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Updated: Jul 20, 2026
10:23
Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles
Published on: May 8, 2015
DNA-directed self-assembling of carbon nanotubes
Sinan Li1, Pingang He, Jianhua Dong
1Department of Polymer Engineering, The University of Akron, Akron, Ohio 44325-0301, USA.
Journal of the American Chemical Society
|January 6, 2005
Summary
Researchers created complex structures using DNA to assemble carbon nanotubes and gold nanoparticles. This advance enables new multifunctional materials and devices.
Area of Science:
- Materials Science
- Nanotechnology
- Biotechnology
Background:
- Self-assembly is a key process in nanotechnology.
- Carbon nanotubes and gold nanoparticles are crucial nanomaterials.
Purpose of the Study:
- To construct multicomponent structures using DNA-directed self-assembly.
- To explore applications in multifunctional materials and devices.
Main Methods:
- Utilized DNA-directed self-assembly.
- Integrated multiple carbon nanotubes and gold nanoparticles.
Main Results:
- Successfully constructed multicomponent nanotube structures.
- Demonstrated the feasibility of DNA-templated nanomaterial assembly.
Conclusions:
- DNA-directed self-assembly is effective for creating complex nanomaterial architectures.
- This approach offers potential for advanced material and device applications.
Related Concept Videos
00:58DNA Packaging
Overview
02:21Chromatin Packaging
Each human somatic cell contains 6 billion base-pairs of DNA. Each base-pair is 0.34 nm long, which means that each diploid cell contains a staggering 2 meters of DNA. How is such a long DNA strand packed inside a nucleus measuring only 10 - 20 microns in diameter?
The chromatin
In combination with specialized DNA binding protein called Histones, the DNA double helix forms a compact DNA: protein complex called chromatin. The chromatin itself is further compacted into higher-order structures.
The chromatin
In combination with specialized DNA binding protein called Histones, the DNA double helix forms a compact DNA: protein complex called chromatin. The chromatin itself is further compacted into higher-order structures.
01:32Chromatin Packaging
Each human somatic cell contains 6 billion base pairs of DNA. Each base pair is 0.34 nm long, meaning each diploid cell contains a staggering 2 meters of DNA. This long DNA strand is packed inside a nucleus measuring only 10-20 microns in diameter with the help of specialized DNA-binding proteins called histones. Together they form a compact DNA-protein complex called chromatin. The chromatin is further compacted into higher-order structures. The highest level of compaction is achieved during...