240 Current news about the topic sensors

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Cell phones that protect against deadly chemicals? Why not?

Crowdsourcing cell phones to detect chemicals

15-Apr-2010

Do you carry a cell phone? Today, chances are it's called a "smartphone" and it came with a three-to-five megapixel lens built-in—not to mention an MP3 player, GPS or even a bar code scanner. This 'Swiss-Army-knife' trend represents the natural progression of technology—as chips become ...

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Scent or stench? Odors of diapers and aroma compounds can be measured objectively

08-Apr-2010

For consumables like diapers and also for many foodstuffs the smell is a very decisive factor. Consumers can be convinced more easily, if it smells good. And also during the use of the product the smell is essential. Today, the human nose is still the best gauge to determine which product is most ...

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Tiny gold probes give scientists a sense of how disease develops

01-Apr-2010

Tiny chemical sensors implanted into patients could help diagnose disease and track its progress, following a development by scientists from the University of Edinburgh. Researchers have developed tiny probes comprising gold-coated particles. These can be inserted into cells, enabling diseases to ...

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Chemist monitors nanotechnology's environmental impact

31-Mar-2010

Interest in 'green' innovation means not just thinking big but also very, very, very small. At least that's the way Omowunmi Sadik, director of Binghamton University's Center for Advanced Sensors and Environmental Systems, sees it. She's working to develop sensors that would detect and identify ...

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Researchers use improved nanogenerators to power sensors based on zinc oxide nanowires

Self-powered nanosensors

31-Mar-2010

By combining a new generation of piezoelectric nanogenerators with two types of nanowire sensors, researchers have created what are believed to be the first self-powered nanometer-scale sensing devices that draw power from the conversion of mechanical energy. The new devices can measure the pH of ...

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A more sensitive sensor

TAU pioneers sensor technology for industry using nano-sized carbon tubes

25-Mar-2010

Electro-mechanical sensors tell the airbag in your car to inflate and rotate your iPhone screen to match your position on the couch. Now a research group of Tel Aviv University's Faculty of Engineering is making the technology even more useful. Prof. Yael Hanein, Dr. Slava Krylov and their ...

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New imaging technology brings trace chemicals into focus

16-Mar-2010

Arizona State Univeristy scientist N.J. Tao and his colleagues at the Biodesign Institute have hit on a new, versatile method to significantly improve the detection of trace chemicals important in such areas as national security, human health and the environment. Tao's team was able to detect ...

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New sensor array detects single molecules for the first time

Carbon nanotube sensor detects hydrogen peroxide emanating from a single living cell

09-Mar-2010

MIT chemical engineers have built a sensor array that, for the first time, can detect single molecules of hydrogen peroxide emanating from a single living cell. Hydrogen peroxide has long been known to damage cells and their DNA, but scientists have recently uncovered evidence that points to a ...

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Printable sensors

05-Mar-2010

In future every home will have one: electronic devices that you can control just by pointing a finger. To turn this vision into reality the 3Plast research consortium is developing special sensors that can be printed onto plastic film and affixed to objects. The cellphone is switched off but ...

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New ORNL sensor exploits traditional weakness of nano devices

17-Feb-2010

By taking advantage of a phenomenon that until now has been a virtual showstopper for electronics designers, a team led by Oak Ridge National Laboratory's Panos Datskos is developing a chemical and biological sensor with unprecedented sensitivity. Ultimately, researchers believe this new ...

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