Terahertz and Far-infrared Absorption Spectroscopic Study of DNA Bases

Tomofumi Seki; Yoshimichi Ohki; Maya Mizuno

doi:10.1109/CEIDP49254.2020.9437559

Terahertz and Far-infrared Absorption Spectroscopic Study of DNA Bases

Tomofumi Seki, Yoshimichi Ohki, Maya Mizuno

Kagami Memorial Research Institute for Materials Science and Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

It is important to know the higher-order structure of deoxyribonucleic acid (DNA) since DNA has been considered to be a candidate for an emerging dielectric material. Regarding this, terahertz (THz) and far-infrared (FIR) absorption spectra were measured for guanine, a constituent base of DNA. In addition, quantum chemical calculations using density function theory were conducted for three types of guanine models to simulate the acquired absorption spectra. As a result, it is clarified that the absorption peaks appearing in the FIR and THz ranges are assigned to skeletal or intermolecular vibrations.

Original language	English
Title of host publication	CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	539-542
Number of pages	4
ISBN (Electronic)	9781728195728
DOIs	https://doi.org/10.1109/CEIDP49254.2020.9437559
Publication status	Published - 2020 Oct 18
Event	2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2020 - Virtual, East Rutherford, United States Duration: 2020 Oct 18 → 2020 Oct 30

Publication series

Name	Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
Volume	2020-October
ISSN (Print)	0084-9162

Conference

Conference	2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2020
Country/Territory	United States
City	Virtual, East Rutherford
Period	20/10/18 → 20/10/30

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/CEIDP49254.2020.9437559

Cite this

Seki, T., Ohki, Y., & Mizuno, M. (2020). Terahertz and Far-infrared Absorption Spectroscopic Study of DNA Bases. In CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena (pp. 539-542). Article 9437559 (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP; Vol. 2020-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CEIDP49254.2020.9437559

Terahertz and Far-infrared Absorption Spectroscopic Study of DNA Bases. / Seki, Tomofumi; Ohki, Yoshimichi; Mizuno, Maya.
CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena. Institute of Electrical and Electronics Engineers Inc., 2020. p. 539-542 9437559 (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP; Vol. 2020-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Seki, T, Ohki, Y & Mizuno, M 2020, Terahertz and Far-infrared Absorption Spectroscopic Study of DNA Bases. in CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena., 9437559, Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, vol. 2020-October, Institute of Electrical and Electronics Engineers Inc., pp. 539-542, 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2020, Virtual, East Rutherford, United States, 20/10/18. https://doi.org/10.1109/CEIDP49254.2020.9437559

Seki T, Ohki Y, Mizuno M. Terahertz and Far-infrared Absorption Spectroscopic Study of DNA Bases. In CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena. Institute of Electrical and Electronics Engineers Inc. 2020. p. 539-542. 9437559. (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP). doi: 10.1109/CEIDP49254.2020.9437559

Seki, Tomofumi ; Ohki, Yoshimichi ; Mizuno, Maya. / Terahertz and Far-infrared Absorption Spectroscopic Study of DNA Bases. CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena. Institute of Electrical and Electronics Engineers Inc., 2020. pp. 539-542 (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP).

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abstract = "It is important to know the higher-order structure of deoxyribonucleic acid (DNA) since DNA has been considered to be a candidate for an emerging dielectric material. Regarding this, terahertz (THz) and far-infrared (FIR) absorption spectra were measured for guanine, a constituent base of DNA. In addition, quantum chemical calculations using density function theory were conducted for three types of guanine models to simulate the acquired absorption spectra. As a result, it is clarified that the absorption peaks appearing in the FIR and THz ranges are assigned to skeletal or intermolecular vibrations.",

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note = "Funding Information: This work was partly supported by JSPS Research (Exploratory), JP 17K18889. Publisher Copyright: {\textcopyright} 2020 IEEE.; 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2020 ; Conference date: 18-10-2020 Through 30-10-2020",

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Terahertz and Far-infrared Absorption Spectroscopic Study of DNA Bases

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