Controlling Supramolecular Chirality in Multicomponent Self-Assembled Systems,Accounts of Chemical Research

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Controlling Supramolecular Chirality in Multicomponent Self-Assembled Systems
Accounts of Chemical Research ( IF 16.4 ) Pub Date : 2018-09-04 00:00:00 , DOI: 10.1021/acs.accounts.8b00312
Pengyao Xing ₁ , Yanli Zhao _{1,

2}

Affiliation

Chirality exists as a ubiquitous phenomenon in nature, from molecular level l-amino acids, d-sugar, secondary structures of proteins, DNA, RNA, and nanoscale helices to macroscopic conch and even galaxy. The aggregation of molecular building blocks with or without chiral centers might bring about asymmetric spatial stacking, which further results in the appearance of nonsymmetry in extended scales like helical nanofibers. This phenomenon, known as supramolecular chirality, is an important branch of supramolecular and self-assembly chemistry, which relates intimately with biomimetics, asymmetric catalysis, and designing chiroptic advanced materials. One of the important research focuses among supramolecular chirality is about rational manipulation of chirality amplification and handedness, presenting a profound influence on the performance of resulting soft materials such as circularly polarized luminescence and cell adhesion on hydrogels. The control over supramolecular chirality normally relies on two factors, i.e., thermodynamic and kinetic variables dependent on molecular structural parameters and environmental contributions, respectively.

中文翻译：

控制多组分自组装系统中的超分子手性

手性形式存在于自然界普遍存在的现象，从分子水平升-氨基酸，d糖，蛋白质，DNA，RNA和纳米螺旋的二级结构到宏观的海螺甚至星系。具有或不具有手性中心的分子构件的聚集可能引起不对称的空间堆积，这进一步导致在扩展尺度上（如螺旋纳米纤维）出现不对称现象。这种现象被称为超分子手性，是超分子和自组装化学的重要分支，与仿生，不对称催化和设计先进的材料密切相关。超分子手性的重要研究重点之一是对手性扩增和手性的合理控制，对所得软材料的性能产生深远影响，如圆偏振发光和细胞对水凝胶的粘附。

更新日期：2018-09-04

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