News tagged with nano particles
Creating nanostructures from the bottom up
Microscopic particles are being coaxed by Duke University engineers to assemble themselves into larger crystalline structures by the use of varying concentrations of microscopic particles and magnetic fields.
Apr 24, 2012 |
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Nano discs pose potential health risk
(PhysOrg.com) -- A revolutionary material that is used in computer technology could pose health risks to those involved in its manufacture.
Nanotechnology / Bio & Medicine
Feb 21, 2012 |
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Optical nanoantennas enable efficient multipurpose particle manipulation
University of Illinois researchers have shown that by tuning the properties of laser light illuminating arrays of metal nanoantennas, these nano-scale structures allow for dexterous optical tweezing as well ...
Jan 12, 2012 |
4.5 / 5 (2) |
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Researchers show that gold doping increases nickel catalyst activity for carbon nanostructure formation
(PhysOrg.com) -- Researchers from the CNST and Arizona State University have demonstrated that the overall catalytic activity of nickel particles for the formation of carbon nanostructures is improved by the addition of a ...
Nanotechnology / Nanomaterials
Oct 13, 2011 |
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Rechargeable lithium-sulfur batteries get a boost from graphene
(PhysOrg.com) -- By wrapping tiny sulfur particles in graphene sheets, researchers from Stanford University have synthesized a promising cathode material for rechargeable lithium-sulfur batteries that could ...
Nanotechnology / Nanomaterials
Jul 13, 2011 |
4.2 / 5 (22) |
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With a simple coating, nanowires show a dramatic increase in efficiency and sensitivity
By applying a coating to individual silicon nanowires, researchers at Harvard and Berkeley have significantly improved the materials' efficiency and sensitivity.
Jul 06, 2011 |
4.8 / 5 (4) |
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Controlled heating of gold nanoparticles
Tiny gold particles are good for transferring heat and could be a promising tool for creating localized heating in, for example, a living cell. In new experiments, German researchers at the Niels Bohr Institute ...
Nanotechnology / Nanomaterials
Jan 17, 2011 |
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A 'magnetic' solution to identify and kill tumors
Though a valuable weapon against cancerous tumors, radiation therapy often harms healthy tissue as it tries to kill malignant cells. Now, Prof. Israel Gannot of Tel Aviv University's Department of Biomedical Engineering is ...
Nanotechnology / Bio & Medicine
Aug 09, 2010 |
4.9 / 5 (14) |
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Sound could save circuits: Researchers theorize acoustic waves may cool microelectronics
(PhysOrg.com) -- "Hot sounds" has one meaning to music fans and another to physicists. Count a team of researchers at Rice University among the latter, as they've discovered that acoustic waves traveling along ...
Apr 28, 2010 |
4.8 / 5 (14) |
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Scientists 'photograph' nano-particle self-assembly
(PhysOrg.com) -- Scientists at the University of Glasgow have imaged the self-assembly of nano-particles, unveiling the blueprint for building designer molecular machines atom-by-atom.
Jan 04, 2010 |
4.7 / 5 (16) |
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Silver nanoparticles show 'immense potential' in prevention of blood clots
Scientists are reporting discovery of a potential new alternative to aspirin, ReoPro, and other anti-platelet agents used widely to prevent blood clots in coronary artery disease, heart attack and stroke. ...
Nanotechnology / Bio & Medicine
May 27, 2009 |
5 / 5 (7) |
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Magnetic nano-'shepherds' organize cells
The power of magnetism may address a major problem facing bioengineers as they try to create new tissue -- getting human cells to not only form structures, but to stimulate the growth of blood vessels to nourish ...
Nanotechnology / Bio & Medicine
Mar 31, 2009 |
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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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Nanocups brim with potential: Light-bending metamaterial could lead to superlenses, invisibility cloaks
Researchers at Rice University have created a metamaterial that could light the way toward high-powered optics, ultra-efficient solar cells and even cloaking devices.
Mar 13, 2009 |
4.8 / 5 (13) |
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First high-resolution images of bone, tooth and shell formation
Researchers at Eindhoven University of Technology (The Netherlands) have for the first time made high-resolution images of the earliest stages of bone formation. They used the world's most advanced electron ...
Nanotechnology / Bio & Medicine
Mar 12, 2009 |
5 / 5 (4) |
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