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Unexpected finding: Light can twist ribbons of nanoparticles

Unexpected finding: Light can twist ribbons of nanoparticles

In findings that took the experimenters three years to believe, Univ. of Michigan engineers and their collaborators have demonstrated that light itself can twist ribbons of nanoparticles.

DNA nanotubes offer promising applications in medicine

A team of McGill Chemistry Department researchers led by Dr. Hanadi Sleiman has achieved a breakthrough in the development of nanotubes—tiny "magic bullets" that could one day deliver drugs to specific diseased cells.

Solving hydrogen storage issues with layered graphene sheets

Solving hydrogen storage issues with layered graphene sheets

Graphene—carbon formed into sheets a single atom thick—now appears to be a promising base material for capturing hydrogen, according to recent research at the National Institute of Standards and Technology (NIST) and the Univ. of Pennsylvania. The findings suggest stacks of graphene layers could potentially store hydrogen safely for use in fuel cells and other applications.

Turning proteins into glass

Duke Univ. researchers have devised a method to dry and preserve proteins in a glassified form that seems to retain the molecules' properties as workhorses of biology.

Testimony: Mastery of rare earth elements vital to U.S. security

Testimony: Mastery of rare earth elements vital to U.S. security

Karl A. Gschneidner Jr., a senior metallurgist at Ames Lab, spoke before a House Subcommittee this week, cautioning them that rare-earth R&D in America is “virtually zero”. He went on to say that expertise in rare-earth alloying is crucial to economic performance and that the U.S. has given up much ground to other countries in this area.

Laser makes silicon pump liquid uphill with no added energy

Researchers at the Univ. of Rochester's Institute of Optics have discovered a way to make liquid flow vertically upward along a silicon surface, overcoming the pull of gravity, without pumps or other mechanical devices.

Metallic glass yields secrets under pressure

Metallic glass yields secrets under pressure

Metallic glasses are emerging as potentially useful materials at the frontier of materials science research. They combine the advantages and avoid many of the problems of normal metals and glasses, two classes of materials with a very wide range of applications.

Hand bacteria study holds promise for forensics identification

Forensic scientists may soon have a valuable new item in their toolkits—a way to identify individuals using unique, telltale types of hand bacteria left behind on objects like keyboards and computer mice, says a new Univ. of Colorado at Boulder study.

A golden bullet for cancer

A golden bullet for cancer

Magic bullets, also called silver bullets, because of the folkloric belief that only silver bullets can kill supernatural creatures, remain the goal of drug development efforts today. A team of scientists at Washington Univ. in St. Louis is currently working on a magic bullet for cancer. But their bullets are gold rather than silver.

Making cells feel right at home

The film "Avatar" isn't the only 3-D blockbuster making a splash this winter. A team of scientists from Houston's Texas Medical Center this week unveiled a new technique for growing 3-D cell cultures, a technological leap from the flat petri dish that could save millions of dollars in drug-testing costs.

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Lunar tires, space MRSA, and resonating microfluidics

Lunar tires, space MRSA, and resonating microfluidics

I typically attend the annual Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy each year in pursuit of specific coverage. This year, I sought out candidates for coverage in a vacuum technology article, and pulled together some instruments for a spectroscopy guide. But as busy as that kept me, it wasn’t all mass spectrometers and vacuum pumps on the show floor.  

A clean energy America…is it coming or not?

A clean energy America…is it coming or not?

Almost a year ago, the buzz during the downturn was that the economic stimulus will help boost jobs in a sort of national improvement program reminiscent of the 1930s. Our coal would be phased out. Our grids would get smart. Our cars would get hybridized.

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Daytime running light has just two LEDs

The new OSTAR Compact LED from OSRAM has been developed specifically for use in vehicle headlights. Despite drawing just 5 W, the device provides 300 lumens of power and meets ECE/SAE color binning requirements for use on motor vehicles.

DuPont Performance Polymers launches new nylon for automotive industry

A new family of nylon products from DuPont Performance Polymers—DuPont Zytel PLUS nylon—delivers high performance levels and maintains those high performance levels despite exposure to hot oil, hot air, calcium chloride, and other aggressive automotive chemicals.

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LithStor building provides solutions for lithium batteries

Safety Storage LithStor prefabricated storage buildings meet specialized containment needs for businesses and industry, military, homeland security, and government agencies managing the storage of new and used lithium batteries.

Airflow in subways could spread contaminants

As part of a Homeland Security study on the spread of airborne contaminants released in subway systems, Berkeley Lab researchers are measuring the flow of gas throughout tunnels and cars. Subways created significant airflow as they move through tunnels, which could raise risk in the event of a terrorist attack or spill.

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