Colloidal hard spheres: Triumphs, challenges, and mysteries

CP Royall, P Charbonneau, M Dijkstra, J Russo… - Reviews of Modern …, 2024 - APS
The simplicity of hard spheres as a model system is deceptive. Although the particles
interact solely through volume exclusion, that nevertheless suffices for a wealth of static and …

Microbes in porous environments: from active interactions to emergent feedback

C **, A Sengupta - Biophysical Reviews, 2024 - Springer
Microbes thrive in diverse porous environments—from soil and riverbeds to human lungs
and cancer tissues—spanning multiple scales and conditions. Short-to long-term …

Self-organized lasers from reconfigurable colloidal assemblies

M Trivedi, D Saxena, WK Ng, R Sapienza, G Volpe - Nature Physics, 2022 - nature.com
Non-equilibrium assemblies, where units are able to harness available energy to perform
tasks, can often self-organize into dynamic materials that uniquely blend structure with …

Steering micromotors via reprogrammable optoelectronic paths

X Chen, X Chen, M Elsayed, H Edwards, J Liu… - ACS …, 2023 - ACS Publications
Steering micromotors is important for using them in practical applications and as model
systems for active matter. This functionality often requires magnetic materials in the …

Synchronous and fully steerable active particle systems for enhanced mimicking of collective motion in nature

Z Chen, H Ding, PS Kollipara, J Li… - Advanced …, 2024 - Wiley Online Library
The collective motion observed in living active matter, such as fish schools and bird flocks, is
characterized by its dynamic and complex nature, involving various moving states and …

Three-dimensional spontaneous flow transition in a homeotropic active nematic

VJ Pratley, E Caf, M Ravnik, GP Alexander - Communications Physics, 2024 - nature.com
Active nematics are driven, non-equilibrium systems relevant to biological processes
including tissue mechanics and morphogenesis, and to active metamaterials in general. We …

Environmental memory boosts group formation of clueless individuals

CS Dias, M Trivedi, G Volpe, NAM Araújo… - Nature …, 2023 - nature.com
The formation of groups of interacting individuals improves performance and fitness in many
decentralised systems, from micro-organisms to social insects, from robotic swarms to …

Active matter in space

G Volpe, C Bechinger, F Cichos, R Golestanian… - npj …, 2022 - nature.com
In the last 20 years, active matter has been a highly dynamic field of research, bridging
fundamental aspects of non-equilibrium thermodynamics with applications to biology …

Confinement induced change of microemulsion phase structure in controlled pore glass (CPG) monoliths

M Dahl, CJ Gommes, R Haverkamp, K Wood… - RSC …, 2024 - pubs.rsc.org
We use small-angle neutron scattering (SANS) to investigate the structure and phase
behavior of a complex fluid within meso-and macroporous matrices. Specifically …

Solvent-free confinement of ordered microparticle monolayers: effect of host substrate and pattern symmetry

ISM Jimidar, MTJ de Waard, G Roozendaal… - Soft matter, 2024 - pubs.rsc.org
The self-organisation of individual suspended colloids into ordered structures that can be
mediated by confinement has garnered interest recently. Despite the push for solvent …