Active turbulence

R Alert, J Casademunt, JF Joanny - Annual Review of …, 2022 - annualreviews.org
Active fluids exhibit spontaneous flows with complex spatiotemporal structure, which have
been observed in bacterial suspensions, sperm cells, cytoskeletal suspensions, self …

Topological active matter

S Shankar, A Souslov, MJ Bowick, MC Marchetti… - Nature Reviews …, 2022 - nature.com
In active matter systems, individual constituents convert energy into non-conservative forces
or motion at the microscale, leading to morphological features and transport properties that …

Autonomous materials systems from active liquid crystals

R Zhang, A Mozaffari, JJ de Pablo - Nature Reviews Materials, 2021 - nature.com
Liquid crystals (LCs) are ubiquitous in display technologies. The orientational ordering in the
nematic phase of LCs gives rise to structural anisotropy, the ability to form topological …

Recent advances in multi‐photon 3D laser printing: active materials and applications

P Mainik, CA Spiegel, E Blasco - Advanced Materials, 2024 - Wiley Online Library
Since the pioneering work of Kawata and colleagues in 1997, multi‐photon 3D laser
printing, also known as direct laser writing, has made significant advancements in a wide …

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

K Thijssen, DA Khaladj, SA Aghvami… - Proceedings of the …, 2021 - National Acad Sciences
Coupling between flows and material properties imbues rheological matter with its wide-
ranging applicability, hence the excitement for harnessing the rheology of active fluids for …

Probing active nematics with in situ microfabricated elastic inclusions

I Vélez-Cerón, P Guillamat, F Sagués… - Proceedings of the …, 2024 - National Acad Sciences
In this work, we report a direct measurement of the forces exerted by a tubulin/kinesin active
nematic gel as well as its complete rheological characterization, including the quantification …

Topological defect-mediated morphodynamics of active–active interfaces

DQ Zhang, PC Chen, ZY Li… - Proceedings of the …, 2022 - National Acad Sciences
Physical interfaces widely exist in nature and engineering. Although the formation of passive
interfaces is well elucidated, the physical principles governing active interfaces remain …

Rectified rotational dynamics of mobile inclusions in two-dimensional active nematics

S Ray, J Zhang, Z Dogic - Physical Review Letters, 2023 - APS
We investigate the dynamics of mobile inclusions embedded in 2D active nematics. The
interplay between the inclusion shape, boundary-induced nematic order, and autonomous …

Machine learning active-nematic hydrodynamics

J Colen, M Han, R Zhang, SA Redford… - Proceedings of the …, 2021 - National Acad Sciences
Hydrodynamic theories effectively describe many-body systems out of equilibrium in terms of
a few macroscopic parameters. However, such parameters are difficult to determine from …

Emergence of active nematics in chaining bacterial biofilms

YI Yaman, E Demir, R Vetter, A Kocabas - Nature communications, 2019 - nature.com
Growing tissue and bacterial colonies are active matter systems where cell divisions and
cellular motion generate active stress. Although they operate in the non-equilibrium regime …