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Article: Compressed-exponential relaxations in supercooled liquid trehalose

TitleCompressed-exponential relaxations in supercooled liquid trehalose
Authors
Seo, Jeong AhKwon, Hyun JoungKataoka, KunimitsuOhshima, Ken IchiShin, Dong MyeongKim, Hyung KookHwang, Yoon Hwae
KeywordsDisaccharides
Trehalose
Sugar glass
Relaxations
Compressed-exponential
Issue Date2012
Citation
Current Applied Physics, 2012, v. 12, n. 6, p. 1548-1552 How to Cite?
DOI: http://dx.doi.org/10.1016/j.cap.2012.04.034
AbstractWe investigated the α-relaxations in supercooled liquid trehalose by using photon correlation spectroscopy (PCS) and found an interesting compressed-exponential relaxation at temperatures above 140 °C. The q -1 dependence of its relaxation time corresponds to an ultraslow ballistic motion due to the local structure rearrangements. In the same temperature range, we found the glycosidic bond structure changes in trehalose molecule from the Raman scattering and the X-ray direction measurements. We concluded that the compressed-exponential relaxation in supercooled liquid trehalose might originate from the intra-molecular (glycosidic bond) structure change. © 2012 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/273517
ISSN
1567-1739
2021 Impact Factor: 2.856
2020 SCImago Journal Rankings: 0.553
ISI Accession Number ID
WOS:000306420500025

 

DC FieldValueLanguage
dc.contributor.authorSeo, Jeong Ah-
dc.contributor.authorKwon, Hyun Joung-
dc.contributor.authorKataoka, Kunimitsu-
dc.contributor.authorOhshima, Ken Ichi-
dc.contributor.authorShin, Dong Myeong-
dc.contributor.authorKim, Hyung Kook-
dc.contributor.authorHwang, Yoon Hwae-
dc.date.accessioned2019-08-12T09:55:49Z-
dc.date.available2019-08-12T09:55:49Z-
dc.date.issued2012-
dc.identifier.citationCurrent Applied Physics, 2012, v. 12, n. 6, p. 1548-1552-
dc.identifier.issn1567-1739-
dc.identifier.urihttp://hdl.handle.net/10722/273517-
dc.description.abstractWe investigated the α-relaxations in supercooled liquid trehalose by using photon correlation spectroscopy (PCS) and found an interesting compressed-exponential relaxation at temperatures above 140 °C. The q -1 dependence of its relaxation time corresponds to an ultraslow ballistic motion due to the local structure rearrangements. In the same temperature range, we found the glycosidic bond structure changes in trehalose molecule from the Raman scattering and the X-ray direction measurements. We concluded that the compressed-exponential relaxation in supercooled liquid trehalose might originate from the intra-molecular (glycosidic bond) structure change. © 2012 Elsevier B.V. All rights reserved.-
dc.languageeng-
dc.relation.ispartofCurrent Applied Physics-
dc.subjectDisaccharides-
dc.subjectTrehalose-
dc.subjectSugar glass-
dc.subjectRelaxations-
dc.subjectCompressed-exponential-
dc.titleCompressed-exponential relaxations in supercooled liquid trehalose-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.cap.2012.04.034-
dc.identifier.scopuseid_2-s2.0-84863983026-
dc.identifier.volume12-
dc.identifier.issue6-
dc.identifier.spage1548-
dc.identifier.epage1552-
dc.identifier.isiWOS:000306420500025-
dc.identifier.issnl1567-1739-

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