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Light‐Controlled Ion Transport through Biomimetic DNA‐Based Channels
Author(s) -
Li Pei,
Xie Ganhua,
Kong XiangYu,
Zhang Zhen,
Xiao Kai,
Wen Liping,
Jiang Lei
Publication year - 2016
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201609161
Subject(s) - azobenzene , dna , ultraviolet light , nanotechnology , biocompatibility , materials science , ion , chemistry , optoelectronics , polymer , organic chemistry , biochemistry , metallurgy , composite material
Light‐controlled nanochannels are fabricated through self‐assembling azobenzene‐incorporated DNA (Azo‐DNA) strands to regulate ion transport. By switching between collapsed and relaxed states using visible and ultraviolet light alternately, the Azo‐DNA channels can be opened and closed because the conformation of Azo‐DNA changes, that is, Azo‐DNA is used as switchable controlling unit. In addition to sharing short response time and reversibility with other photoresponsive apparatuses, the Azo‐DNA‐based nanochannel system has advantages in good biocompatibility and versatile design, which could potentially be applied in light‐controlled drug release, optical information storage, and logic networks.