期刊
NANO LETTERS
卷 16, 期 3, 页码 2108-2113出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.6b00381
关键词
DNA nanotechnology; DNA origami; triangulation; triangulated trusses; wireframe structures
类别
资金
- cfaed/DFG
- seed Grant by the DFG-Center for Regenerative Therapies Dresden (CRTD) [043_2615A6]
DNA nanotechnology offers unique control over matter on the nanoscale. Here, we extend the DNA origami method to cover a range of wireframe truss structures composed of equilateral triangles, which use less material per volume than standard multiple-helix bundles. From a flat truss design, we folded tetrahedral, octahedral, or irregular dodecahedral trusses by exchanging few connector strands. Other than standard origami designs, the trusses can be folded in low-salt buffers that make them compatible with cell culture buffers. The structures also have defined cavities that may in the future be used to precisely position functional elements such as metallic nanoparticles or enzymes. Our graph routing program and a simple design pipeline will enable other laboratories to make use of this valuable and potent new construction principle for DNA-based nanoengineering.
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