186 Current news about the topic sensors

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Sensor network tracks down illegal bomb-making

06-Oct-2014

A network of different sensors is to detect illicit production of explosives and improvised explosive devices (IEDs). Traces on doorknobs, in sewage or in the air will be detected by the sensors and the data will be fused in a command center. The Fraunhofer Institute for Applied Solid State ...

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Innovative image sensing technology for early diagnosis of diabetes and Alzheimer’s disease

25-Sep-2014

Professor Kazuaki Sawada and Dr. Takigawa of the National Center for Geriatrics and Gerontology and colleagues at Toyohashi University of Technology have established an easy to use, low-cost, rapid, and high sensitivity semiconductor-imaging based medical diagnostic biosensing system for ...

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A molecule in an optical whispering gallery

With the help of a microsphere and a nanowire, single unlabelled biomolecules can be detected through light

24-Sep-2014

Being able to track individual biomolecules and observe them at work is every biochemist’s dream. This would enable the scientists to research in detail and better understand the workings of the nanomachines of life, such as ribosomes and DNA polymerases. Researchers at the Max Planck Institute ...

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Graphene imperfections key to creating hypersensitive 'electronic nose'

24-Sep-2014

Researchers have discovered a way to create a highly sensitive chemical sensor based on the crystalline flaws in graphene sheets. The imperfections have unique electronic properties that the researchers were able to exploit to increase sensitivity to absorbed gas molecules by 300 times. The study ...

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The shadow of a disease

Proteins such as tumour markers can be easily and sensitively detected by their scattered light

16-Sep-2014

In future, some diseases might be diagnosed earlier and treated more effectively. Researchers at the Max Planck Institute for the Science of Light in Erlangen have developed an optical method that makes individual proteins, such as the proteins characteristic of some cancers, visible. Other ...

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New technique for measuring nanostructures

27-Aug-2014

Bringing two electrical insulators together to create an electrical superconductor: Anyone wishing to analyze such phenomena in nanostructures will soon come up against metrological limitations – unless a new method is used that Würzburg physicists have helped to develop. Modern electronic ...

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Nano-sized chip "sniffs out" explosives far better than trained dogs

Tel Aviv University researcher's groundbreaking sensor detects miniscule concentrations of hazardous materials in the air

01-Aug-2014

Security forces worldwide rely on sophisticated equipment, trained personnel, and detection dogs to safeguard airports and other public areas against terrorist attacks. A new electronic chip with nano-sized chemical sensors is about to make their job much easier. The groundbreaking ...

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Tiny laser sensor heightens bomb detection sensitivity

24-Jul-2014

New technology under development at the University of California, Berkeley, could soon give bomb-sniffing dogs some serious competition. A team of researchers led by Xiang Zhang, UC Berkeley professor of mechanical engineering, has found a way to dramatically increase the sensitivity of a ...

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Rice nanophotonics experts create powerful molecular sensor

Sensor amplifies optical signature of single molecules about 100 billion times

23-Jul-2014

Nanophotonics experts at Rice University have created a unique sensor that amplifies the optical signature of molecules by about 100 billion times. Newly published tests found the device could accurately identify the composition and structure of individual molecules containing fewer than 20 ...

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World's first fluorescent sensor to detect date rape drug

01-Apr-2014

A team of researchers from the National University of Singapore (NUS) has developed the world's first fluorescent sensor to identify the presence of a drug known as GHB that is commonly used to spike beverages. When the sensor is mixed with a sample of a beverage containing GHB, the mixture ...

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