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Celebrating Soft Matter's 10th anniversary: Testing the foundations of classical entropy: colloid experiments
(Royal Society of Chemistry (RSC), 2015)
By performing experiments on colloids, one can establish that certain definitions of the classical entropy fit the data, while others in the literature do not.
Viscoelastic surface electrode arrays to interface with viscoelastic tissues
(Springer Science and Business Media LLC, 2021-06-17)
Living tissues are non-linearly elastic materials that exhibit viscoelasticity and plasticity1,2. Man-made, implantable bioelectronics mainly rely on rigid or elastic encapsulation materials and brittle thin films of metal ...
Adhesion Degradation and Water Diffusion in Nanoporous Organosilicate Glass Thin Film Stacks
(The Electrochemical Society, 2010)
The diffusion of water in nanoporous organosilicate glass (NPOSG) film stacks causes significant adhesion degradation of the capping layer on top of the NPOSG. We have used this adhesion degradation to estimate the diffusivity ...
Buckling of a Pressurized Hemispherical Shell Subjected to a Probing Force
(ASME International, 2017-10-19)
We study the buckling of hemispherical elastic shells sub- jected to the combined effect of pressure loading and a prob- ing force. We perform an experimental investigation using thin shells of nearly uniform thickness ...
Electrically-latched compliant jumping mechanism based on a dielectric elastomer actuator
(IOP Publishing, 2019-08-12)
Jumping mechanisms are useful in robotics for locomotion in unstructured environments, or for self-righting abilities. However, most rigid robots rely on impact with the ground to jump, thereby requiring a relatively rigid, ...
A Modeling Framework for Jamming Structures
(Wiley, 2021-02-10)
Jamming is a structural phenomenon that provides tunable mechanical behavior. A jamming structure typically consists of a collection of elements with a low effective stiffness and damping. When a pressure gradient, such ...
Nonlinear Buckling Interaction for Spherical Shells Subject to Pressure and Probing Forces
(ASME International, 2017-04-12)
Elastic spherical shells loaded under uniform pressure are subject to equal and opposite compressive probing forces at their poles to trigger and explore buckling. When the shells support external pressure, buckling is ...
Cellular nanoscale stiffness patterns governed by intracellular forces
(Springer Science and Business Media LLC, 2019-06-17)
Cell stiffness measurements have led to insights into various physiological and pathological processes. Although many cellular behaviours are influenced by intracellular mechanical forces that also alter the material ...
Cyborg Organoids: Implantation of Nanoelectronics via Organogenesis for Tissue-Wide Electrophysiology
(American Chemical Society (ACS), 2019-07-26)
Tissue-wide electrophysiology with single-cell and millisecond spatiotemporal resolution is critical for heart and brain studies. Issues arise, however, from the invasive, localized implantation of electronics that destroys ...
Stretchable Electrets: Nanoparticle–Elastomer Composites
(American Chemical Society (ACS), 2020-05-15)