News tagged with gold
Related topics: cancer cells , nanoparticles , nanometers , gold nanoparticles
Faster, cheaper chips from space technology
(PhysOrg.com) -- Our world is full of integrated semiconductor circuits, commonly known as microchips. Today you find them in computers, cars, mobile phones and in almost every electrical device. Technology ...
Mar 26, 2010 |
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Gold Nanobeacons Detect Sentinel Lymph Nodes
(PhysOrg.com) -- Virtually every patient diagnosed with breast cancer or melanoma undergoes lymph node biopsy to determine if their cancer has begun spreading in the body. Taking this biopsy involves an invasive and uncomfortable ...
Nanotechnology / Bio & Medicine
Mar 25, 2010 |
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Researchers create 3-D invisibility cloak: study
European researchers have taken the world a step closer to fictional wizard Harry Potter's invisibility cape after they made an object disappear using a three-dimensional "cloak", a study published Thursday in the US-based ...
Mar 18, 2010 |
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3-D cell culture: Making cells feel right at home
The film "Avatar" isn't the only 3-D blockbuster making a splash this winter. A team of Houston scientists this week unveiled a new technique for growing 3-D cell cultures, a technological leap from the flat petri dish that ...
Nanotechnology / Bio & Medicine
Mar 15, 2010 |
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A golden bullet for cancer: Nanoparticles provide a targeted version of photothermal therapy for cancer
In a lecture he delivered in 1906, the German physician Paul Ehrlich coined the term Zuberkugel, or "magic bullet," as shorthand for a highly targeted medical treatment.
Nanotechnology / Bio & Medicine
Mar 12, 2010 |
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Using Gold Nanoparticles to Hit Cancer Where It Hurts
(PhysOrg.com) -- Taking gold nanoparticles to the cancer cell and hitting them with a laser has been shown to be a promising tool in fighting cancer, but what about cancers that occur in places where a laser light can’t reach? ...
Nanotechnology / Bio & Medicine
Feb 15, 2010 |
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Gold and silver nanowires bond naturally, stay strong
(PhysOrg.com) -- Welding uses heat to join pieces of metal in everything from circuits to skyscrapers. But Rice University researchers have found a way to beat the heat on the nanoscale.
Feb 15, 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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Scientists turn light into electrical current using a golden nanoscale system
Material scientists at the Nano/Bio Interface Center of the University of Pennsylvania have demonstrated the transduction of optical radiation to electrical current in a molecular circuit. The system, an array ...
Feb 12, 2010 |
4.9 / 5 (21) |
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Energy from light and water: New photocatalytic method for the clean production of hydrogen from water
(PhysOrg.com) -- Hydrogen-powered fuel cells and solar energy are the best hope for a more environmentally friendly and resource-sparing energy supply in the future. A combination of the two is considered to be particularly ...
Feb 09, 2010 |
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'Nanobubbles' kill cancer cells
(PhysOrg.com) -- Using lasers and nanoparticles, scientists at Rice University have discovered a new technique for singling out individual diseased cells and destroying them with tiny explosions. The scientists used lasers ...
Nanotechnology / Bio & Medicine
Feb 04, 2010 |
4.8 / 5 (25) |
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An organic transistor paves the way for new generations of neuro-inspired computers
For the first time, French researchers at CNRS and CEA have developed a transistor that can mimic the main functionalities of a synapse.
Nanotechnology / Bio & Medicine
Jan 22, 2010 |
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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 |
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Self-assembling solar panels a step closer
(PhysOrg.com) -- Scientists Robert J. Knuesel and Heiko O. Jacobs of the University of Minnesota have developed a way to make tiny solar cells self-assemble.
Jan 14, 2010 |
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All smoothed out: Hydroxyl radicals remove nanoscopic irregularities on polished gold surfaces
(PhysOrg.com) -- The precious metal gold is the material of choice for many technical applications because it does not corrode - and because it also has interesting electrical, magnetic, and optical properties. Gold is thus ...
Jan 14, 2010 |
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