Stimulated Low-Frequency Raman Scattering in Brome Mosaic Virus

被引：6

作者：

Karpova, O., V ^{[1
]}

Arkhipenko, M., V ^{[1
]}

Pershin, S. M. ^{[2
]}

Karpov, M. A. ^{[3
]}

Kudryavtseva, A. D. ^{[3
]}

Mironova, T., V ^{[3
]}

Savichev, V., I ^{[3
]}

Shevchenko, M. A. ^{[3
]}

Tcherniega, N., V ^{[3
]}

Umanskaya, S. F. ^{[3
]}

机构：

[1] Lomonosov Moscow State Univ, Moscow 119991, Russia

[2] Russian Acad Sci, Prokhorov Gen Phys Inst, Vavilova St 38, Moscow 119991, Russia

[3] Russian Acad Sci, Lebedev Phys Inst, Leninskii Prospect 53, Moscow 119991, Russia

来源：

JOURNAL OF RUSSIAN LASER RESEARCH | 2021年 / 42卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

stimulated low-frequency Raman scattering; viruses; brome mosaic virus; acoustics; eigenfrequency; resonance impact; VIBRATIONAL-MODES; SIZE;

D O I：

10.1007/s10946-020-09935-0

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We experimentally register stimulated low-frequency Raman scattering (SLFRS) in the suspension of brome mosaic virus (BMV) in phosphate buffer with very high conversion efficiency. We identify two components of the SLFRS spectrum as the breathing and quadrupole modes of BMV and determine damping characteristics and gain factors for these modes. We show that, using the core-shell model for BMV and taking into account the influence of the environment, the acoustic properties of individual components of such a composite nanosystem can be determined. Thus, we define the sound velocity in the RNA core of BMV, in view of spectral characteristics of SLFRS.

引用

页码：106 / 113

页数：8

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