期刊
CHEMPLUSCHEM
卷 87, 期 1, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.202100478
关键词
DNA metallization; DNA nanotechnology; DNA origami; programmed assembly; silver nanowires
资金
- National Natural Science Foundation of China [21974087]
- Institute of Molecular Medicine of Shanghai Jiao Tong University and Recruitment Program of Global Youth Experts of China
This report demonstrates a method of bridging two linear DNA origami nanostructures using silver nanowires, which can be used to integrate functional components and bottom-up assembly for nanoelectronic applications.
DNA origami templates are known to exhibit many advantages to integrate functional components at desirable locations for nanoelectronic applications. In order to immobilize conducting or semiconducting species in a bottom-up approach, the programmed assembly of DNA templates is of utmost necessity. This report demonstrates the silver nanowires enabled bridging of two linear DNA origami (DO) nanostructures by utilizing the host-guest interaction of biotin-STV and sequence-specific silver metallization of poly(dG-dC) DNA nanowires (in 10 % yield) using (dA)(10) coated AgNPs (15 nm). The enzymatic synthesis of 750 bp, 1500 bp and 3000 bp bis-biotinylated poly(dG-dC), facile synthesis of 1 : 1 biotin-STV and silver-nanowire bridged DNA templates were characterized by gel electrophoresis, atomic force microscope imaging techniques. The strategy utilized here provides a method that can precisely connect heterogeneous templates towards bottom-up fabrication of practical nanoelectronics.
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