期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 51, 页码 20645-20653出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja307785r
关键词
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资金
- Core Research for Evolutional Science and Technology (CREST) of JST
- MEXT, Japan
- Nagase Science and Technology Foundation
- China Scholarship Council (CSC)
- Grants-in-Aid for Scientific Research [24104002, 22310081] Funding Source: KAKEN
We demonstrate a novel strategy for constructing multidirectional programmed 2D DNA nanostructures in various unique patterns by introducing photoresponsive oligonucleotides (Azo-ODNs) into hexagonal DNA origami structures. We examined regulation of assembly and disassembly of DNA nanostructures reversibly by different photoirradiation conditions in a programmed manner. Azo-ODNs were incorporated to the hexagonal DNA origami structures, which were then employed as self-assembly units for building up nanosized architectures in regulated arrangements. By adjusting the numbers and the positions of Azo-ODNs in the hexagonal units, the specific nanostructures with face controlling can be achieved, resulting in construction of ring-shaped nanostructures. By combining DNA origami strategy with photoregulating system, remote controlling of assembly and disassembly of DNA nanostructures has been accomplished simply by photo irradiation.
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