溶液中における直鎖および環状アミロース誘導体の分子形態と分子間相互作用

Material type: 記事

Author: Terao, Ken

Publisher: 日本熱測定学会

Publication date: 2015-04-25

Material Format: Digital

Journal name: 熱測定 42 2

Publication Page: p.69-75

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Note (General)：: 出版タイプ： AMAmylose carbamate derivatives are suitable to investigate the relationship between the global conformation and local (intra- and/or intermole...

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Digital

Material Type: 記事
Title: 溶液中における直鎖および環状アミロース誘導体の分子形態と分子間相互作用
Author/Editor: Terao, Ken
Author Heading: Terao, Ken
https://nrid.nii.ac.jp/nrid/1000060334132
Publication, Distribution, etc.: 日本熱測定学会
Publication Date: 2015-04-25
Publication Date (W3CDTF): 2015
Alternative Title: Molecular Structure and Intermolecular Interactions of Linear and Cyclic Amylose Derivatives in Solution
Periodical title: 熱測定
No. or year of volume/issue: 42 2
Volume: 42
Issue: 2
Pages: 69-75
ISSN (Periodical Title): PISSN : 03862615
Subject Heading: polysaccharide derivatives
chain stiffness
isothermal calorimetry
second virial coefficient
topological interactions
Target Audience: 一般
Note (General): 出版タイプ： AM
Amylose carbamate derivatives are suitable to investigate the relationship between the global conformation and local (intra- and/or intermolecular) interactions because it has completely regular stereochemical structure. In this paper, we summarized our recent research for the global conformation influenced by intramolecular hydrogen bonds, packing of side groups, and intermolecular hydrogen bonds between the polymer and solvent molecules. Furthermore, isothermal calorimetry measurements were carried out for an amylose derivative in optically active solvents in which dimensional properties significantly change with enantiomer excess. Cyclic amylose derivative molecules which behave as rigid (or semiflexible) rings in solution were also reported. In some cases, the same helical structure and chain stiffness were found both for linear and cyclic chains in solution and significant topological interactions were observed for cyclic polymers as positive second virial coefficients in a theta solvent. In other cases, we observed appreciably different helical structures between linear and cyclic polymers. Moreover, intermolecular interactions between two segments are crucially different between linear and cyclic polymers. This is a characteristic feature for rigid cyclic polymers in solution.
Format (IMT): application/pdf
Source: Netsusokutei_42_2_69.pdf （fulltext）
https://ir.library.osaka-u.ac.jp/repo/ouka/all/81838/Netsusokutei_42_2_69.pdf
Access Restrictions: インターネット公開
Periodical Title (NCID): AN00199597
https://ci.nii.ac.jp/ncid/AN00199597
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 大阪大学 : 大阪大学学術情報庫　桜華