Add BrightSurf on Google Email

Restraint improves dielectric performance, lifespan

Duke University engineers demonstrated that rigidly constraining dielectric materials can increase their energy density and decrease rates of failure. By preventing physical deformation, epoxy acts as a mechanical constraint to enhance the component's ability to carry greater voltage.

SourceDuke University·JournalApplied Physics Letters·DateOct 25, 2011

Building a smaller, lighter future: Understanding polymer behaviors below 1 nanometer

Scientists at Kyoto University have developed a new method to study polymers in confined spaces, revealing unexpected thermal transitions and potential breakthroughs in nanoscale manufacturing. The technique uses porous coordination polymers to trap polymers, allowing researchers to observe their behavior under controlled conditions.

Cilia revolution

Researchers at the University of Southern Mississippi have developed a new material that mimics cilia, allowing for control and potential use in sensing and monitoring applications. The material responds to various stimuli, enabling its application in detecting toxins, oxygen levels, or other environmental factors.

SourceU.S. National Science Foundation·JournalAdvanced Functional Materials·DateSep 23, 2010

Mussels -- material artists with grip

Researchers have discovered that the byssal cuticle of mussels is a protein-based polymeric scaffold stabilized by dopa-iron complexes, enabling its unique hardness and extensibility. The cuticle's mechanical behavior allows it to dissipate energy from crashing waves while resisting abrasive damage.

SourceMax-Planck-Gesellschaft·JournalScience·DateMar 4, 2010

Research by Case Western Reserve University, VA earns cover of prestigious science publication

A team of researchers from Case Western Reserve University, VA and NASA Glenn Research Center has unveiled a method for developing mechanically-reinforced polymer nanocomposites. The approach uses a process to assemble nanoparticles into a three-dimensional network before filling it with a polymer, resulting in compatible materials. Th...

SourceCase Western Reserve University·JournalNature Nanotechnology·DateJan 4, 2008

A new wrinkle in thin film science

Scientists have developed a simple experiment to measure the mechanical properties of thin films, which could impact industries like cosmetics, coatings and nanoelectronics. The new method uses low-power optical microscopy to observe wrinkles in the film, providing insight into material properties.

Trio wins American Chemical Society polymer education award

The Virginia Tech trio of Tom Ward, James McGrath, and Garth Wilkes has been awarded the Paul J. Flory Polymer Education Award by the American Chemical Society Division of Polymer Chemistry for their long-term efforts in educating students in polymer science and engineering. The award recognizes the trio's creation of an interdisciplin...

Nanostructures for drug delivery

Cornell University materials engineers have created a polyvinylalcohol (PVA) nanocomposite that can be used to deliver drugs to the human brain or bloodstream. The material, with chains of polymer molecules controlling drug flow, has potential applications in tissue engineering and enzyme carriers.

'Disposable electronics' from polymer study

A Cornell University research team led by Paulette Clancy is developing novel semiconducting materials using polymers, which could lead to cheaper and more portable 'throwaway electronics.' The project aims to create new materials for light-emitting diode displays and flexible laptop screens.

Very thin polymer films still have the same stuff

A team of scientists discovered that polymer molecules in ultra-thin films of 14 nanometers retain their shape and size comparable to their bulk counterparts. This finding challenges previous simulations, which suggested minimal changes in molecular structure with decreasing film thickness.

SourcePenn State·JournalNature·DateJul 7, 1999

3D Sight From Sonic Imaging

Researchers developed a new technique to visualize the three-dimensional internal structure of objects using sonic imaging. This method stacks planar ultrasound images and provides detailed analysis without physically cutting open the part.

SourceInstitute of Materials·JournalMaterials World·DateApr 1, 1999

Tiny Pellets Could Deliver Alzheimer's Drugs

Researchers at Cornell University have developed tiny polymer pellets containing NGF that can regenerate dying cells and improve cognitive function in rats. The system targets specific brain areas and releases NGF molecules over a period of months, offering potential for a one-time treatment for Alzheimer's.

Simple Polymer Moves With Electricity

A team of Penn State materials scientists has developed a new polymer material that can move significantly when an electric field is applied. The material, Poly(vinylidene fluoride-trifluoroethylene) Copolymer, exhibits electrostrictive properties and shows potential for use in artificial muscles, skin, and organs.

SourcePenn State·JournalScience·DateJun 26, 1998

New Biomaterial Has 'Star' Power

Researchers have created star polymer gels with potential applications in delivering high concentrations of drugs to specific areas in the body, such as tumors. These gels can also recognize and remove substances like cholesterol from the blood through a process called molecular imprinting.

Common Drug-Capsule Coating Not As Inert As Previously Thought

A recent study at the University of Illinois found that polyethylene glycol (PEG) coating can undergo attractive interactions with proteins, changing its configuration and potentially increasing biocompatibility. The discovery has significant implications for biomedical applications, such as implants and artificial scaffolds.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateOct 3, 1997