Morphogenesis and cell ordering in confined bacterial biofilms

Q Zhang, J Li, J Nijjer, H Lu, M Kothari… - Proceedings of the …, 2021 - National Acad Sciences
Biofilms are aggregates of bacterial cells surrounded by an extracellular matrix. Much
progress has been made in studying biofilm growth on solid substrates; however, little is …

[HTML][HTML] On modeling the multiscale mechanobiology of soft tissues: Challenges and progress

Y Guo, MRK Mofrad, AB Tepole - Biophysics Reviews, 2022 - pubs.aip.org
Tissues grow and remodel in response to mechanical cues, extracellular and intracellular
signals experienced through various biological events, from the developing embryo to …

Biofilms as self-shaping growing nematics

J Nijjer, C Li, M Kothari, T Henzel, Q Zhang, JSB Tai… - Nature Physics, 2023 - nature.com
Active nematics are the non-equilibrium analogue of passive liquid crystals. They consist of
anisotropic units that consume free energy to drive emergent behaviour. As with liquid …

Morphogenesis of biofilms in porous media and control on hydrodynamics

DL Kurz, E Secchi, R Stocker… - … Science & Technology, 2023 - ACS Publications
The functioning of natural and engineered porous media, like soils and filters, depends in
many cases on the interplay between biochemical processes and hydrodynamics. In such …

A large deformation theory for coupled swelling and growth with application to growing tumors and bacterial biofilms

S Chockalingam, T Cohen - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
There is significant interest in modeling the mechanics and physics of growth of soft
biological systems such as tumors and bacterial biofilms. Solid tumors account for more than …

Mechanical forces quench frontal polymerization: Experiments and theory

X Li, T Cohen - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
Frontal polymerization is a promising energy-saving method for rapid fabrication of polymer
components with good mechanical properties. In these systems, a small energy input is …

The determination of the curing induced, nonlinear elastic field of an inclusion in photo-cured materials

Q Zhang, Y Shi, C Gao - International Journal of Solids and Structures, 2024 - Elsevier
A wide variety of photo-cured materials have recently been developed with the rapid
advancement of three-dimensional (3D) printing technology. However, most of these …

A Model for Mechanical Stress Limited Bacterial Growth and Resporulation in Confinement

BL de Souza Heidel, J Benson, S O'Keane… - … Applied Materials & …, 2024 - ACS Publications
In this study, we propose a self-limiting growth model for Bacillus subtilis spores confined
within porous polyacrylamide (PA) hydrogels. We observed that B. subtilis spores germinate …

[HTML][HTML] Anisotropic strain variations during the confined growth of Au nanowires

G Abbondanza, A Grespi, A Larsson… - Applied Physics …, 2023 - pubs.aip.org
The electrochemical growth of Au nanowires in a template of nanoporous anodic aluminum
oxide was investigated in situ by means of grazing-incidence transmission small-and wide …

Interfacial cavitation

T Henzel, J Nijjer, S Chockalingam, H Wahdat… - PNAS …, 2022 - academic.oup.com
Cavitation has long been recognized as a crucial predictor, or precursor, to the ultimate
failure of various materials, ranging from ductile metals to soft and biological materials …