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Chaperone-Assisted Formation of Cucurbit[8]uril-Based Molecular Porous Materials with One-Dimensional Channel Structure
Langmuir ( IF 3.7 ) Pub Date : 2016-08-25 00:00:00 , DOI: 10.1021/acs.langmuir.6b02365
Wei Zhu 1 , Chen Wang 1 , Yue Lan 1 , Jian Li 1 , Hui Wang 1 , Ning Gao 1 , Jingwei Ji 1 , Guangtao Li 1
Affiliation  

Exploiting “chaperone molecule” to navigate the successful assembly energy landscapes has been extensively used in biological systems, whereas in artifical supramolecular systems the “chaperone-assisted” assembly strategy to be used for the synthesis of materials with novel structures or the structures to be hardly prepared by “conventional” methods are still far from realizing the potential functions. In this work, we present a new example of small organic molecule acting as “chaperone molecule” in the facile formation of organic molecular porous materials. This porous material is composed of pure cucurbit[8]uril (CB[8]) macrocycle and possesses a honeycomb-like structure with an isolated and relatively large one-dimensional (1D) nanochannel. Moreover, it has good chemical and thermal stability, and shows a good adsorption capability for large molecule loading. Importantly, with the assistance of chaperone molecules, pure CB[8] could also be recycled even from a complex aqueous solution, demonstrating a powerful purification method of CB[8] from complex systems.

中文翻译:

分子伴侣辅助形成一维通道结构葫芦[8]尿素基分子多孔材料

利用“分子伴侣分子”来导航成功的组装能态势已广泛应用于生物系统,而在人工超分子系统中,“分子伴侣辅助”的组装策略可用于合成具有新颖结构或几乎没有结构的材料通过“常规”方法准备的功能还远远没有实现潜在功能。在这项工作中,我们提出了一个小的有机分子在有机分子多孔材料的容易形成中充当“分子伴侣”的新例子。这种多孔材料由纯葫芦[8]尿素(CB [8])大环组成,并具有蜂窝状结构,具有孤立且相对较大的一维(1D)纳米通道。而且,它具有良好的化学和热稳定性,对大分子负载显示出良好的吸附能力。重要的是,借助分子伴侣分子,甚至可以从复杂的水溶液中回收纯CB [8],这证明了从复杂系统中纯化CB [8]的有效方法。
更新日期:2016-08-25
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