Photoresponsive supramolecular complexes as efficient DNA regulator.

Photoresponsive supramolecular complexes as efficient DNA regulator.
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光响应超分子复合物作为高效 DNA 调节剂

DOI:
10.1038/srep04210
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发表时间:
2014-02-27
期刊:
影响因子:
4.6
通讯作者:
Liu Y
Liu Y
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Cheng HB;Zhang YM;Xu C;Liu Y

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通过瓜环[8]与偶氮苯和双吡啶的杂原子客体对在水溶液中的可控选择性络合过程,成功地合成了两种反式-1-溴-2-溴-8-脲[8]的超分子配合物,表现出CB[8]在偶氮苯轴组分光可控异构化过程中的可逆光驱动运动.研究结果表明,所合成的类超分子配合物及其相应的[2]类轮烷类化合物可以作为一种很有前途的聚集剂和切割剂来调控与DNA分子的结合行为.
Two supramolecular complexes of trans-1⊂CB[8] and trans-2⊂CB[8] were successfully achieved by the controlled selective complexation process of cucurbit[8]uril (CB[8]) with hetero-guest pair containing azobenzene and bispyridinium moieties in aqueous solution, exhibiting the reversibly light-driven movements of CB[8] upon the photocontrollable isomerization of azophenyl axle components. Significantly, the obtained bistable supramolecular complexes and their corresponding [2]pseudorotaxanes could act as a promising concentrator and cleavage agent to regulate the binding behaviors with DNA molecules.
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