Results 181 to 190 of about 4,761,499 (204)

Guidance of cellular nematics into shape-programmable living surfaces

Guillamat P, Mirza W, Bal PK, Gómez-González M, Roca-Cusachs P, Arroyo M, Trepat X.   +6 more
europepmc   +1 more source

Topological defects in multi-layered swarming bacteria.

Soft Matter
Yashunsky V, Pearce DJG, Ariel G, Be'er A.   +3 more
europepmc   +1 more source

Turbulence-to-order transitions in activity-patterned active nematics

Physical Review E
We numerically study two-dimensional active nematics with periodic activity patterning. For stripes of activity, we observe a transition from two-dimensional to one-dimensional active turbulence as the maximum active force and distance between activity ...
Cody D Schimming, C J O Reichhardt, C Reichhardt   +2 more
exaly   +5 more sources

Defect Unbinding in Active Nematics

Physical Review Letters, 2018
15 pages (including SI), 4 figures.
Suraj Shankar, Sriram Ramaswamy, M Cristina Marchetti   +2 more
exaly   +7 more sources

Helical flow states in active nematics [PDF]

Physical Review E, 2022
4 pages, 4 figures ...
Santhan Chandragiri, Benjamin Loewe, T Ala-Nissila   +2 more
exaly   +8 more sources

Active nematics across scales from cytoskeleton organization to tissue morphogenesis.

Current Opinion in Genetics and Development, 2022
Biological tissues are composed of various cell types working cooperatively to perform their respective function within organs and the whole body.
Lakshmi Balasubramaniam, R. Mège, B. Ladoux   +2 more
semanticscholar   +2 more sources

Integer Topological Defects Reveal Antisymmetric Forces in Active Nematics.

Physical Review Letters
Cell layers are often categorized as contractile or extensile active, nematics but recent experiments on neural progenitor cells with induced +1 topological defects challenge this classification.
Zihui Zhao, Yisong Yao, He Li, Yongfeng Zhao, Yujia Wang, Hepeng Zhang, Hugues Chat'e, Masaki Sano   +7 more
semanticscholar   +4 more sources

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Controlling Chaos: Periodic Defect Braiding in Active Nematics Confined to a Cardioid

Physical Review Letters
This work examines self-mixing in active nematics, a class of fluids in which mobile topological defects drive chaotic flows in a system comprised of biological filaments and molecular motors.
Fereshteh L Memarian, Derek Hammar, Md Mainul Hasan Sabbir   +2 more
exaly   +2 more sources

Dynamical subclasses of dry active nematics [PDF]

Physical Review E, 2019
5 pages, 4 figures.
Hugues Chate, Yu-Qiang Ma, Xia-Qing Shi   +2 more
exaly   +6 more sources

Driven active and passive nematics

Molecular Physics, 2015
We investigate similarities in the micro-structural dynamics between externally driven and actively driven nematics. Walls, lines of strong deformations in the director field, and topological defects are characteristic features of an active nematic ...
Sumesh P Thampi, Ramin Golestanian, J M Yeomans   +2 more
exaly   +2 more sources