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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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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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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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 |
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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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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 |
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Nanoparticle imaging: A resonant improvement
Raman spectroscopy is a powerful technique for analyzing atomic structure based on the inelastic scatter of light from molecules, with diverse applications including medical imaging and chemical sensing. Researchers ...
Nanotechnology / Bio & Medicine
Oct 28, 2011 |
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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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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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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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Better lasers for optical communications
A new laser procedure could boost optical fiber communications. This technique could become essential for the future expansion of the Internet. It also opens up new frontiers in basic research.
Apr 12, 2011 |
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Rapid etching X-rayed: Physicists unveil processes during fast chemical dissolution
A breakthrough in the study of chemical reactions during etching and coating of materials was achieved by a research group headed by Kiel physicist, Professor Olaf Magnussen. The team from the Christian-Albrechts-Universitat ...
Mar 23, 2011 |
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Fingerprints of a gold cluster revealed
Nanometre-scale gold particles are currently intensively investigated for possible applications in catalysis, sensing, photonics, biolabelling, drug carriers and molecular electronics. The particles are prepared ...
Feb 28, 2011 |
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Engineer shrinks 'U' logo
In an example of how a technology wonk displays school spirit, an engineer has created a golden University of Utah logo that is smaller than the width of an average human hair.
Nanotechnology / Nanomaterials
Sep 17, 2010 |
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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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