Swelling kinetics of polymer gels: comparison of linear and nonlinear theories

N Bouklas, R Huang - Soft Matter, 2012 - pubs.rsc.org
The swelling of a polymer gel is a kinetic process coupling mass transport and mechanical
deformation. Both linear and nonlinear theories have been used to describe the swelling …

Mechanochromic photonic gels

EP Chan, JJ Walish, AM Urbas… - Advanced …, 2013 - Wiley Online Library
Polymer gels are remarkable materials with physical structures that can adapt significantly
and quite rapidly with changes in the local environment, such as temperature, light intensity …

A nonlinear, transient finite element method for coupled solvent diffusion and large deformation of hydrogels

N Bouklas, CM Landis, R Huang - Journal of the Mechanics and Physics of …, 2015 - Elsevier
Hydrogels are capable of coupled mass transport and large deformation in response to
external stimuli. In this paper, a nonlinear, transient finite element formulation is presented …

Spherical indentation testing of poroelastic relaxations in thin hydrogel layers

EP Chan, Y Hu, PM Johnson, Z Suo, CM Stafford - Soft Matter, 2012 - pubs.rsc.org
In this work, we present the Poroelastic Relaxation Indentation (PRI) testing approach for
quantifying the mechanical and transport properties of thin layers of poly (ethylene glycol) …

[HTML][HTML] High-bandwidth AFM-based rheology reveals that cartilage is most sensitive to high loading rates at early stages of impairment

HT Nia, IS Bozchalooi, Y Li, L Han, HH Hung, E Frank… - Biophysical journal, 2013 - cell.com
Utilizing a newly developed atomic-force-microscopy-based wide-frequency rheology
system, we measured the dynamic nanomechanical behavior of normal and …

Mechanical relaxations of hydrogels governed by their physical or chemical crosslinks

S Cuenot, P Gélébart, C Sinquin… - Journal of the …, 2022 - Elsevier
In the field of tissue engineering, in order to restore tissue functionality hydrogels that closely
mimic biological and mechanical properties of the extracellular matrix are intensely …

[HTML][HTML] A new framework for characterization of poroelastic materials using indentation

MH Esteki, AA Alemrajabi, CM Hall, GK Sheridan… - Acta biomaterialia, 2020 - Elsevier
To characterize a poroelastic material, typically an indenter is pressed onto the surface of
the material with a ramp of a finite approach velocity followed by a hold where the indenter …

Separating viscoelasticity and poroelasticity of gels with different length and time scales

QM Wang, AC Mohan, ML Oyen, XH Zhao - Acta Mechanica Sinica, 2014 - Springer
Viscoelasticity and poroelasticity commonly coexist as time-dependent behaviors in polymer
gels. Engineering applications often require knowledge of both behaviors separated; …

Poroelasticity-driven lubrication in hydrogel interfaces

ER Reale, AC Dunn - Soft matter, 2017 - pubs.rsc.org
It is widely accepted that hydrogel surfaces are slippery, and have low friction, but dynamic
applied stresses alter the hydrogel composition at the interface as water is displaced. The …

Polymer osmotic pressure in hydrogel contact mechanics

KD Schulze, SM Hart, SL Marshall, CS O'Bryan… - Biotribology, 2017 - Elsevier
Simple, semi-dilute hydrogels made from flexible polymers are often used as material
surrogates for biological tissues, despite the dramatic differences between gels and tissues …