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Jeong, Hoon Eui
Multiscale Biomimetics & Manufacturing Lab
Research Interests
  • Biomimetics
  • Multiscale manufacturing
  • Micro/nanofabrication

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Self-Assembled Artificial Nanocilia Actuators

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Title
Self-Assembled Artificial Nanocilia Actuators
Author
Kang, MinsuSeong, MinhoLee, DonghyukKang, Seong MinKwak, Moon KyuJeong, Hoon Eui
Issue Date
2022-06
Publisher
WILEY-V C H VERLAG GMBH
Citation
ADVANCED MATERIALS, v.34, no.24, pp.2200185
Abstract
Self-assembly of nanoparticles (NPs) is a powerful route to constructing higher-order structures. However, the programmed self-assembly of NPs into non-close-packed, 3D, shape-morphing nanocilia arrays remains elusive, whereas dynamically actuated nanometer cilia are universal in living systems. Here, a programmable self-assembly strategy is presented that can direct magnetic NPs into a highly ordered responsive artificial nanocilia actuator with exquisite nanometer 3D structural arrangements. The self-assembled artificial NP cilia can maintain their structural integrity through the interplay of interparticle interactions. Interestingly, the nanocilia can exhibit a field-responsive actuation motion through "rolling and sliding" between assembled NPs rather than bending the entire ciliary beam. It is demonstrated that oleic acid coated over the NPs acts as a lubricating bearing and enables the rolling/sliding-based actuation of the cilia.
URI
https://scholarworks.unist.ac.kr/handle/201301/58649
URL
https://onlinelibrary.wiley.com/doi/10.1002/adma.202200185
DOI
10.1002/adma.202200185
ISSN
0935-9648
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