News tagged with gold surface
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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Solved: The mystery of the nanoscale crop circles
(PhysOrg.com) -- Almost three years ago a team of scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) was performing an experiment in which layers of gold mere ...
Mar 02, 2012 |
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Researchers efficiently couple light from a plane wave into a surface plasmon mode
Researchers from the NIST Center for Nanoscale Science and Technology have made a grating coupler that transmits over 45 % of the incident optical energy from a plane wave into a single surface plasmon polariton (SPP) mode ...
Feb 02, 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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Cobblestones fool innate immunity
Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...
Nanotechnology / Bio & Medicine
Nov 29, 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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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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Entry prohibited for AIDS viruses: Peptide triazole inhibitors disrupt cell-free HIV-1
(PhysOrg.com) -- The initial entry of HIV-1 into host cells remains a compelling yet elusive target for the development of agents to prevent infection, a critical need in the fight against the global AIDS ...
Jul 08, 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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What a ride! Researchers take molecules for a spin (w/ Video)
(PhysOrg.com) -- Kolomeisky and Rice graduate student Alexey Akimov have taken a large step toward defining the behavior of these molecular whirligigs with a new paper in the American Chemical Society's Journal of Physical ...
Feb 01, 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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Prediction of intrinsic magnetism at silicon surfaces could lead to single-spin magnetoelectronics
The integration of single-spin magnetoelectronics into standard silicon technology may soon be possible, if experiments confirm a new theoretical prediction by physicists at the Naval Research Laboratory and ...
Aug 26, 2010 |
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New architectures for nano brushes: Bitty structures can be tailored in many shapes
(PhysOrg.com) -- Just as cilia lining the lungs help keep passages clear by moving particles along the tips of the tiny hair-structures, man-made miniscule bristles known as nano-brushes can help reduce friction ...
Nanotechnology / Nanomaterials
Aug 24, 2010 |
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Biosensor chip enables high-sensitivity protein analysis for disease diagnosis
In the battle against cancer and other diseases, precise analysis of specific proteins can point the way toward targeted treatments. Scientists at the Technische Universitaet Muenchen (TUM, Germany), together ...
Nanotechnology / Bio & Medicine
Apr 22, 2010 |
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