Microwave resonant absorption of viruses through dipolar coupling with confined acoustic vibrations | Zendy

TzuMing Liu | Zendy; Hung-Ping Chen | Zendy; LiTzu Wang | Zendy; JenRen Wang | Zendy; Tang-Nian Luo | Zendy; YiJan Emery Chen | Zendy; Shen-Iuan Liu | Zendy; ChiKuang Sun | Zendy

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Microwave resonant absorption of viruses through dipolar coupling with confined acoustic vibrations

Author(s) -

TzuMing Liu,

Hung-Ping Chen,

LiTzu Wang,

JenRen Wang,

Tang-Nian Luo,

YiJan Emery Chen,

Shen-Iuan Liu,

ChiKuang Sun

Publication year - 2009

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3074371

Subject(s) - dipole , microwave , absorption (acoustics) , vibration , coupling (piping) , molecular physics , materials science , homogeneous , adsorption , condensed matter physics , physics , chemistry , optics , acoustics , composite material , organic chemistry , quantum mechanics , thermodynamics

In this letter, with an electric double layer on the surface of spherical viruses, we confirm that one of the microwave resonant absorption MRA mechanisms of viruses is through dipolar coupling with confined acoustic vibrations. By treating spherical virions as free homogeneous nanoparticles, we found that the MRA frequencies agree well with that of l=1 dipolar modes predicted by the elastic continuum theory. The magnitude of MRA was also found to change with the amount of adsorbed charges on the surface of virions. Our results provide a method to observe three-dimensionally confined acoustic vibrations in biological systems. © 2009 American Institute of Physics. DOI: 10.1063/1.3074371

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