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高等学校化学研究 ›› 2020, Vol. 36 ›› Issue (2): 268-273.doi: 10.1007/s40242-019-0028-z

• Articles • 上一篇    下一篇

Self-assembly of DNA Nanostructures via Bioinspired Metal Ion Coordination

WANG Congli1,2, DI Zhenghan1,2, FAN Zetan1, LI Lele1,2   

  1. 1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China;
    2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
  • 收稿日期:2019-10-29 修回日期:2019-12-06 出版日期:2020-04-01 发布日期:2019-12-16
  • 通讯作者: LI Lele E-mail:lilele@nanoctr.cn
  • 基金资助:
    Supported by the National Natural Science Foundation of China(Nos.21822401, 21771044) and the Young Thousand Talented Program of China.

Self-assembly of DNA Nanostructures via Bioinspired Metal Ion Coordination

WANG Congli1,2, DI Zhenghan1,2, FAN Zetan1, LI Lele1,2   

  1. 1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China;
    2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
  • Received:2019-10-29 Revised:2019-12-06 Online:2020-04-01 Published:2019-12-16
  • Contact: LI Lele E-mail:lilele@nanoctr.cn
  • Supported by:
    Supported by the National Natural Science Foundation of China(Nos.21822401, 21771044) and the Young Thousand Talented Program of China.

摘要: Despite a growing interest in DNA nanomaterials, their simple synthesis remains a challenge. A simple and general strategy for constructing DNA-based nanomaterials by metal ion coordination is reported. The metal-DNA nanoparticles(NPs) could be synthesized with DNA molecules of diverse sequence and various metal ions of intrinsic property, resulting in multifunctional NPs with the combined advantages of both inorganic and DNA building blocks. It is demonstrated that the hybrid metal-DNA NPs could be engineered for magnetic resonance and luminescence imaging, encapsulation of multifarious nucleic acids with controlled ratio, and co-assembly with small drug molecules. Furthermore, because these metal-DNA NPs exhibited enhanced cellular uptake compared to free synthetic DNA, they hold potential for applications in diagnostics and therapeutics.

关键词: DNA nanotechnology, Metal ion coordination, Self-assembly

Abstract: Despite a growing interest in DNA nanomaterials, their simple synthesis remains a challenge. A simple and general strategy for constructing DNA-based nanomaterials by metal ion coordination is reported. The metal-DNA nanoparticles(NPs) could be synthesized with DNA molecules of diverse sequence and various metal ions of intrinsic property, resulting in multifunctional NPs with the combined advantages of both inorganic and DNA building blocks. It is demonstrated that the hybrid metal-DNA NPs could be engineered for magnetic resonance and luminescence imaging, encapsulation of multifarious nucleic acids with controlled ratio, and co-assembly with small drug molecules. Furthermore, because these metal-DNA NPs exhibited enhanced cellular uptake compared to free synthetic DNA, they hold potential for applications in diagnostics and therapeutics.

Key words: DNA nanotechnology, Metal ion coordination, Self-assembly