Self-assembly of channel type β-CD dimers induced by dodecane.

Self-assembly of channel type β-CD dimers induced by dodecane.
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十二烷诱导通道型β-CD二聚体的自组装

DOI:
10.1038/srep07533
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发表时间:
2014-12-22
期刊:
影响因子:
4.6
通讯作者:
Huang J
Huang J
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zhou C;Cheng X;Zhao Q;Yan Y;Wang J;Huang J

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环糊精(CD)很难自组装成明确定义的结构。在这里,我们报告,如果他们预组装成通道类型的二聚体辅助十二烷,明确定义的囊泡和砖可以形成。与传统的疏水作用驱动的两亲分子自组装不同,通道型十二烷@2 β-CD超分子结构单元的自组装主要由氢键驱动.在冻干的囊泡中发现了比在砖块中更多的水分子,这表明水分子在β-CD的通道型二聚体的自组装中起重要作用。自组装过程中结构水的含量与最终自组装结构的曲率密切相关。我们的工作揭示了β-CD的通道型二聚体可能代表了一种新的高级结构的构建块。
Cyclodextrins (CDs) can hardly self-assemble into well-defined structures. Here we report if they preassemble into channel type dimers assisted by dodecane, well-defined vesicles and bricks can be formed. Unlike the traditional self-assembly of amphiphilic molecules driven by hydrophobic effect, the self-assembly of the channel type dodecane@2β-CD supramolecular building block is predoninantly driven by hydrogen-bonds. More water molecules are found in the lyophilized vesicles than in the bricks, suggesting water molecules play an important role in the self-assembly of the channel-type dimers of β-CD. The amount of structural water in the self-assembly is closely related to the curvature of the final self-assembled structures. Our work reveals that the channel-type dimer of β-CD may represent a new sort of building block for advanced structures.
DOI: 10.1021/bm4000019
发表时间: 2013-05-13
期刊: Biomacromolecules
影响因子: 6.2
作者:
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