News tagged with metallic copper

Hybrid copper-gold nanoparticles convert CO2

Copper -- the stuff of pennies and tea kettles -- is also one of the few metals that can turn carbon dioxide into hydrocarbon fuels with relatively little energy. When fashioned into an electrode and stimulated ...

Nanotechnology / Nanomaterials

created Apr 11, 2012 | popularity 4.7 / 5 (7) | comments 7 | with audio podcast

Black holes: a model for superconductors?

Black holes are some of the heaviest objects in the universe. Electrons are some of the lightest. Now physicists at the University of Illinois at Urbana-Champaign have shown how charged black holes can be ...

Physics / General Physics

created Mar 02, 2011 | popularity 4.3 / 5 (18) | comments 31 | with audio podcast

'Copper pump's' potential benefit in cancer treatment

(Phys.org) -- A team of University of California, San Diego researchers has made new discoveries about a copper-transporting protein in the membranes of human cells that drug-discovery scientists can co-opt ...

Chemistry / Biochemistry

created May 17, 2012 | popularity 4 / 5 (3) | comments 0 | with audio podcast

Materials science: Perfecting the defect

Strong metals have a tendency to be less ductile — unless the metal happens to be a peculiar form of copper known as nanotwinned copper. The crystal structure of nanotwinned copper exhibits many closely-spaced ...

Nanotechnology / Nanomaterials

created May 03, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Study reveals switching mechanism in promising computer memory device

(PhysOrg.com) -- Sometimes knowing that a new technology works is not enough. You also must know why it works to get marketplace acceptance. New information from the National Institute of Standards and Technology ...

Physics / General Physics

created Feb 22, 2012 | popularity 4 / 5 (4) | comments 0 | with audio podcast

Copper + love chemical = big sulfur stink

When Hiroaki Matsunami, Ph.D., at Duke set out to study a chemical in male mouse urine called MTMT that attracts female mice, he didn't think he would stumble into a new field of study.

Chemistry / Biochemistry

created Feb 06, 2012 | popularity 4.3 / 5 (6) | comments 1 | with audio podcast

Researchers invent a switch that could improve electronics

Researchers at the University of Pittsburgh have invented a new type of electronic switch that performs electronic logic functions within a single molecule. The incorporation of such single-molecule elements could enable ...

Nanotechnology / Nanophysics

created Dec 01, 2011 | popularity 4.8 / 5 (8) | comments 1 | with audio podcast

The role of metal ions in amyotrophic lateral sclerosis

(PhysOrg.com) -- Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a progressive neurodegenerative disease that affects motor neurons in the spinal cord, leading to muscle weakness, ...

Chemistry / Biochemistry

created Mar 10, 2011 | popularity 3.3 / 5 (3) | comments 2 | with audio podcast

Physicists find fractal boundaries in crystals

Blacksmiths make horseshoes by heating, beating and bending iron, but what's happening to the metal's individual atoms during such a process? Cornell researchers, using computational modeling, are providing ...

Physics / Condensed Matter

created Sep 03, 2010 | popularity 4.1 / 5 (10) | comments 2 | with audio podcast

Corrosion-resistant nanocoating for metals could replace toxic chromium

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a method for coating metal surfaces with an ultrathin film containing nanoparticles - particles ...

Nanotechnology / Nanomaterials

created Mar 25, 2009 | popularity 4.5 / 5 (2) | comments 0

Paper electrified by copper particles

The Polymer Chemistry Research Group at the University of Helsinki, Finland, has succeeded in producing nano-sized metallic copper particles. When the size of particles is reduced to a nano-scale (one nanometre being one ...

Nanotechnology / Nanomaterials

created Mar 16, 2009 | popularity 2 / 5 (1) | comments 0

Nano-twinned copper: Chinese-Danish scientists develop super strong nanometals

Research shows that it is possible to produce copper about 4 times stronger than commercial material - and doing so while also having a ductile material. As the thermal and electrical conductivity are also good, the manufacturing ...

Nanotechnology / Nanomaterials

created Feb 04, 2009 | popularity 4 / 5 (2) | comments 0

First evaluation of the Clean Water Act's effects on coastal waters reveals major successes

Levels of copper, cadmium, lead and other metals in Southern California's coastal waters have plummeted over the past four decades, according to new research from USC.

Space & Earth / Environment

created Apr 26, 2012 | popularity 5 / 5 (2) | comments 2

Plasmonic nanocrosses that heat up when illuminated can be used to kill cancer

Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby ...

Nanotechnology / Bio & Medicine

created Dec 23, 2011 | popularity 5 / 5 (5) | comments 0

Screens set to go green

Fitting the screens of electronic devices, such as televisions and smartphones, with a new display technology called 'organic light-emitting diodes' (OLEDs) will reduce their energy consumption, but such screens ...

Chemistry / Materials Science

created Aug 22, 2011 | popularity 5 / 5 (4) | comments 0