Self-Assembled Artificial Nanocilia Actuators

Kang Minsu; Seong Minho; Lee DonghyukKang Seong MinKwak Moon KyuJeong Hoon Eui

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Self-Assembled Artificial Nanocilia Actuators

机译：Self-Assembled Artificial Nanocilia Actuators

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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.

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来源
《Advanced Materials》 |2022年第24期|2200185.1-2200185.10|共10页
作者
Kang Minsu; Seong Minho; Lee DonghyukKang Seong MinKwak Moon KyuJeong Hoon Eui;
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作者单位

Ulsan Natl Inst Sci & Technol UNIST, Dept Mech Engn, Ulsan 44919, South Korea;

Chungnam Natl Univ, Dept Mech Engn, Daejeon 34134, South Korea;

Kyungpook Natl Univ, Dept Mech Engn, Daegu 41566, South Korea;

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原文格式 PDF
正文语种英语
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关键词
actuators; cilia; magnetic nanoparticles; nanobearings; self-assembly;

Self-Assembled Artificial Nanocilia Actuators

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