Micro/nanorobotic swarms: from fundamentals to functionalities
Swarms, which stem from collective behaviors among individual elements, are commonly
seen in nature. Since two decades ago, scientists have been attempting to understand the …
seen in nature. Since two decades ago, scientists have been attempting to understand the …
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 …
nematic gel as well as its complete rheological characterization, including the quantification …
Logic operations with active topological defects
Logic operations performed by semiconductor-based transistors are the basis of modern
computing. There is considerable interest in creating autonomous materials systems …
computing. There is considerable interest in creating autonomous materials systems …
Spontaneous self-constraint in active nematic flows
Active processes drive biological dynamics across various scales and include subcellular
cytoskeletal remodelling, tissue development in embryogenesis and the population-level …
cytoskeletal remodelling, tissue development in embryogenesis and the population-level …
Polarity and chirality control of an active fluid by passive nematic defects
A Sciortino, LJ Neumann, T Krüger, I Maryshev… - Nature Materials, 2023 - nature.com
Much like passive materials, active systems can be affected by the presence of imperfections
in their microscopic order, called defects, that influence macroscopic properties. This …
in their microscopic order, called defects, that influence macroscopic properties. This …
Light-activated microtubule-based two-dimensional active nematic
We assess the ability of two light responsive kinesin motor clusters to drive dynamics of
microtubule-based active nematics: opto-K401, a processive motor, and opto-K365, a non …
microtubule-based active nematics: opto-K401, a processive motor, and opto-K365, a non …
Design rules for controlling active topological defects
Topological defects play a central role in the physics of many materials, including magnets,
superconductors, and liquid crystals. In active fluids, defects become autonomous particles …
superconductors, and liquid crystals. In active fluids, defects become autonomous particles …
Active boundary layers in confined active nematics
J Hardoüin, C Doré, J Laurent, T Lopez-Leon… - Nature …, 2022 - nature.com
The role of boundary layers in conventional liquid crystals is commonly related to the
mesogen anchoring on confining walls. In the classical view, anchoring enslaves the …
mesogen anchoring on confining walls. In the classical view, anchoring enslaves the …
Data-driven discovery of active nematic hydrodynamics
Active nematics can be modeled using phenomenological continuum theories that account
for the dynamics of the nematic director and fluid velocity through partial differential …
for the dynamics of the nematic director and fluid velocity through partial differential …