期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 54, 期 10, 页码 2966-2969出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201410895
关键词
DNA origami; gold; nanoparticles; nanostructures; self-assembly
资金
- National Basic Research Program (973 Program) [2013CB932803, 2013CB825800, 2012CB932600]
- NSFC [91313302, 21390414, 21422508, 21305151, 21329501, 213051051, 91123037]
DNA origami has rapidly emerged as a powerful and programmable method to construct functional nanostructures. However, the size limitation of approximately 100nm in classic DNAorigami hampers its plasmonic applications. Herein, we report a jigsaw-puzzle-like assembly strategy mediated by gold nanoparticles (AuNPs) to break the size limitation of DNA origami. We demonstrated that oligonucleotide-functionalized AuNPs function as universal joint units for the one-pot assembly of parent DNA origami of triangular shape to form sub-microscale super-origami nanostructures. AuNPs anchored at predefined positions of the super-origami exhibited strong interparticle plasmonic coupling. This AuNP-mediated strategy offers new opportunities to drive macroscopic self-assembly and to fabricate well-defined nanophotonic materials and devices.
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