News tagged with metallic copper
'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 ...
May 17, 2012 |
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Scientists evaluate different antimicrobial metals for use in water filters
Porous ceramic water filters are often coated with colloidal silver, which prevents the growth of microbes trapped in the micro- and nano-scale pores of the filter. Other metals such as copper and zinc have also been shown ...
Nanotechnology / Bio & Medicine
May 24, 2012 |
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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
Apr 11, 2012 |
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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
May 03, 2012 |
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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 ...
Mar 02, 2011 |
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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 ...
Feb 22, 2012 |
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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.
Feb 06, 2012 |
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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 ...
Dec 01, 2011 |
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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.
Apr 26, 2012 |
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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, ...
Mar 10, 2011 |
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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 ...
Sep 03, 2010 |
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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
Mar 25, 2009 |
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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
Dec 23, 2011 |
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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
Mar 16, 2009 |
2 / 5 (1) |
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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 ...
Aug 22, 2011 |
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