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51 Current news of UCSD


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‘Forensic fingers’ for crime scene investigation


A team of scientists in the United States has developed a wearable fingertip sensor to enable crime scene investigators to rapidly detect explosives and gunshot residue. Traditional forensic analysis is typically carried out in a central laboratory, which requires time-consuming processes such as ...


Driving magnesium micromotors with seawater


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 ...


Not just cars, but living organisms need antifreeze to survive


If you thought antifreeze was only something that was necessary to keep your car from freezing up in the winter, think again. Plants and animals living in cold climates have natural antifreeze proteins (AFPs) which prevent ice growth and crystallization of organic fluid matter. Without such ...


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New material could improve safety for first responders to chemical hazards

Carbon nanofibers assembled into photonic crystals change color as activated charcoal filters become saturated with dangerous vapors


A new kind of sensor could warn emergency workers when carbon filters in the respirators they wear to avoid inhaling toxic fumes have become dangerously saturated. In a recent issue of the journal Advanced Materials, a team of researchers from the University of California, San Diego and Tyco ...


Tiny sensors tucked into cell phones could map airborne toxins in real time


A tiny silicon chip that works a bit like a nose may one day detect dangerous airborne chemicals and alert emergency responders through the cell phone network. If embedded in many cell phones, its developers say, the new type of sensor could map the location and extent of hazards like gas leaks ...


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The Nobel Prize in Chemistry 2008

For the discovery and development of the green fluorescent protein, GFP


The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Chemistry for 2008 jointly to Osamu Shimomura, Marine Biological Laboratory (MBL), Woods Hole, MA, USA and Boston University Medical School, MA, USA, Martin Chalfie, Columbia University, New York, NY, USA and Roger Y. ...


Clemson scientists put a (nano) spring in their step


Electronic devices get smaller and more complex every year. It turns out that fragility is the price for miniaturization, especially when it comes to small devices, such as cell phones, hitting the floor. Wouldn't it be great if they bounced instead of cracked when dropped? A team of Clemson ...


UC San Diego Physicists Reveal Secrets of Newest Form of Carbon


Using one of the world's most powerful sources of man-made radiation, physicists from UC San Diego, Columbia University and Lawrence Berkeley National Laboratory have uncovered new secrets about the properties of graphene - a form of pure carbon that may one day replace the silicon in computers, ...


Super-sensitive spray-on explosive detector


US scientists have designed a new spray-on explosive detector sensitive enough to detect just a billionth of a gram of explosive. After treatment the explosive glows blue under UV light, making it perfect for use in the field. William Trogler and his team at the University of California, San ...


UC San Diego Scientists Develop Sensor for Homemade Bombs


A team of chemists and physicists at the University of California, San Diego has developed a tiny, inexpensive sensor chip capable of detecting trace amounts of hydrogen peroxide, a chemical used in the most common form of homemade explosives. The invention and operation of this penny-sized ...


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