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

Tzu Ming Liu; Hung Ping Chen; Li Tzu Wang; Jen Ren Wang; Tang Nian Luo; Yi Jan Chen; Shen Iuan Liu; Chi Kuang Sun

doi:10.1063/1.3074371

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

Tzu Ming Liu, Hung Ping Chen, Li Tzu Wang, Jen Ren Wang, Tang Nian Luo, Yi Jan Chen, Shen Iuan Liu, Chi Kuang Sun

Department of Medical Laboratory Science and Biotechnology

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

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.

Original language	English
Article number	043902
Journal	Applied Physics Letters
Volume	94
Issue number	4
DOIs	https://doi.org/10.1063/1.3074371
Publication status	Published - 2009

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3074371

Cite this

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title = "Microwave resonant absorption of viruses through dipolar coupling with confined acoustic vibrations",

abstract = "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.",

author = "Liu, {Tzu Ming} and Chen, {Hung Ping} and Wang, {Li Tzu} and Wang, {Jen Ren} and Luo, {Tang Nian} and Chen, {Yi Jan} and Liu, {Shen Iuan} and Sun, {Chi Kuang}",

note = "Funding Information: This project has been sponsored by the National Science Council of Taiwan under Grant Nos. NSC97–2120-M-002–010, NSC 97–2221-E-002–047-MY3, and NSC 96–2628-E-002–043-MY3 and by the National Taiwan University Research Center for Medical Excellence. We thank D. B. Murray and L. Saviot for technical discussions on the dipolar modes in a nanosphere. ",

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doi = "10.1063/1.3074371",

language = "English",

volume = "94",

journal = "Applied Physics Letters",

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T1 - Microwave resonant absorption of viruses through dipolar coupling with confined acoustic vibrations

AU - Liu, Tzu Ming

AU - Chen, Hung Ping

AU - Wang, Li Tzu

AU - Wang, Jen Ren

AU - Luo, Tang Nian

AU - Chen, Yi Jan

AU - Liu, Shen Iuan

AU - Sun, Chi Kuang

N1 - Funding Information: This project has been sponsored by the National Science Council of Taiwan under Grant Nos. NSC97–2120-M-002–010, NSC 97–2221-E-002–047-MY3, and NSC 96–2628-E-002–043-MY3 and by the National Taiwan University Research Center for Medical Excellence. We thank D. B. Murray and L. Saviot for technical discussions on the dipolar modes in a nanosphere.

PY - 2009

Y1 - 2009

N2 - 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.

AB - 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.

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

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