ArticleScience advances2018
Tunable structure and dynamics of active liquid crystals.
Article in Science advances, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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Who cites it
49 citing papers in PubMed.
- Coupling of colloidal rods to the dynamic order of active nematic films.Soft matter · 2026Article
- Topological control of spontaneous failure in active nematic solids.Nature materials · 2026Article
- Traction and Stress Control Formation and Motion of +1/2 Topological Defects in Epithelial Cell Monolayers.Newton ((New York, N.Y.) · 2025Article
- Transverse Self-Propulsion Enhances the Aggregation of Active Dumbbells.Entropy (Basel, Switzerland) · 2025Article
- Topology controls flow patterns in active double emulsions.Nature communications · 2025Article
- Direct detection of deformation modes on varying length scales in active biopolymer networks.bioRxiv : the preprint server for biology · 2025Article
- Asymmetric fluctuations and self-folding of active interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Spontaneous assembly of condensate networks during the demixing of structured fluids.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Structure and dynamics of motor-driven microtubule bundles.Soft matter · 2024Article
- Surface Topography Induces and Orients Nematic Swarms of Active Filaments: Considerations for Lab-On-A-Chip Devices.ACS applied nano materials · 2024Article
- Motor crosslinking augments elasticity in active nematics.Soft matter · 2024Article
- [The Dynamic Model of the Active-Inactive Cell Interface].Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition · 2024Article
- Microscopic interactions control a structural transition in active mixtures of microtubules and molecular motors.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Flow-induced periodic chiral structures in an achiral nematic liquid crystal.Nature communications · 2024Article
- Article
- Measuring response functions of active materials from data.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Physically informed data-driven modeling of active nematics.Science advances · 2023Article
- Molecular-scale substrate anisotropy, crowding and division drive collective behaviours in cell monolayers.Journal of the Royal Society, Interface · 2023Article
- Spatio-temporal patterning of extensile active stresses in microtubule-based active fluids.PNAS nexus · 2023Article
- Defect self-propulsion in active nematic films with spatially varying activity.Royal Society open science · 2023Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Active materials are capable of converting free energy into directional motion, giving rise to notable dynamical phenomena. Developing a general understanding of their structure in relation to the underlying nonequilibrium physics would provide a route toward control of their dynamic behavior and pave the way for potential applications. The active system considered here consists of a quasi-two-dimensional sheet of short (≈1 μm) actin filaments driven by myosin II motors. By adopting a concerted theoretical and experimental strategy, new insights are gained into the nonequilibrium properties of active nematics over a wide range of internal activity levels. In particular, it is shown that topological defect interactions can be led to transition from attractive to repulsive as a function of initial defect separation and relative orientation. Furthermore, by examining the +1/2 defect morphology as a function of activity, we found that the apparent elastic properties of the system (the ratio of bend-to-splay elastic moduli) are altered considerably by increased activity, leading to an effectively lower bend elasticity. At high levels of activity, the topological defects that decorate the material exhibit a liquid-like structure and adopt preferred orientations depending on their topological charge. Together, these results suggest that it should be possible to tune internal stresses in active nematic systems with the goal of designing out-of-equilibrium structures with engineered dynamic responses.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.