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Nanophysics news

New absorber will lead to better biosensors

Biological sensors, or biosensors, are like technological canaries in the coalmine. By converting a biological response into an optical or electrical signal, they can alert us to dangers in our external and internal environments. ...

16 hours ago
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Ultrafast remote switching of light emission

Researchers from Eindhoven University of Technology can now for the first time remotely control a miniature light source at timescales of 200 trillionth of a second. They published the results on Sept. 2014 ...

Sep 30, 2014
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Nanotube cathode beats large, pricey laser

Scientists are a step closer to building an intense electron beam source without a laser. Using the High-Brightness Electron Source Lab at DOE's Fermi National Accelerator Laboratory, a team led by scientist ...

Sep 30, 2014
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Solar cell compound probed under pressure

Gallium arsenide, GaAs, a semiconductor composed of gallium and arsenic is well known to have physical properties that promise practical applications. In the form of nanowires and nanoparticles, it has particular ...

Sep 25, 2014
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Magnetic field opens and closes nanovesicle

Chemists and physicists of Radboud University managed to open and close nanovesicles using a magnet. This process is repeatable and can be controlled remotely, allowing targeted drug transport in the body, ...

Sep 24, 2014
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A nanosized hydrogen generator

(Phys.org) —Researchers at the US Department of Energy's (DOE) Argonne National Laboratory have created a small scale "hydrogen generator" that uses light and a two-dimensional graphene platform to boost ...

Sep 20, 2014
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The future face of molecular electronics

The emerging field of molecular electronics could take our definition of portable to the next level, enabling the construction of tiny circuits from molecular components. In these highly efficient devices, ...

Sep 16, 2014
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Making quantum dots glow brighter

Researchers from the University of Alabama in Huntsville and the University of Oklahoma have found a new way to control the properties of quantum dots, those tiny chunks of semiconductor material that glow ...

Sep 16, 2014
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Study sheds new light on why batteries go bad

A comprehensive look at how tiny particles in a lithium ion battery electrode behave shows that rapid-charging the battery and using it to do high-power, rapidly draining work may not be as damaging as researchers ...

Sep 14, 2014
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Other news

Researchers create world's largest DNA origami

Researchers from North Carolina State University, Duke University and the University of Copenhagen have created the world's largest DNA origami, which are nanoscale constructions with applications ranging ...

Samsung China supplier sues US labor watchdog

The origins of handedness in life

Modi wields broom in new 'Clean India' push

New frontier in error-correcting codes

Addressing the weak optical absorption of graphene

Graphene-based photodetectors have attracted strong interest because of their exceptional physical properties, which include an ultra-fast response across a broad spectrum, a strong electron–electron interaction ...

First graphene-based flexible display produced

(Phys.org) —A flexible display incorporating graphene in its pixels' electronics has been successfully demonstrated by the Cambridge Graphene Centre and Plastic Logic, the first time graphene has been used ...

Hide and seek: Sterile neutrinos remain elusive

Nanoparticles give up forensic secrets

US hunts contacts of seriously ill Ebola patient

Genetic secrets of the monarch butterfly revealed

Study shows sharks have personalities

Australia lifts Ebola donation to $16 million

Power can corrupt even the honest

Gov't website for doc payments not up to snuff

Nano-pea pod model widens electronics applications

Periodic chain-like nanostructures are widely used in nanoelectronics. Typically, chain elements include the likes of quantum rings, quantum dots, or quantum graphs. Such a structure enables electrons to ...

The origins of local planetary orbits

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