 29 сентября 2021 г.
Аннотация: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 coherentsignal 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