Zobrazeno 1 - 10
of 6 413
pro vyhledávání: '"Marchetti, M."'
Recent experimental realizations of liquid-liquid phase separation of active liquid crystals have offered an insight into the interaction between phase separation, ubiquitous in soft matter and biology, and chaotic active flows. In this Letter, we us
Externí odkaz:
http://arxiv.org/abs/2410.07058
The feedback between mechanical and chemical signals plays a key role in controlling many biological processes and collective cell behavior. Here we focus on the emergence of spatiotemporal density waves in a one-dimensional "cell train." Combining a
Externí odkaz:
http://arxiv.org/abs/2408.02806
Autor:
Zhao, Liang, Gulati, Paarth, Caballero, Fernando, Kolvin, Itamar, Adkins, Raymond, Marchetti, M. Cristina, Dogic, Zvonimir
We study the structure and dynamics of the interface separating a passive fluid from a microtubule-based active fluid. Turbulent-like active flows power giant interfacial fluctuations, which exhibit pronounced asymmetry between regions of positive an
Externí odkaz:
http://arxiv.org/abs/2407.04679
Active liquid crystals exert nonequilibrium stresses on their surroundings through constant consumption of energy, giving rise to dynamical steady states not present in equilibrium. The paradigmatic example of an active liquid crystal is a suspension
Externí odkaz:
http://arxiv.org/abs/2407.04196
Autor:
Chiang, Michael, Hopkins, Austin, Loewe, Benjamin, Marenduzzo, Davide, Marchetti, M. Cristina
Multiphase field models have emerged as an important computational tool for understanding biological tissue while resolving single-cell properties. While they have successfully reproduced many experimentally observed behaviors of living tissue, the t
Externí odkaz:
http://arxiv.org/abs/2403.10715
Autor:
Chiang, Michael, Hopkins, Austin, Loewe, Benjamin, Marchetti, M. Cristina, Marenduzzo, Davide
Spatiotemporal patterns in multicellular systems are important to understanding tissue dynamics, for instance, during embryonic development and disease. Here, we use a multiphase field model to study numerically the behavior of a near-confluent monol
Externí odkaz:
http://arxiv.org/abs/2310.20465
Autor:
Hopkins, Austin, Loewe, Benjamin, Chiang, Michael, Marenduzzo, Davide, Marchetti, M. Cristina
Using a multi-phase field model, we examine how particle deformability, which is a proxy for cell stiffness, affects motility induced phase separation (MIPS). We show that purely repulsive deformable, i.e., squishy, cells phase separate more effectiv
Externí odkaz:
http://arxiv.org/abs/2308.05088
Publikováno v:
Phys. Rev. X 14, 021014 (2024)
In recent years, nonreciprocally coupled systems have received growing attention. Previous work has shown that the interplay of nonreciprocal coupling and Goldstone modes can drive the emergence of temporal order such as traveling waves. We show that
Externí odkaz:
http://arxiv.org/abs/2306.08868
We use numerical simulations and linear stability analysis to study the dynamics of an active liquid crystal film on a substrate in the regime where the passive system would be isotropic. Extensile activity builds up local orientational order and des
Externí odkaz:
http://arxiv.org/abs/2306.04526
Using a mean field approach and simulation, we study the non-linear mechanical response of the vertex model (VM) of biological tissue under compression and dilation. The VM is known to exhibit a transition between rigid and fluid-like, or floppy, sta
Externí odkaz:
http://arxiv.org/abs/2303.06224