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Constructing Large 2D Lattices Out of DNA-Tiles

机译：用DNA瓦片构建大型2D格子

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The predictable nature of deoxyribonucleic acid (DNA) interactions enables assembly of DNA into almost any arbitrary shape with programmable features of nanometer precision. The recent progress of DNA nanotechnology has allowed production of an even wider gamut of possible shapes with high-yield and error-free assembly processes. Most of these structures are, however, limited in size to a nanometer scale. To overcome this limitation, a plethora of studies has been carried out to form larger structures using DNA assemblies as building blocks or tiles. Therefore, DNA tiles have become one of the most widely used building blocks for engineering large, intricate structures with nanometer precision. To create even larger assemblies with highly organized patterns, scientists have developed a variety of structural design principles and assembly methods. This review first summarizes currently available DNA tile toolboxes and the basic principles of lattice formation and hierarchical self-assembly using DNA tiles. Special emphasis is given to the forces involved in the assembly process in liquid-liquid and at solid-liquid interfaces, and how to master them to reach the optimum balance between the involved interactions for successful self-assembly. In addition, we focus on the recent approaches that have shown great potential for the controlled immobilization and positioning of DNA nanostructures on different surfaces. The ability to position DNA objects in a controllable manner on technologically relevant surfaces is one step forward towards the integration of DNA-based materials into nanoelectronic and sensor devices.
机译：脱氧核糖核酸（DNA）相互作用的可预测性质使DNA能够与纳米精度的可编程特征与纳米精度的可编程特征组装成几乎任何任意形状。最近DNA纳米技术的进展允许生产具有高产和无差错组装过程的甚至更宽的可能形状。然而，这些结构中的大部分限制为纳米级。为了克服这种限制，已经进行了一种研究，以形成使用DNA组件作为构建块或瓷砖的更大的结构。因此，DNA瓦片已成为具有纳米精度的工程大型复杂结构的最广泛使用的建筑块之一。要创建具有高度的组织模式，甚至较大的组件，科学家们已经开发出多种结构设计原理和组装方法。本次审查首先总结了当前可用的DNA瓦工具箱和使用DNA瓦片的格子形成和分层自组装的基本原理。特别强调的是参与组装过程中的液 - 液的力量，并在固 - 液界面，以及如何掌握他们达到成功的自组装所涉及的交互之间的最佳平衡。此外，我们专注于那些对控制的制动表现出了极大的潜力和不同的表面上的DNA纳米结构的定位近来的方案。在技​​术上相关表面以可控的方式的能力位置DNA对象是一个步骤向前朝向集成基于DNA的材料的纳米电子进入和传感器设备。

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