Computer-Aided Production of Scaffolded DNA Nanostructures from Flat Sheet Meshes.

Computer-Aided Production of Scaffolded DNA Nanostructures from Flat Sheet Meshes.
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DOI:
10.1002/anie.201602446
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发表时间:
2016-07-25
期刊:
Angewandte Chemie (International ed. in English)
影响因子:
--
通讯作者:
Högberg B
Högberg B
中科院分区:
其他
文献类型:
--
作者:
Benson E;Mohammed A;Bosco A;Teixeira AI;Orponen P;Högberg B

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自20世纪80年代以来,DNA作为纳米级建筑材料的使用一直是一个快速发展的领域,特别是自2006年引入支架DNA折纸以来。尽管有用于DNA折纸设计的软件,但用户通常仅限于找到穿过物体的脚手架路径的架构。在这里,我们演示了数字网格形式的任意二维片到支架DNA纳米结构的自动转换。我们研究了基于三种不同内部骨架的DNA网状结构在标准折叠缓冲液和生理盐缓冲液中的性质。然后,我们使用三角化的内部框架,产生具有复杂轮廓和内部特征的四个2D结构。我们证明了这种高度自动化的技术能够生产复杂的DNA纳米结构,这些结构可以按照编程配置以高产量折叠,覆盖的表面积比传统的折纸平板多约70% 。
The use of DNA as a nanoscale construction material has been a rapidly developing field since the 1980s, in particular since the introduction of scaffolded DNA origami in 2006. Although software is available for DNA origami design, the user is generally limited to architectures where finding the scaffold path through the object is trivial. Herein, we demonstrate the automated conversion of arbitrary two‐dimensional sheets in the form of digital meshes into scaffolded DNA nanostructures. We investigate the properties of DNA meshes based on three different internal frameworks in standard folding buffer and physiological salt buffers. We then employ the triangulated internal framework and produce four 2D structures with complex outlines and internal features. We demonstrate that this highly automated technique is capable of producing complex DNA nanostructures that fold with high yield to their programmed configurations, covering around 70 % more surface area than classic origami flat sheets.
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