News tagged with chemical energy

Related topics: energy , photosynthesis , fuel cell

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

(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 ...

Chemistry / Materials Science

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

First Pump-Probe Experiment at Linac Coherent Light Source Completed

(PhysOrg.com) -- The first experiment using the Linac Coherent Light Source to illuminate molecules via a "pump-probe" technique has been completed by an international team of more than 30 scientists from ...

Physics / General Physics

created Nov 30, 2009 | popularity 4.7 / 5 (12) | comments 0

Simultaneous Nanoscale Imaging of Surface and Bulk Atoms

(PhysOrg.com) -- Brookhaven Lab scientists have developed a new scanning electron microscope capable of selectively imaging single atoms on a surface while simultaneously probing atoms throughout the sample?s ...

Nanotechnology / Nanophysics

created Sep 21, 2009 | popularity 4.9 / 5 (9) | comments 0

Inner workings of molecular thermostat point to pathways to fight diabetes, obesity

Best known as the oxygen-carrying component of hemoglobin, the protein that makes blood red, heme also plays a role in chemical detoxification and energy metabolism within the cell. Heme levels are tightly ...

Medicine & Health / Medical research

created Sep 11, 2009 | popularity not rated yet | comments 0

Scientists hone technique to safeguard water supplies

A method to detect contaminants in municipal water supplies has undergone further refinements by two Oak Ridge National Laboratory researchers whose findings are published on line in Water Environment Research.

Space & Earth / Environment

created Aug 28, 2009 | popularity not rated yet | comments 0

Lower-cost solar cells to be printed like newspaper, painted on rooftops

Solar cells could soon be produced more cheaply using nanoparticle "inks" that allow them to be printed like newspaper or painted onto the sides of buildings or rooftops to absorb electricity-producing sunlight.

Nanotechnology / Nanomaterials

created Aug 24, 2009 | popularity 4.2 / 5 (32) | comments 12

Scientists control living cells with light; advances could enhance stem cells' power

University of Central Florida researchers have shown for the first time that light energy can gently guide and change the orientation of living cells within lab cultures. That ability to optically steer cells could be a major ...

Physics / Optics & Photonics

created Aug 11, 2009 | popularity 4.6 / 5 (5) | comments 0

Bringing solar power to the masses

On a 104-degree Friday in July when sunlight bathed The University of Arizona campus, doctoral student Dio Placencia sat before a noisy vacuum chamber in the Chemical Sciences Building trying to advance the renewable energy ...

Technology / Energy & Green Tech

created Aug 05, 2009 | popularity 4 / 5 (11) | comments 2

New clues about a hydrogen fuel catalyst

(PhysOrg.com) -- To use hydrogen as a clean energy source, some engineers want to pack hydrogen into a larger molecule, rather than compressing the gas into a tank. A gas flows easily out of a tank, but getting ...

Chemistry / Materials Science

created Aug 05, 2009 | popularity 4.1 / 5 (7) | comments 4

Researchers discover breakthrough method for chemical separations

A team of researchers, led by chemical engineering and materials science professor Michael Tsapatsis in the University of Minnesota's Institute of Technology, have developed a more energy-efficient method of chemical separations ...

Chemistry / Biochemistry

created Aug 03, 2009 | popularity 5 / 5 (2) | comments 1

Membrane breaks through performance barrier

(PhysOrg.com) -- Engineers have developed a new method for creating high-performance membranes from crystal sieves called zeolites; the method could increase the energy efficiency of chemical separations up ...

Chemistry / Materials Science

created Jul 30, 2009 | popularity 4.8 / 5 (5) | comments 0

Scientists discover a new mechanism controlling neuronal migration

The molecular machinery that helps brain cells migrate to their correct place in the developing brain has been identified by scientists at St. Jude Children's Research Hospital. The finding offers new insight into the forces ...

Medicine & Health / Neuroscience

created Jul 15, 2009 | popularity not rated yet | comments 0

Researchers observe single protein dimers wavering between two symmetrically opposed structures

Researchers at The Scripps Research Institute, the University of California, San Diego, and Ohio State University have used a very sensitive fluorescence technique to find that a bacterial protein thought to exist in one ...

Chemistry / Biochemistry

created Jun 19, 2009 | popularity 4.7 / 5 (3) | comments 0

Salmonella's sweet tooth predicts its downfall

For the first time UK scientists have shown what the food poisoning bug Salmonella feeds on to survive as it causes infection: glucose.

Biology / Biotechnology

created May 19, 2009 | popularity 5 / 5 (2) | comments 1

Physicist develops battery using new source of energy

Researchers at the University of Miami and at the Universities of Tokyo and Tohoku, Japan, have been able to prove the existence of a "spin battery," a battery that is "charged" by applying a large magnetic ...

Physics / General Physics

created Mar 11, 2009 | popularity 4.7 / 5 (53) | comments 11