News tagged with oxidation
Biofilters reduce carbon footprint of old landfill sites
Researchers in the US are testing biofilter systems as a viable alternative to releasing methane from passive landfill vents into the atmosphere. The technology could reduce the overall impact of old landfills on global warming. ...
Jul 11, 2011 |
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Gas giant spacecraft all gassed up
(PhysOrg.com) -- The Juno spacecraft completed hydrazine fuel loading, oxidizer loading and final tank pressurizations this week, and now the complete propulsion system is ready for the trip to Jupiter. The ...
Space & Earth / Space Exploration
Jul 08, 2011 |
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Rhodium-iron catalyst helps increase yield of hydrogen gas in steam reforming of ethanol
Vehicles powered by hydrogen fuel cells generate no exhaust emissions other than clean water vapor. Unfortunately, producing and distributing large quantities of hydrogen gas is impossible with current infrastructures. ...
Jul 07, 2011 |
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New semiconductor nanowire laser technology could kill viruses, improve DVDs
A team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to ...
Jul 05, 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 |
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Tackling tumors with iron oxide
(PhysOrg.com) -- Detecting cancer cells and destroying them, injecting drugs with extreme precision into diseased cells in the human body – these are just two examples of what EPFL scientists are attempting ...
Nanotechnology / Bio & Medicine
Jul 01, 2011 |
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Drug boosts snakebite survival time by half: study
Rubbing snakebites with an ointment that slows the functioning of lymph glands could boost survival times by 50 percent, according to a study released Sunday.
Medicine & Health / Medications
Jun 26, 2011 |
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Nanowire-based sensors offer improved detection of volatile organic compounds
(PhysOrg.com) -- A team of researchers from the National Institute of Standards and Technology (NIST), George Mason University and the University of Maryland has made nano-sized sensors that detect volatile ...
Jun 22, 2011 |
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Self-cleaning anodes could facilitate cost-effective coal-powered fuel cells
Using barium oxide nanoparticles, researchers have developed a self-cleaning technique that could allow solid oxide fuel cells to be powered directly by coal gas at operating temperatures as low as 750 degrees Celsius. The ...
Technology / Energy & Green Tech
Jun 21, 2011 |
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Self-assembling electronic nano-components
Magnetic storage media such as hard drives have revolutionized the handling of information: We are used to dealing with huge quantities of magnetically stored data while relying on highly sensitive electronic ...
Nanotechnology / Nanomaterials
Jun 20, 2011 |
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Elpida uses high-K metal gate technology to develop 2-gigabit DDR2 mobile RAM
Elpida Memory, Japan's leading global supplier of Dynamic Random Access Memory (DRAM), today announced the DRAM industry's first-ever use of high-k metal gate (HKMG) technology to develop a 2-gigabit DDR2 Mobile RAM (LPDDR2) ...
Jun 15, 2011 |
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Ultrathin copper-oxide layers behave like quantum spin liquid
(PhysOrg.com) -- Magnetic studies of ultrathin slabs of copper-oxide materials reveal that at very low temperatures, the thinnest, isolated layers lose their long-range magnetic order and instead behave like ...
Jun 10, 2011 |
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The goal? Cooler, smaller, fuel cells
Fuel cells that use hydrogen or methane to generate electricity in chemical reactions while shedding only harmless byproducts like water are dream products for engineers, environmentalists and business leaders searching for ...
Technology / Energy & Green Tech
Jun 10, 2011 |
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Chemistry with sunlight: Combining electrochemistry and photovoltaics to clean up oxidation reactions
The idea is simple, says Kevin Moeller, PhD, and yet it has huge implications. All we are recommending is using photovoltaic cells (clean energy) to power electrochemical reactions (clean chemistry). Moeller ...
Jun 09, 2011 |
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The heat is on for sodium-manganese oxide rechargeable batteries
(PhysOrg.com) -- By adding the right amount of heat, researchers have developed a method that improves the electrical capacity and recharging lifetime of sodium ion rechargeable batteries, which could be a ...
Nanotechnology / Nanomaterials
Jun 07, 2011 |
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