Self-Assembly of DNA Rings from Scaffold-Free DNA Tiles

被引：26

作者：

Yang, Yang ^{[1
]}

Zhao, Zhao ^{[1
,2
]}

Zhang, Fei ^{[1
,2
]}

Nangreave, Jeanette ^{[1
]}

Liu, Yan ^{[1
,2
]}

Yan, Hao ^{[1
,2
]}

机构：

[1] Arizona State Univ, Ctr Single Mol Biophys, Biodesign Inst, Tempe, AZ 85287 USA

[2] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA

来源：

NANO LETTERS | 2013年 / 13卷 / 04期

基金：

美国国家科学基金会;

关键词：

DNA rings; scaffold free; DNA nanotechnology; DNA self-assembly; NANOSCALE SHAPES; FOLDING DNA; ORIGAMI; NANOPARTICLES; ARRAYS;

D O I：

10.1021/nl400859d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a scaffold-free approach in which four- and six-helix DNA bundle units, assembled from a small number of single stranded DNA oligonucleotides precisely arranged in networks of contiguous and semicrossover strands, are connected into DNA nano rings. Nearly uniform structures with well-defined diameters of 53 +/- 7, 81 +/- 9, 85 +/- 8, and 166 +/- 13 nm were achieved by introducing uniform, in-plane curvature to the repeating units. We demonstrate that precise higher order assemblies can be achieved by fine tuning the particular features of the individual building blocks.

引用

页码：1862 / 1866

页数：5

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