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In these microbes, iron works like oxygen

18-Apr-2016

A pair of papers from a UW-Madison geoscience lab shed light on a curious group of bacteria that use iron in much the same way that animals use oxygen: to soak up electrons during biochemical reactions. When organisms -- whether bacteria or animal -- oxidize carbohydrates, electrons must go ...

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Oxygen key to containing coal ash contamination

14-Apr-2016

As energy companies decide what to do with aging coal ash disposal facilities in North Carolina and across the nation, they may be overlooking a fundamental but potentially critical variable -- oxygen. In a new study researchers from Duke University demonstrate that the level of oxygen in a coal ...

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Metamaterial separation proposed for chemical, biomolecular uses

07-Mar-2016

The unique properties of metamaterials have been used to cloak objects from light, and to hide them from vibration, pressure waves and heat. Now, a Georgia Institute of Technology researcher wants to add another use for metamaterials: creating a new directional separation technique that cloaks ...

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Praxair signs contract with Total and expands pipeline network in Antwerp port

28-Jan-2016

Praxair, Inc. announced it has signed a 15-year contract to supply oxygen and nitrogen to Total in the Port of Antwerp. Total is currently investing one billion euro in the port to upgrade its largest refining and petrochemicals platform in Europe. As a result, the company will require increased ...

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Uncovering oxygen's role in enhancing red LEDs

14-Jan-2016

In the fabrication of solid state lighting devices, scientists are learning, oxygen plays a two-edged role. While oxygen can impede the effectiveness of gallium nitride (GaN), an enabling material for LEDs, small amounts of oxygen in some cases are needed to enhance the devices' optical ...

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'Hydricity' concept uses solar energy to produce power round-the-clock

17-Dec-2015

Researchers are proposing a new "hydricity" concept aimed at creating a sustainable economy by not only generating electricity with solar energy but also producing and storing hydrogen from superheated water for round-the-clock power production. "The proposed hydricity concept represents a ...

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New material could boost batteries' power, help power plants

14-Apr-2015

You're going to have to think very small to understand something that has the potential to be very big. A team of researchers, including Kyle Brinkman of Clemson University, developed a material that acts as a superhighway for ions. The material could make batteries more powerful, change how ...

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Study reveals how oxygen is like kryptonite to titanium

Discovery could lead to cost-effective use of cheaper grades of popular material

09-Feb-2015

Scientists at the University of California, Berkeley, have found the mechanism by which titanium, prized for its high strength-to-weight ratio and natural resistance to corrosion, becomes brittle with just a few extra atoms of oxygen. The discovery, described in Science, has the potential to open ...

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Tiny power generator runs on spit

07-Apr-2014

Saliva-powered micro-sized microbial fuel cells can produce minute amounts of energy sufficient to run on-chip applications, according to an international team of engineers. Bruce E. Logan, Evan Pugh Professor and Kappe Professor of Environmental Engineering, Penn State, credited the idea to ...

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Novel membrane reveals water molecules will bounce off a liquid surface

Study may lead to more efficient water-desalination systems, fundamental understanding of fluid flow

18-Mar-2014

Consider the nearest water surface: a half-full glass on your desk, a puddle outside your window, or a lake across town. All of these surfaces represent liquid-vapor interfaces, where liquid meets air. Molecules of water vapor constantly collide with these liquid surfaces: Some make it through ...

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