News tagged with iron oxide
Related topics: magnetic field , cancer cells , nanoparticles
Under the influence of magnetic drugs
(Phys.org) -- For more than three decades scientists have been investigating magnetic nanoparticles as a method of drug delivery. Now by combining three metals - iron, gold and platinum - pharmacists at the ...
Nanotechnology / Bio & Medicine
23 hours ago |
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An unlikely route to ferroelectricity
(Phys.org) -- Ferroelectricity, which was first observed in the 1940s, is an interesting phenomenon involving the spontaneous (non-induced) formation of charge polarization (separation of charge) in certain ...
May 18, 2012 |
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Physicists discover 'magnetotoroidic effect'
(PhysOrg.com) -- For many years, scientists have known about the magnetoelectric effect, in which an electric field can induce and control a magnetic field, and vice versa. In this effect, the electric field has always been ...
Sep 26, 2011 |
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In hydrogenation and hydrogenolysis chemical reactions, water adds speed without heat
(Phys.org) -- An international team of researchers has discovered how adding trace amounts of water can tremendously speed up chemical reactions—such as hydrogenation and hydrogenolysis—in which ...
May 17, 2012 |
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Study Yields Surprising New Insight into High-Temp Superconductors
(PhysOrg.com) -- Recently, an international group of researchers discovered that the underlying mechanism producing high-temperature superconductivity in a widely studied class of copper-oxygen-based superconductors may be ...
Mar 17, 2009 |
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A new kind of metal in the deep Earth
(PhysOrg.com) -- The crushing pressures and intense temperatures in Earth's deep interior squeeze atoms and electrons so closely together that they interact very differently. With depth materials change. New ...
Dec 19, 2011 |
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NASA research offers new prospect of water on Mars
(PhysOrg.com) -- NASA scientists are seeing new evidence that suggests traces of water on Mars are under a thin varnish of iron oxide, or rust, similar to conditions found on desert rocks in California's Mojave ...
Space & Earth / Space Exploration
Jul 02, 2011 |
4.9 / 5 (12) |
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Scientists make tiny new magnets from old bugs
(PhysOrg.com) -- Scientists in Manchester have found a clean and green way of making tiny magnets for high tech gadgets - using natural bacteria that have been around for millions of years.
Nanotechnology / Bio & Medicine
Mar 01, 2010 |
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New 'nanobead' approach could revolutionize sensor technology
Researchers at Oregon State University have found a way to use magnetic "nanobeads" to help detect chemical and biological agents, with possible applications in everything from bioterrorism to medical diagnostics, ...
Apr 26, 2011 |
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Nanorods could greatly improve visual display of information (w/ Video)
Chemists at the University of California, Riverside have developed tiny, nanoscale-size rods of iron oxide particles in the lab that respond to an external magnetic field in a way that could dramatically improve ...
Nanotechnology / Nanomaterials
Mar 14, 2011 |
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Nanonets give rust a boost as agent in water splitting's hydrogen harvest
Coating a lattice of tiny wires called Nanonets with iron oxide – known more commonly as rust – creates an economical and efficient platform for the process of water splitting, an emerging clean ...
Nanotechnology / Nanomaterials
Feb 09, 2011 |
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'Ferropaper' is new technology for small motors, robots
(PhysOrg.com) -- Researchers at Purdue University have created a magnetic "ferropaper" that might be used to make low-cost "micromotors" for surgical instruments, tiny tweezers to study cells and miniature ...
Nanotechnology / Nanomaterials
Jan 05, 2010 |
3.9 / 5 (12) |
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Machine Converts CO2 into Gasoline, Diesel, and Jet Fuel
(PhysOrg.com) -- Researchers at Sandia National Laboratories have built a machine that uses the sun's energy to convert carbon dioxide waste from power plants into transportation fuels such as gasoline, diesel, ...
Nov 23, 2009 |
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Researchers use nanoparticles, magnetic current to damage cancerous cells in mice
Using nanoparticles and alternating magnetic fields, University of Georgia scientists have found that head and neck cancerous tumor cells in mice can be killed in half an hour without harming healthy cells.
Nanotechnology / Bio & Medicine
Mar 27, 2012 |
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Fool's gold may prove an unlikely alternative to overexploited catalytic materials
Catalytic materials, which lower the energy barriers for chemical reactions, are used in everything from the commercial production of chemicals to catalytic converters in car engines. However, with current catalytic materials ...
Feb 10, 2012 |
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