News tagged with gold atoms
The finest gold dust in the world
(Phys.org) -- Scientists at the Vienna University of Technology found a method to locate single gold atoms on a surface. This should pave the way to better and cheaper catalysts.
May 30, 2012 |
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DNA as invisible ink can reversibly hide patterns
(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...
Nanotechnology / Bio & Medicine
Jan 23, 2012 |
4.3 / 5 (8) |
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Graphene nanoribbons grow due to domino-like effect
(PhysOrg.com) -- While many labs are trying to efficiently synthesize large two-dimensional sheets of graphene, a team of researchers from Sweden and the UK is investigating the synthesis of very thin strips ...
Nanotechnology / Nanomaterials
Sep 15, 2011 |
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Researchers direct the self-assembly of gold nanoparticles into device-ready thin films
Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California (UC) Berkeley have directed the first self-assembly of nanoparticles into device-ready materials. Through ...
Apr 27, 2012 |
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Cosmic crashes forging gold: Nuclear reactions in space do produce the heaviest elements
(PhysOrg.com) -- Collisions of neutron stars produce the heaviest elements such as gold or lead. The cosmic site where the heaviest chemical elements such as lead or gold are formed has most likely been identified: ...
Sep 09, 2011 |
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Strange Antihyperparticle Created
(PhysOrg.com) -- Physicists, including nine from UC Davis, working at the U.S. Department of Energy's Brookhaven National Laboratory recently created some strange matter not seen since just after the Big Bang -- an "antihypertriton" ...
Mar 30, 2010 |
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'Perfect' Liquid Hot Enough to be Quark Soup (w/ Video)
Recent analyses from the Relativistic Heavy Ion Collider (RHIC), a 2.4-mile-circumference "atom smasher" at the U.S. DOE's Brookhaven National Laboratory, establish that collisions of gold ions traveling at ...
Feb 15, 2010 |
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Touch of gold improves nanoparticle fuel-cell reactions
Advances in fuel-cell technology have been stymied by the inadequacy of metals studied as catalysts. The drawback to platinum, other than cost, is that it absorbs carbon monoxide in reactions involving fuel ...
Nanotechnology / Nanomaterials
Mar 12, 2012 |
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Golden pairs: Catalytic dimers of gold atoms make ethylene from methane
(PhysOrg.com) -- Ethylene (ethene, CH2=CH2) is a primary feedstock for chemical industry, and particularly for the production of plastics like polyethylene and polystyrene. Ethylene is currently made by the steam cracking ...
Jan 19, 2010 |
4.9 / 5 (9) |
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Oxygen in place of chlorine: Towards a more environmentally friendly propylene oxide synthesis
(PhysOrg.com) -- Propylene oxide is an important bulk chemical that is used primarily in the production of polyurethane plastics. Currently, propylene oxide is usually made from propylene (propene) in a process that uses ...
Nanotechnology / Nanomaterials
Oct 01, 2009 |
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Preparing a homogenous haystack
(PhysOrg.com) -- What if you could turn the whole haystack into needles? Instead of hunting for one item, you’d have 10 billion of the desired items laid out neatly in front of you. That’s what researchers ...
Nanotechnology / Nanomaterials
Nov 28, 2011 |
4 / 5 (1) |
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Researchers heat up gold to surprising effect: It gets harder not softer
Common sense tells us that when you heat something up it gets softer, but a team of researchers, led by University of Toronto chemistry and physics professor R.J. Dwayne Miller, has demonstrated the exact ...
Jan 22, 2009 |
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NMR used to determine whether gold nanoparticles exhibit 'handedness'
Carnegie Mellon University's Roberto R. Gil and Rongchao Jin have successfully used NMR to analyze the structure of infinitesimal gold nanoparticles, which could advance the development and use of the tiny ...
Nanotechnology / Bio & Medicine
Dec 08, 2011 |
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Narrowest bridges of gold are also the strongest, study finds
At an atomic scale, the tiniest bridge of gold -- that made of a single atom -- is actually the strongest, according to new research by engineers at the University at Buffalo's Laboratory for Quantum Devices.
Jul 13, 2011 |
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The perfect nanocube: Precise control of size, shape and composition
(PhysOrg.com) -- With growing interest in using nanoparticles for everything from antibacterial socks to medical imaging to electronic devices, the need to understand the environmental, health and safety risks ...
Nanotechnology / Nanomaterials
Sep 01, 2010 |
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