Post thumbnail of Physicists determine 3-D positions of individual atoms for the first time: Finding will help scientists better understand the structural properties of materials
14 October 2015
Continue reading Physicists determine 3-D positions of individual atoms for the first time: Finding will help scientists better understand the structural properties of materials

Physicists determine 3-D positions of individual atoms for the first time: Finding will help scientists better understand the structural properties of materials

Atoms are the building blocks of all matter on Earth, and the patterns in which they are arranged dictate how strong, conductive or flexible a material will be. Now, scientists have used a powerful microscope to image the 3-dimensional positions of individual atoms to a precision of 19 trillionths of a meter, which is several times smaller than a hydrogen atom.

Post thumbnail of Darwin on a chip: New electronic circuits mimic natural networks like the human brain Researchers develop (r)evolutionary circuits
14 October 2015
Continue reading Darwin on a chip: New electronic circuits mimic natural networks like the human brain Researchers develop (r)evolutionary circuits

Darwin on a chip: New electronic circuits mimic natural networks like the human brain Researchers develop (r)evolutionary circuits

Researchers have demonstrated working electronic circuits that have been produced in a radically new way, using methods that resemble Darwinian evolution. The size of these circuits is comparable to the size of their conventional counterparts, but they are much closer to natural networks like the human brain. The findings promise a new generation of powerful, energy-efficient electronics.

Post thumbnail of Nano-trapped molecules are potential path to quantum devices
14 October 2015
Continue reading Nano-trapped molecules are potential path to quantum devices

Nano-trapped molecules are potential path to quantum devices

Single atoms or molecules imprisoned by laser light in a doughnut-shaped metal cage could unlock the key to advanced storage devices, computers and high-resolution instruments.

Post thumbnail of Physicists defy conventional wisdom to identify ferroelectric material: ‘Careful engineering’ induces ferroelectricity in ultrathin film of strontium titanate
14 October 2015
Continue reading Physicists defy conventional wisdom to identify ferroelectric material: ‘Careful engineering’ induces ferroelectricity in ultrathin film of strontium titanate

Physicists defy conventional wisdom to identify ferroelectric material: ‘Careful engineering’ induces ferroelectricity in ultrathin film of strontium titanate

In a discovery that could open new pathways to find new materials for nanotechnology devices, physicists have found ferroelectricity could be induced in a thin sheet of strontium titanate. The material ordinarily is not ferroelectric. The finding contradicts conventional wisdom that materials lose ferroelectricity as they are made thinner.

Post thumbnail of Making 3-D objects disappear: Ultrathin invisibility cloak created
14 October 2015
Continue reading Making 3-D objects disappear: Ultrathin invisibility cloak created

Making 3-D objects disappear: Ultrathin invisibility cloak created

Researchers have devised an ultra-thin invisibility ‘skin’ cloak that can conform to the shape of an object and conceal it from detection with visible light. Although this cloak is only microscopic in size, the principles behind the technology should enable it to be scaled-up to conceal macroscopic items as well.

Post thumbnail of Nanoelectronics could get a boost from carbon research
14 October 2015
Continue reading Nanoelectronics could get a boost from carbon research

Nanoelectronics could get a boost from carbon research

Scientists have investigated a way to create linear chains of carbon atoms from laser-melted graphite. The material, called carbyne, could have a number of novel properties, including the ability to adjust the amount of electrical current traveling through a circuit, depending on the user’s needs.

Post thumbnail of A fast cell sorter shrinks to cell phone size
14 October 2015
Continue reading A fast cell sorter shrinks to cell phone size

A fast cell sorter shrinks to cell phone size

A new lab-on-a-chip cell sorting device based on acoustic waves has been developed by researchers. In a new article, investigators describe an acoustic cell sorter capable of the kind of high sorting throughput necessary to compete with commercial fluorescence activated cell sorters.

Post thumbnail of Targeted drug delivery with these nanoparticles can make medicines more effective: Nanoparticles wrapped inside human platelet membranes serve as new vehicles for targeted drug delivery
14 October 2015
Continue reading Targeted drug delivery with these nanoparticles can make medicines more effective: Nanoparticles wrapped inside human platelet membranes serve as new vehicles for targeted drug delivery

Targeted drug delivery with these nanoparticles can make medicines more effective: Nanoparticles wrapped inside human platelet membranes serve as new vehicles for targeted drug delivery

Nanoparticles disguised as human platelets could greatly enhance the healing power of drug treatments for cardiovascular disease and systemic bacterial infections. These nanoparticles are capable of delivering drugs to targeted sites in the body — particularly injured blood vessels and organs infected by harmful bacteria. This targeted drug delivery greatly increased the therapeutic effects of drugs administered to diseased rats and mice.

Post thumbnail of New catalyst yields more accurate PSA test: Peroxidase mimic improves sensitivity of PSA test 100-fold
14 October 2015
Continue reading New catalyst yields more accurate PSA test: Peroxidase mimic improves sensitivity of PSA test 100-fold

New catalyst yields more accurate PSA test: Peroxidase mimic improves sensitivity of PSA test 100-fold

Chemists have developed a catalyst that improves the sensitivity of the standard PSA test over 100-fold. The catalyst is made of palladium nanocubes coated with iridium.

Post thumbnail of Platinum and iron oxide working together get the job done: Scientists have figured out how a platinum catalyst works
14 October 2015
Continue reading Platinum and iron oxide working together get the job done: Scientists have figured out how a platinum catalyst works

Platinum and iron oxide working together get the job done: Scientists have figured out how a platinum catalyst works

Using pictures with atomic resolution, the mechanism of an important chemical reaction has finally be explained: When platinum nanoparticles act as catalysts on an iron oxide surface, the surface plays a crucial role.

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