ICCAS OpenIR
Study on the Gel to Crystal Transition of a Novel Sugar-Appended Gelator
Cui, Jiaxi; Shen, Zhihao; Wan, Xinhua
2010-01-05
Source PublicationLANGMUIR
ISSN0743-7463
Volume26Issue:1Pages:97-103
Abstract4-(4'-Ethoxyphenyl)phenyl-beta-O-D-glucoside (1) was synthesized. A perfect crystal of I was obtained from all acetonitrile solution. In a mixture of water/1,4-dioxane (8/2, v/v), a gel formed at first and then collapsed into a needlelike crystal. The crystal and the gel were characterized by X-ray diffraction, UV-vis absorption, circular dichroism, Fourier transform infrared spectroscopy, and electron microscopy. It was found that the crystal formed from the gel had the same diffraction pattern Lis that of the single crystal from the acetonitrile solution, Suggesting identical molecular packing. In a monoclinic cell containing two molecules, molecules took a "T" arrangement with an antiparallel direction. In contrast, the diffraction pattern of xerogel from water/1,4-dioxane (8/2, v/v) displayed a d-spacing ratio of 1:1/2:1/3 (2.39, 1.18, and 0.78 nm), indicating an interdigitated bilayer structure. A molecular packing model from gel to crystal where molecular sheets would insert into each other with a glide movement was suggested, On the basis of the understanding of the deformation mechanism, ail additive was introduced to obtain a stable gel.
DOI10.1021/la9021382
Indexed BySCI
Language英语
WOS IDWOS:000272937500014
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:48[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71138
Collection中国科学院化学研究所
Corresponding AuthorShen, Zhihao
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, Key Lab Polymer Chem & Phys, Minist Educ,Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Cui, Jiaxi,Shen, Zhihao,Wan, Xinhua. Study on the Gel to Crystal Transition of a Novel Sugar-Appended Gelator[J]. LANGMUIR,2010,26(1):97-103.
APA Cui, Jiaxi,Shen, Zhihao,&Wan, Xinhua.(2010).Study on the Gel to Crystal Transition of a Novel Sugar-Appended Gelator.LANGMUIR,26(1),97-103.
MLA Cui, Jiaxi,et al."Study on the Gel to Crystal Transition of a Novel Sugar-Appended Gelator".LANGMUIR 26.1(2010):97-103.
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