Strong and tough octyl enamine-grafted polyvinyl alcohol with programmable shape deformation <i>via</i> simple soaking treatment

Surface Adsorption of Polyethylene Glycol and Polyvinyl Alcohol with Variable Molecular Weights on Zinc Oxide Nanoparticles

Polyvinyl alcohol particle superficial morphology.

We appreciated the research by Derdeyn et al (1) from the Mallinckrodt Institute of Radiology concerning the size and suspension characteristics of polyvinyl alcohol (PVA) particles. We do agree that both size and suspension characteristics of PVA represent relevant parameters affecting the aggregation of particles during injection. In addition to these two variables, we considered further para...

Stiff, strong, and tough hydrogels with good chemical stability

Recent developments in the area of hydrogels promise to greatly expand their scope of applications. Many applications require hydrogels to endure signicant mechanical loads in aggressive environments. Examples range from biomedical applications such as articial cartilage in tissue engineering, to engineering applications such as swellable packers in the oil industry, or articial nerves and m...

Tough and strong bioinspired nanocomposites with interfacial cross-links.

Strength and toughness are two mechanical properties that are generally mutually exclusive but highly sought-after in the design of advanced composite materials. There has only been limited progress in achieving both high strength and toughness in composite materials. However, the fundamental underlying mechanics remain largely unexplored, especially at the nanoscale. Inspired by the lamellar s...

Constrained hyperelastic parameters reconstruction of PVA (Polyvinyl Alcohol) phantom undergoing large deformation

The nonlinear mechanical behavior of tissues that undergo large deformations, e.g. the breast, is characterized by hyperelastic parameters. These parameters take into account both types of nonlinearities: tissue intrinsic nonlinearity and geometric nonlinearity. Elastography technique capable of tissue hyperelastic parameter reconstruction has important clinical applications such as cancer diag...