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Detecting mirror molecules
New technique reliably tells left-handed from right-handed variant of a compound
24-05-2013
Harvard physicists have developed a novel technique that can detect molecular variants in chemical mixtures – greatly simplifying a process that is one of the most important, though time-consuming, processes in analytical chemistry. As described in a paper in Nature, post-doctoral researcher ...
Meeting the 'grand challenge' of a sustainable water supply
24-05-2013
Scientists and engineers must join together in a major new effort to educate the public and decision makers on a crisis in providing Earth's people with clean water that looms ahead in the 21st century. That's the focus of a comment article in the current edition of Chemical & Engineering ...
More emphasis needed on recycling and reuse of Li-ion batteries
24-05-2013
The discovery of potential environmental and human health effects from disposal of millions of rechargeable lithium-ion batteries each year has led scientists to recommend stronger government policies to encourage recovery, recycling and reuse of lithium-ion (Li-ion) battery materials. That's ...
New method for producing clean hydrogen
23-05-2013
Duke University engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil fuels and their environmental implications. While hydrogen is ubiquitous in the environment, producing and collecting molecular hydrogen for ...
New molecular probes that shed light on biological systems
22-05-2013
Reactive sulfur species have attracted increasing attention in biomedical research because of their involvement in a variety of physiological functions. There has been a rising interest in sulfane sulfur compounds – compounds which contain sulfur atoms with six valence electrons, but no ...
Driving magnesium micromotors with seawater
22-05-2013
Scientists in the California have developed magnesium-based Janus micromotors that self-propel in seawater. Research shows how the micromotors can be used to capture and transport oil droplets from contaminated seawater, presenting a possible environmental application for the removal of oil ...
A new laser paradigm: An electrically injected polariton laser
17-05-2013
Engineering researchers at the University of Michigan have demonstrated a paradigm-shifting "polariton" laser that's fueled not by light, but by electricity. Polaritons are particles that are part light, and part matter. "We report the first electrically injected polariton laser—a truly ...
UC Santa Barbara scientist studies methane levels in cross-continent drive
17-05-2013
After taking a rented camper outfitted with special equipment to measure methane on a cross-continent drive, a UC Santa Barbara scientist has found that methane emissions across large parts of the U.S. are higher than currently known, confirming what other more local studies have found. Their ...
Stanford ultraresponsive magnetic nanoscavengers for next generation water purification
New synthetic cored nanoparticle could decontaminate tainted water and then be cleared with a magnet
17-05-2013
Among its many talents, silver is an antibiotic. Titanium dioxide is known to glom on to certain heavy metals and pollutants. Yet other materials do the same for salt. In recent years, environmental engineers have sought to disinfect, depollute, and desalinate contaminated water using ...
Keeping fruit, vegetables and cut flowers fresh longer
16-05-2013
New technology offers the promise of reducing billions of dollars of losses that occur each year from the silent, invisible killer of fruits, vegetables and cut flowers — a gas whose effects are familiar to everyone who has seen bananas and other fruit ripen too quickly and rot. That's the ...
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