ArticleSoft matter2019
Statistical properties of autonomous flows in 2D active nematics.
Article in Soft matter, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Article
- Coupling of colloidal rods to the dynamic order of active nematic films.Soft matter · 2026Article
- Discontinuous transition to active nematic turbulence.Nature communications · 2025Article
- Heterogeneous distribution of kinesin-streptavidin complexes revealed by mass photometry.Soft matter · 2024Article
- Motor crosslinking augments elasticity in active nematics.Soft matter · 2024Article
- 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
- Defect self-propulsion in active nematic films with spatially varying activity.Royal Society open science · 2023Article
- Active boundary layers in confined active nematics.Nature communications · 2022Article
- Self-mixing in microtubule-kinesin active fluid from nonuniform to uniform distribution of activity.Nature communications · 2022Article
- Competing instabilities reveal how to rationally design and control active crosslinked gels.Nature communications · 2022Article
- Mesoscopic simulations of active nematics.Science advances · 2022Article
- Extensile to contractile transition in active microtubule-actin composites generates layered asters with programmable lifetimes.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Flow around topological defects in active nematic films.Proceedings. Mathematical, physical, and engineering sciences · 2022Article
- Modeling spatiotemporally varying protein-protein interactions in CyLaKS, the Cytoskeleton Lattice-based Kinetic Simulator.The European physical journal. E, Soft matter · 2021Article
- Flow coupling between active and passive fluids across water-oil interfaces.Scientific reports · 2021Article
- Comparison of explicit and mean-field models of cytoskeletal filaments with crosslinking motors.The European physical journal. E, Soft matter · 2021Article
- Learning active nematics one step at a time.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Machine learning active-nematic hydrodynamics.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Confinement-induced self-organization in growing bacterial colonies.Science advances · 2021Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
We study the dynamics of a tunable 2D active nematic liquid crystal composed of microtubules and kinesin motors confined to an oil-water interface. Kinesin motors continuously inject mechanical energy into the system through ATP hydrolysis, powering the relative microscopic sliding of adjacent microtubules, which in turn generates macroscale autonomous flows and chaotic dynamics. We use particle image velocimetry to quantify two-dimensional flows of active nematics and extract their statistical properties. In agreement with the hydrodynamic theory, we find that the vortex areas comprising the chaotic flows are exponentially distributed, which allows us to extract the characteristic system length scale. We probe the dependence of this length scale on the ATP concentration, which is the experimental knob that tunes the magnitude of the active stress. Our data suggest a possible mapping between the ATP concentration and the active stress that is based on the Michaelis-Menten kinetics that governs the motion of individual kinesin motors.
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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.