Results 151 to 160 of about 12,892 (173)

Control of active nematics

, 2021
Active matter describes systems, such as bacterial suspensions, cellular tissue or cytoskeleton biopolymers, that extract energy from their surroundings at the single-particle level and convert it into mechanical work. The resulting active work can be manifested in the form of self-propulsion and stress generation. The continuous injection of energy or
openaire   +1 more source

Spontaneous flows and quantum analogies in heterogeneous active nematic films

Communications Physics
Incorporating the inherent heterogeneity of living systems into models of active nematics is essential to provide a more realistic description of biological processes such as bacterial growth, cell dynamics and tissue development.
Alexander J. H. Houston, Nigel J. Mottram   +1 more
doaj   +1 more source

Variational formulation of active nematic fluids: theory and simulation

New Journal of Physics
The structure and dynamics of important biological quasi-two-dimensional systems, ranging from cytoskeletal gels to tissues, are controlled by nematic order, flow, defects and activity.
W Mirza, A Torres-Sánchez, G Vilanova, Marino Arroyo   +3 more
doaj   +1 more source

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Active nematic fluid films

Journal of Fluid Mechanics, 2023
Coupling surface deformations with active stresses in two-dimensional nematic liquid crystal films leads to a rich area of investigation, particularly in biological fluid mechanics across multiple scales from tissue mechanics to cell membrane mechanics. In Al-Izzi & Morris (J. Fluid Mech., vol. 957, 2023, A4), the authors derive the complete set of
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Light-activated microtubule-based two-dimensional active nematic

Soft Matter, 2023
By introducing light-activated motors, we spatiotemporally pattern nematic defect structure and flow in two-dimensional microtubule nematics.
Zahra Zarei, John Berezney, Alexander Hensley, Linnea Lemma, Nesrin Senbil, Zvonimir Dogic, Seth Fraden   +6 more
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Polarity and chirality control of an active fluid by passive nematic defects

Nature Materials, 2022
Alfredo Sciortino, Lukas Janik Neumann, Ivan Maryshev   +2 more
exaly  

Active Nematics

2021
openaire   +1 more source

Bio‐Organic Chiral Nematic Materials with Adaptive Light Emission and On‐Demand Handedness

Advanced Materials, 2021
Saewon Kang, Yingying Li, Minkyu Kim
exaly  

Submersed micropatterned structures control active nematic flow, topology, and concentration

Proceedings of the National Academy of Sciences of the United States of America, 2021
Kristian Thijssen, S Ali Aghvami, Seth Fraden   +2 more
exaly  

Active nematic order and dynamic lane formation of microtubules driven by membrane-bound diffusing motors

Proceedings of the National Academy of Sciences of the United States of America, 2021
Fabian Jan Schwarzendahl, Madhuvanthi Guruprasad Athani, Niranjan Sarpangala   +2 more
exaly