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Effects of proton conduction on dielectric properties of peptides

Peptides have been overlooked for their use in the field of electronics, even though they are one of the most commonly found bio-induced materials, and are not only easy to mass-produce but also exhibit a high dielectric constant. Additionally, unlike proteins, which are gaining considerable interes...

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Detalles Bibliográficos
Autores principales: Sung, Taehoon, Namgung, Seok Daniel, Lee, Jaehun, Choe, Ik Rang, Nam, Ki Tae, Kwon, Jang-Yeon
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9086689/
https://www.ncbi.nlm.nih.gov/pubmed/35548794
http://dx.doi.org/10.1039/c8ra06121a
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author Sung, Taehoon
Namgung, Seok Daniel
Lee, Jaehun
Choe, Ik Rang
Nam, Ki Tae
Kwon, Jang-Yeon
author_facet Sung, Taehoon
Namgung, Seok Daniel
Lee, Jaehun
Choe, Ik Rang
Nam, Ki Tae
Kwon, Jang-Yeon
author_sort Sung, Taehoon
collection PubMed
description Peptides have been overlooked for their use in the field of electronics, even though they are one of the most commonly found bio-induced materials, and are not only easy to mass-produce but also exhibit a high dielectric constant. Additionally, unlike proteins, which are gaining considerable interest with materials researchers, peptides are much simpler, rendering their original characteristics easier to maintain without significant alteration of their structure. On the other hand, proteins tend to deform due to their susceptibility to environmental changes. Combining such superb dielectric properties with their relatively stable nature, peptides could be utilized as a component of electronic devices ranging from basic capacitors to more complex thin-film transistors. In this paper, a peptide chain (YYACAYY) composed of tyrosine, alanine, and cysteine was extensively studied using an impedance analyzer to determine its innate charge movement mechanism in order to extend our understanding of the electric properties of peptides. The movement of mobile protons inside the peptide insulator was found to be the source of the high relative permittivity of the peptide insulator, and the dielectric constant of the peptide insulator was found to be over 17 in humid conditions. By widening the understanding of the dielectric properties of the peptide insulator, it is expected that the peptide can be further utilized as an insulator in various electronic devices.
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spelling pubmed-90866892022-05-10 Effects of proton conduction on dielectric properties of peptides Sung, Taehoon Namgung, Seok Daniel Lee, Jaehun Choe, Ik Rang Nam, Ki Tae Kwon, Jang-Yeon RSC Adv Chemistry Peptides have been overlooked for their use in the field of electronics, even though they are one of the most commonly found bio-induced materials, and are not only easy to mass-produce but also exhibit a high dielectric constant. Additionally, unlike proteins, which are gaining considerable interest with materials researchers, peptides are much simpler, rendering their original characteristics easier to maintain without significant alteration of their structure. On the other hand, proteins tend to deform due to their susceptibility to environmental changes. Combining such superb dielectric properties with their relatively stable nature, peptides could be utilized as a component of electronic devices ranging from basic capacitors to more complex thin-film transistors. In this paper, a peptide chain (YYACAYY) composed of tyrosine, alanine, and cysteine was extensively studied using an impedance analyzer to determine its innate charge movement mechanism in order to extend our understanding of the electric properties of peptides. The movement of mobile protons inside the peptide insulator was found to be the source of the high relative permittivity of the peptide insulator, and the dielectric constant of the peptide insulator was found to be over 17 in humid conditions. By widening the understanding of the dielectric properties of the peptide insulator, it is expected that the peptide can be further utilized as an insulator in various electronic devices. The Royal Society of Chemistry 2018-10-03 /pmc/articles/PMC9086689/ /pubmed/35548794 http://dx.doi.org/10.1039/c8ra06121a Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Sung, Taehoon
Namgung, Seok Daniel
Lee, Jaehun
Choe, Ik Rang
Nam, Ki Tae
Kwon, Jang-Yeon
Effects of proton conduction on dielectric properties of peptides
title Effects of proton conduction on dielectric properties of peptides
title_full Effects of proton conduction on dielectric properties of peptides
title_fullStr Effects of proton conduction on dielectric properties of peptides
title_full_unstemmed Effects of proton conduction on dielectric properties of peptides
title_short Effects of proton conduction on dielectric properties of peptides
title_sort effects of proton conduction on dielectric properties of peptides
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9086689/
https://www.ncbi.nlm.nih.gov/pubmed/35548794
http://dx.doi.org/10.1039/c8ra06121a
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