期刊
ACS NANO
卷 6, 期 6, 页码 5138-5142出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn300813w
关键词
DNA; nanostructures; self-assembly; supramolecular chemistry; nanocages
类别
资金
- Office of Naval Research and the National Science Foundation of China [81028001]
This paper reports a strategy for DNA self-assembly. Cross-over-based DNA nanomotifs are held together by T-junctions Instead of commonly used sticky-end cohesion. We have demonstrated this strategy by assembling a DNA tetrahedron, an octahedron, and an icosahedron. The resulting DNA polyhedra contain out-pointing, short DNA hairpin spikes. These hairpins are well-structured relative to the polyhedra core and provide potential locations for introduction of functional chemicals such as proteins and gold nanoparticles. The T-linked DNA polyhedra have been characterized by polyacrylamide gel electrophoresis, atomic force microscopy, and dynamic light scattering.
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