ArticleProceedings of the National Academy of Sciences of the United States of America2017
Using active colloids as machines to weave and braid on the micrometer scale.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Programming mechanics in knitted materials, stitch by stitch.Nature communications · 2024Article
- Morphology-Tailored Dynamic State Transition in Active-Passive Colloidal Assemblies.Research (Washington, D.C.) · 2024Article
- Cargo capture and transport by colloidal swarms.Science advances · 2020Article
- Active fluid with Acidithiobacillus ferrooxidans: correlations between swimming and the oxidation route.Journal of biological physics · 2019Article
- Real-time magnetic actuation of DNA nanodevices via modular integration with stiff micro-levers.Nature communications · 2018Article
- Shape-directed dynamics of active colloids powered by induced-charge electrophoresis.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Controlling motion at the microscopic scale is a fundamental goal in the development of biologically inspired systems. We show that the motion of active, self-propelled colloids can be sufficiently controlled for use as a tool to assemble complex structures such as braids and weaves out of microscopic filaments. Unlike typical self-assembly paradigms, these structures are held together by geometric constraints rather than adhesive bonds. The out-of-equilibrium assembly that we propose involves precisely controlling the 2D motion of active colloids so that their path has a nontrivial topology. We demonstrate with proof-of-principle Brownian dynamics simulations that, when the colloids are attached to long semiflexible filaments, this motion causes the filaments to braid. The ability of the active particles to provide sufficient force necessary to bend the filaments into a braid depends on a number of factors, including the self-propulsion mechanism, the properties of the filament, and the maximum curvature in the braid. Our work demonstrates that nonequilibrium assembly pathways can be designed using active particles.
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