News tagged with electron donor


A light touch: Iron complexes as efficient catalysts for the light-driven extraction of hydrogen from water

Chemistry / Materials Science

created Dec 02, 2009 | popularity 5 / 5 (4) | comments 3

(PhysOrg.com) -- Hydrogen is a promising alternative energy carrier that can be efficiently converted into electrical energy in fuel cells. One hurdle to the introduction of sustainable hydrogen technology is the fact that ...


Researchers Identify Problems in the Uranium Bioremediation Avenue

Researchers Identify Problems in the Uranium Bioremediation Avenue

Space & Earth / Environment

created Mar 26, 2009 | popularity 3.8 / 5 (5) | comments 2

(PhysOrg.com) -- Toxic uranium is often found in soil and groundwater in places where uranium was either mined or enriched to make nuclear fuel and weapons. Uranium contamination, which is a threat to wildlife ...





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Johns Hopkins scientists discover a controller of brain circuitry

Scientists discover a controller of brain circuitry

Medicine & Health / Neuroscience

created Dec 28, 2009 | popularity 4.9 / 5 (15) | comments 2

By combining a research technique that dates back 136 years with modern molecular genetics, a Johns Hopkins neuroscientist has been able to see how a mammal's brain shrewdly revisits and reuses the same molecular ...


Research gives new perspective on periodic table

Research gives new perspective on periodic table

Physics / General Physics

created Dec 28, 2009 | popularity 4.8 / 5 (42) | comments 9

Transforming lead into gold is an impossible feat, but a similar type of "alchemy" is not only possible, but cost-effective too. Three Penn State researchers have shown that certain combinations of elemental ...


An easy way to see the world's thinnest material

Nanotechnology / Nanomaterials

created Dec 23, 2009 | popularity 4.8 / 5 (12) | comments 1

It's been used to dye the Chicago River green on St. Patrick's Day. It's been used to find latent blood stains at crime scenes. And now researchers at Northwestern University have used it to examine the thinnest material ...


Study sheds light on microscopic flower petal ridges

Study sheds light on microscopic flower petal ridges

Biology / Plants & Animals

created Dec 22, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- Microscopic ridges contouring the surface of flower petals might play a role in flashing that come-hither look pollinating insects can't resist. Michigan State University scientists and colleagues ...


Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)

Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)

Physics / General Physics

created Dec 22, 2009 | popularity 4.9 / 5 (7) | comments 0

Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...


Part 1: From Linacs to Lasers: Accelerators and Light Sources of Tomorrow

Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)

Physics / General Physics

created Dec 22, 2009 | popularity 4.7 / 5 (6) | comments 2

From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...


Marohn describes breakthrough imaging technology

Researchers are on the path to creating nano-MRI images

Physics / General Physics

created Dec 22, 2009 | popularity 4.7 / 5 (6) | comments 1

(PhysOrg.com) -- Cornell researchers are devising methods to detect the magnetic fields of individual electrons and atomic nuclei, which they hope to use to make a nanoscale version of magnetic resonance imaging.


Scientists improve chip memory by stacking cells

Technology / Semiconductors

created Dec 21, 2009 | popularity 4.5 / 5 (17) | comments 3

(PhysOrg.com) -- Scientists at Arizona State University have developed an elegant method for significantly improving the memory capacity of electronic chips.


Nanoparticles go platinum: NCEM instruments provide key images

Nanoparticles go platinum: NCEM instruments provide key images

Nanotechnology / Nanophysics

created Dec 21, 2009 | popularity 4.7 / 5 (3) | comments 0

At Berkeley Lab's National Center for Electron Microscopy it was revealed that single-stranded DNA can disperse bundles of single-walled carbon nanotubes into individual tubes and serve as guideposts for synthesizing ...


Switchable Nanostructures Made with DNA

Switchable Nanostructures Made with DNA

Nanotechnology / Bio & Medicine

created Dec 21, 2009 | popularity 4.6 / 5 (9) | comments 0

(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting ...



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