(Phys.org)—Portable, accurate, and highly sensitive devices that sniff out vapors from explosives and other substances could become as commonplace as smoke detectors in public places, thanks to researchers at University ...
Analytical Chemistry
Nov 20, 2012
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(Phys.org)—Researchers at Penn State University have developed a chemical model that mimics a possible step in the formation of cellular life on Earth four-billion years ago. Using large "macromolecules" called polymers, ...
Cell & Microbiology
Oct 14, 2012
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A research team led by Australian engineers has created the first working quantum bit based on a single atom in silicon, opening the way to ultra-powerful quantum computers of the future.
Quantum Physics
Sep 19, 2012
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Light changes matter in ways that shape our world. Photons trigger changes in proteins in the eye to enable vision; sunlight splits water into hydrogen and oxygen and creates chemicals through photosynthesis; light causes ...
Optics & Photonics
Aug 29, 2012
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(Phys.org) -- Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Viking to the present day. While these molecules have previously ...
Space Exploration
May 24, 2012
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Scientists working at the U.S. Department of Energy's (DOE) SLAC National Accelerator Laboratory have created the shortest, purest X-ray laser pulses ever achieved, fulfilling a 45-year-old prediction and opening the door ...
General Physics
Jan 25, 2012
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Researchers who have been working for nearly a decade to piece together the process by which an enzyme repairs sun-damaged DNA have finally witnessed the entire process in full detail in the laboratory.
Cell & Microbiology
Jul 25, 2011
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(PhysOrg.com) -- Ultrasensitive electronic skin developed by Stanford researcher Zhenan Bao is getting even better. Now she's demonstrated that it can detect chemicals and biological molecules, in addition to sensing an incredibly ...
Engineering
Feb 23, 2011
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(PhysOrg.com) -- It's a mainstay in biological molecules, but carbon isn't the kind of element you'd expect to find in a permanent magnet. Until now. Not only does carbon become magnetized with a little doctoring, as discovered ...
Condensed Matter
Dec 17, 2010
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(PhysOrg.com) -- Assistant Professor of Bioengineering Christina Smolke has engineered biological molecules that regulate a cell's behavior by adjusting their own forms and functions in response to the internal conditions ...
Biotechnology
Nov 30, 2010
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