An improved method for coating gold nanorods
Researchers have fine-tuned a technique for coating gold nanorods with silica shells, allowing engineers to create large quantities of the nanorods and giving them more control over the thickness of...
View ArticleNanoionics: A versatile system for constructing ion-conducting channels on...
(Phys.org)—Nanoionics is a sub-field of nanotechnology that is concerned with nanoscale phenomena involving migration of ions in solid maters. Thus far, however, the confinement of ionic currents to...
View ArticleGraphene-based film can be used for efficient cooling of electronics
Researchers at Chalmers University of Technology have developed a method for efficiently cooling electronics using graphene-based film. The film has a thermal conductivity capacity that is four times...
View ArticleInsect wings inspire antibacterial surfaces for corneal transplants, other...
Someday, cicadas and dragonflies might save your sight. The key to this power lies in their wings, which are coated with a forest of tiny pointed pillars that impale and kill bacterial cells unlucky...
View ArticleCooling graphene-based film close to pilot-scale production
Heat dissipation in electronics and optoelectronics is a severe bottleneck in the further development of systems in these fields. To come to grips with this serious issue, researchers at Chalmers...
View ArticleNew biomaterial developed for injectable neuronal control
In the campy 1966 science fiction movie "Fantastic Voyage," scientists miniaturize a submarine with themselves inside and travel through the body of a colleague to break up a potentially fatal blood...
View ArticleFaster, cheaper methods to synthesize compounds used in drug discovery
Chemists at The University of Texas at Arlington are developing new methods to synthesize groups of chemical compounds to provide faster, less expensive routes to produce the compounds for subsequent...
View ArticleNew method for activating Earth-abundant metal catalysts
(Phys.org)—Many industrially relevant reactions require either a precious metal catalyst or an Earth-abundant metal catalyst in a low oxidation state. A catalyst with a Fe(0) complex, for example, is a...
View ArticleNew calcium phosphate foam could help repair damage due to osteoporoses
(Phys.org)—A team of researchers affiliated with several institutions in France has developed a type of injectable foam that may serve as a means for treating osteoporoses and other bone degenerative...
View ArticleStudy shows that nanoparticles serve as a good tumor deoxygenation agent
(Phys.org)—One target therapy in cancer research is to suffocate the tumor. Cells need oxygen to survive so researchers have focused on methods for cutting off the blood supply to the tumor. Very...
View ArticleSuperflexible aerogels are highly efficient absorbents, thermal insulators,...
Airy, Airier, Aerogel. Until now, brittleness has limited the practical application of these delicate solids, which consist almost entirely of air-filled pores. This may now change: In the journal...
View ArticleHydrophobic nanostructured wood membrane for thermally efficient distillation
During water desalination, membrane distillation (MD) is challenged by the inefficiency of water thermal separation from dissolved solutes, due to its dependence on membrane porosity and thermal...
View ArticleCatch-22 in graphene based molecular devices resolved
The conductivity of Graphene has made it a target for many researchers seeking to exploit it to create molecular scale devices and now a research team jointly led by University of Warwick and EMPA have...
View ArticleElectrostatically controlled surface boundary conditions in nematic liquid...
Liquid crystals differ from isotropic fluids (fluids with similar properties in different directions) to exhibit highly anisotropic (varying properties in different directions) interactions with...
View ArticleStudy significantly advances alignment of single-wall carbon nanotubes along...
A University of Wyoming researcher and his team have shown, for the first time, the ability to globally align single-wall carbon nanotubes along a common axis. This discovery can be valuable in many...
View ArticleMolecular vibrations lead to high performance laser
Lasers. They are used for everything from entertaining our cats to encrypting our communications. Unfortunately, lasers can be energy intensive and many are made using toxic materials like arsenic and...
View ArticleAerogels for solar devices and windows
In recent decades, the search for high-performance thermal insulation for buildings has prompted manufacturers to turn to aerogels. Invented in the 1930s, these remarkable materials are translucent,...
View ArticleResearchers synthesize silicon-based quantum dots
NDSU researchers recently developed a new method of creating quantum dots made of silicon. Quantum dots, or nanocrystals, are tiny nanometer-scale pieces of semiconductor that emit light when their...
View ArticleCompact nanoscale textures reduce contact time of bouncing droplets
Many natural surfaces can rapidly shed water droplets due to their water-repellent functionality. In 1945, scientists Cassie and Baxter linked the water-repellent function of natural surfaces to their...
View ArticleControlling ice formation on gradient wettability surfaces for...
Ice-templating is a powerful technique to construct biological materials using ice nucleation and growth to obtain frozen material architectures, but scientists have been unable to control these two...
View ArticleResearchers overcome barriers to functionalization of bio-inspired solar...
Inspired by nature, researchers at the City College of New York (CCNY) can demonstrate a synthetic strategy to stabilize bio-inspired solar energy harvesting materials. Their findings, published in the...
View ArticleResearchers first to link silicon atoms on surfaces
Materials such as gallium arsenide are extremely important for the production of electronic devices. As supplies of it are limited, or they can present health and environmental hazards, specialists are...
View ArticleRain, rain, go away: New waterproofing solution discovered
A new coating solution discovered by researchers at Simon Fraser University can transform regular materials into waterproof surfaces. The product will be cheaper to produce, free of harmful fluorinated...
View Article'Reduction' allows for cleaner and more efficient catalytic reactions
In an ongoing effort to accelerate catalytic reactions, oxidation of metal complexes using light has emerged as a standard method to synthesize aromatic compounds. Now, researchers at Tokyo Institute...
View ArticleHeat conduction is important for droplet dynamics
For driving in the rain, it's preferable that the raindrops roll or bounce off the windshield instead of coating it or even freezing. A team of engineers in the McKelvey School of Engineering at...
View ArticleStimulating the sense of touch with chemistry
Our eyes may be windows on the world, but our fingertips put us in touch with it. To recreate this tactile sense, current technology relies on tiny motors and electricity. However, the bumps and buzzes...
View ArticleResearch team develops wood-based foam to keep buildings cooler
Summertime is almost here, a time when many people try to beat the heat. But running air conditioners constantly can be expensive and wasteful. Now, researchers reporting in the ACS journal Nano...
View ArticleNew 'water adhesive' is tougher than natural adhesives employed by mussels...
Nature has developed innovative ways to solve a sticky challenge: Mussels and barnacles stubbornly glue themselves to cliff faces, ship hulls, and even the skin of whales. Likewise, tendons and...
View ArticleNew technique could make large, flexible solar panels more feasible
A new, high-pressure technique may allow the production of huge sheets of thin-film silicon semiconductors at low temperatures in simple reactors at a fraction of the size and cost of current...
View ArticleOn-demand preparation of organosilicon reagents
National University of Singapore (NUS) scientists have demonstrated that stepwise customized functionalization of multihydrosilanes to access fully substituted silicon compounds can be realized using...
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