ArticleProceedings of the National Academy of Sciences of the United States of America2016
Control of active liquid crystals with a magnetic field.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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Who cites it
45 citing papers in PubMed.
- Porous Hybrid Soft Actuators From Liquid Crystal Networks and Lyotropic Chromonic Liquid Crystal Templated Hydrogels.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Topological signatures of collective dynamics and turbulent-like energy cascades in apolar active granular matter.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Active nematic pumps.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Orienting field effects on the flow of an active nematic liquid crystal in a channel.The European physical journal. E, Soft matter · 2025Article
- Surface Rolling Active Magnetic Emulsions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Asymmetric fluctuations and self-folding of active interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Surface Topography Induces and Orients Nematic Swarms of Active Filaments: Considerations for Lab-On-A-Chip Devices.ACS applied nano materials · 2024Article
- Design rules for controlling active topological defects.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Motor crosslinking augments elasticity in active nematics.Soft matter · 2024Article
- Probing active nematics with in situ microfabricated elastic inclusions.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Moiré effect enables versatile design of topological defects in nematic liquid crystals.Nature communications · 2024Article
- Spatio-temporal patterning of extensile active stresses in microtubule-based active fluids.PNAS nexus · 2023Article
- Active boundary layers in confined active nematics.Nature communications · 2022Article
- Active transformations of topological structures in light-driven nematic disclination networks.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Topography-induced large-scale antiparallel collective migration in vascular endothelium.Nature communications · 2022Article
- Review
- Logic operations with active topological defects.Science advances · 2022Article
- Nano/Micromotors in Active Matter.Micromachines · 2022Review
- Activity waves and freestanding vortices in populations of subcritical Quincke rollers.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Submersed micropatterned structures control active nematic flow, topology, and concentration.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Living cells sense the mechanical features of their environment and adapt to it by actively remodeling their peripheral network of filamentary proteins, known as cortical cytoskeleton. By mimicking this principle, we demonstrate an effective control strategy for a microtubule-based active nematic in contact with a hydrophobic thermotropic liquid crystal. By using well-established protocols for the orientation of liquid crystals with a uniform magnetic field, and through the mediation of anisotropic shear stresses, the active nematic reversibly self-assembles with aligned flows and textures that feature orientational order at the millimeter scale. The turbulent flow, characteristic of active nematics, is in this way regularized into a laminar flow with periodic velocity oscillations. Once patterned, the microtubule assembly reveals its intrinsic length and time scales, which we correlate with the activity of motor proteins, as predicted by existing theories of active nematics. The demonstrated commanding strategy should be compatible with other viable active biomaterials at interfaces, and we envision its use to probe the mechanics of the intracellular matrix.
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