DataVXAdvanced MaterialsPaper
journal article·2020-05

Site‐Specific Synthesis of Silica Nanostructures on DNA Origami Templates

Yingxu Shang, Na Li, Shengbo Liu, Ling Wang, Zhen‐Gang Wang, Zhong Zhang, Baoquan Ding

Advanced Materials· Volume 32· Issue 21
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Source abstract

Abstract

Abstract DNA origami has been widely investigated as a template for the organization of various functional elements, leading to potential applications in many fields such as biosensing, nanoelectronics, and nanophotonics. However, the synthesis of inorganic nonmetallic nanomaterials with predesigned patterns using DNA origami templates has seldom been explored. Here, a novel method is reported to site‐specifically synthesize silica nanostructures with designed patterns on DNA origami templates. The molecular dynamic simulation confirms that the positively charged silica precursors have a stronger electrostatic affinity to protruding double‐stranded DNA (dsDNA) than DNA origami surfaces. The work describes a novel strategy to fabricate silica nanostructures with nanoscale precision. Moreover, the site‐specific silicification of DNA nanoarchitectures expands the scope of customized synthesis of inorganic nonmetallic nanomaterials.
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Research context

Nanomaterials

OpenAlex topics: Advanced biosensing and bioanalysis techniques · Dendrimers and Hyperbranched Polymers · RNA Interference and Gene Delivery

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

CAS Key Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology 11 BeiYiTiao ZhongGuanCun Beijing 100190 China

School of Nanoscience and Technology University of Chinese Academy of Sciences Beijing 100049 China

Beijing Key Laboratory of Ionic Liquids Clean Process Key Laboratory of Green Process and Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 China

School of Materials Science and Engineering Zhengzhou University Zhengzhou 450001 China

Funding

National Natural Science Foundation of China · Science Fund for Creative Research Groups · National Basic Research Program of China · K. C. Wong Education Foundation · Chinese Academy of Sciences · Beijing Municipal Science and Technology Commission

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