Self-assembled capsules of unprecedented shapes.

Self-assembled capsules of unprecedented shapes.
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DOI:
10.1002/anie.201102548
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发表时间:
2011-12-09
影响因子:
16.6
通讯作者:
Rebek, Julius, Jr.
Rebek, Julius, Jr.
中科院分区:
化学1区
文献类型:
--
作者:
Tiefenbacher, Konrad;Ajami, Dariush;Rebek, Julius, Jr.

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可逆封装允许分子在非常小的空间内暂时隔离。在这种情况下,分子行为与散装溶剂中的分子行为有很大的不同;在胶囊中,识别可以被放大,[1]反应中间体可以被稳定,[2]反应可以被加速[3]甚至催化[4],新的反应途径可以出现因此,在过去的二十年里,许多胶囊被设计出来。主要的内聚力——共价键[6]氢键[7]金属和配体,[2a-c, 4c, 8]或简单的疏水效应[9]——被用来将胶囊连接在一起,并且有多种结构可供选择。然而,自组装过程由于其包含多个亚基的本质,往往会产生高度对称的空腔形状,如球体、多面体和圆柱体。
Reversible encapsulation allows the temporary isolation of molecules in very small spaces. There, molecular behavior is quite different than that in bulk solvent; in capsules recognition can be amplified,[1] reactive intermediates can be stabilized,[2] reactions can be accelerated [3] or even catalyzed [4] and new reaction pathways can appear.[5] Accordingly, a multitude of capsules have been devised over the last two decades. The main cohesive forces—covalent bonds,[6] hydrogen bonds [7] metals and ligands,[2a–c, 4c, 8] or simple hydrophobic effects [9]—are used to hold the capsules together and a variety of structures are available. Yet the self-assembly processes by their very nature of incorporating multiple subunits tend to create cavity shapes of high symmetry such as spheres, polyhedra and cylinders.
DOI: 10.1021/ja0657915
发表时间: 2006-11-15
影响因子: 15
作者:
Dong, Vy M.;Fiedler, Dorothea;Raymond, Kenneth N.
通讯作者: Raymond, Kenneth N.
DOI: 10.1002/anie.200702245
发表时间: 2007-01-01
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期刊: NATURE
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