Search results for elastic modulus

Condensed Matter Sep 15, 2020

Predicting delayed instabilities in viscoelastic solids

It is presently challenging to determine the stability of viscoelastic structures since seemingly stable conformations may gradually creep (plastic deformation of a material under stress as a function of time) until their ...

Nanophysics Aug 14, 2020

Stabilizing monolayer nitrides with silicon

In a new report published in Science, Yi-Lun Hong and a group of research scientists in materials science, engineering, and advanced technology in China and the U.K. investigated two-dimensional (2-D) materials to discover ...

Nanomaterials Jul 29, 2020

3-D touchless interactive display detects finger humidity to change color

A novel three-dimensional (3-D) touchless interactive display can change color based on the distance of the user's finger from the screen by detecting subtle shifts in ambient relative humidity, according to a new study. ...

Analytical Chemistry Apr 29, 2020

Molecular engineering metal coordination interactions for strong, tough, fast-recovery hydrogels

Load bearing tissues such as muscles and cartilages typically show high elasticity, toughness and fast recovery rates. However, combining such mechanical properties in the lab to build synthetic biomaterials is fundamentally ...

Biotechnology Apr 2, 2020

Bioengineering biomimetic human small muscular pulmonary arteries

During the progression of pulmonary hypertension, structural and functional changes in the small muscular arteries play a significant role and contribute to the disease. Bioengineers aim to develop advanced, anatomically ...

Polymers Mar 9, 2020

Additive manufacturing of cellulose-based materials with continuous, multidirectional stiffness gradients

Functionally graded materials (FGM) allow diverse applications in multidisciplinary fields from biomedicine to architecture. However, their fabrication can be tedious relative to gradient continuity, interfacial bending and ...

Nanophysics Dec 30, 2019

New class of crosslinker-free nanofiber biomaterials from Hydra nematocyst proteins

Nematocysts are stinging organelles of cnidarians that have remarkable mechanical properties to undergo 50 percent volume changes during explosive exocytosis (process by which cells excrete waste and large molecules), while ...

General Physics Dec 9, 2019

Shape-programmable dielectric liquid crystal elastomer actuators

Materials scientists aim to use bioinspired soft robots to carry out advanced interactions between humans and robots, but the associated technology remains to be developed. For example, soft actuators must perform quickly ...

Materials Science May 20, 2019

New research shows how clustered particles determine elasticity of some gels

From the toothpaste you squeeze on your brush first thing in the morning to the yogurt you slurp down to the fabric softener that keeps your pajamas cozy and soft, gels are ubiquitous in consumer products, foods, and in industrial ...

Polymers Feb 27, 2019

Semi-flexible model-based analysis of cell adhesion to hydrogels

Hydrogels are commonly used as biomaterials for applications in biomedicine due to their biocompatibility. However, the relationship between biological cells and the hydrogel surface is still unclear and the existing parameters ...

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