Inclusional association as studied by the drying dissipative structure. Part 1. Drying patterns of α-, β- and γ-cyclodextrin
Inclusional association as studied by the drying dissipative structure. Part 1. Drying patterns of α-, β- and γ-cyclodextrin
复制标题
通过干燥耗散结构研究的包合缔合第 1 部分：α-、β- 和 γ-环糊精的干燥模式。
DOI：
10.1007/s00396-013-2972-3
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发表时间：
2013
影响因子：
2.4
通讯作者：
T. Okubo
中科院分区：
文献类型：
--
作者：
T. Okubo
在α-环糊精（αCD）、β-环糊精（βCD）和γ-环糊精（γCD）水溶液的干燥过程中，在盖玻片、表面皿和陪替氏玻璃皿上观察到宏观和微观干燥模式，即，多糖的锥形低聚物。对于所有CD分子，形成两种宏观图案，外部和内部宽环和辐线。βCD在主宽环的内侧形成多宽环，特别是在高浓度时。阐明了对流、沉降和固化协同干燥过程。主要在沿着轮辐线方向观察到显示棒状和/或剑状晶体形成的显微干燥图案。β-CD的显微结构与作者以前研究的某些多糖和多核苷酸相似。α-和γ-环糊精具有轻微吸湿性，未观察到明显的干燥模式。
Macroscopic and microscopic drying patterns were observed on a cover glass, a watch glass, and a Petri glass dish during the course of dryness of aqueous solutions of α-cyclodextrin (αCD), β-cyclodextrin (βCD), and γ-cyclodextrin (γCD), i.e., cone shape oligomers of polysaccharide. For all CD molecules, two kinds of macroscopic patterns, outside and inner broad rings and spoke lines formed. Multi-broad rings were formed for βCD in the inner region of the main broad ring at the outside edge especially at the high concentrations. Cooperative drying processes of the convection, sedimentation, and solidification were clarified. Microscopic drying patterns showing the formation of rod-like and/or sward-like crystals were observed mainly in the direction along the spoke lines. The microscopic patterns of βCD were similar to those of some of polysaccharides and polynucleotides the authors studied previously. α- and γ-cyclodextrins were slightly hygroscopic, and clear-cut drying patterns were not observed.
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DOI：
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发表时间：
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