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Nanotechnology General News

The latest news from academia, regulators
research labs and other things of interest

A closer look at plasmonics

The combination of transmission electron microscopy and electron energy-loss spectroscopy allows for the study of surface plasmon resonance in nanostructures.

Posted: Jul 20th, 2011

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Carbon nanotube 'cupcakes' may help measure terahertz laser power

Researchers at the National Institute of Standards and Technology (NIST) have found that dense arrays of extra-long carbon nanotubes absorb nearly all light of long wavelengths, and thus are promising coatings for prototype detectors intended to measure terahertz laser power.

Posted: Jul 20th, 2011

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Nano foil brightens screen

Nano-imprinting enlarges the luminosity of screens efficiently without using more energy. Engineers of the European research project NaPanil have modified the glass surfaces on the micrometric and nanometric scale in order to control the path of the light.

Posted: Jul 19th, 2011

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Electrically controlling the optical properties of carbon nanotube at visible wavelengths

Smart glass can change color or even go from opaque to transparent with just the flick of a switch. Indium tin oxide is used as an electrical contact in many of these 'electrochromic' devices because it is both transparent to visible light and a good conductor of electricity. But indium and tin are both becoming increasingly expensive as the global supply diminishes. Researchers have now shown that carbon could be the perfect replacement.

Posted: Jul 19th, 2011

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Graphene oxide: a new order

A liquid crystal-like transition between isotropic and nematic phases in liquid suspensions of graphene oxide holds promise for a range of applications.

Posted: Jul 19th, 2011

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Bacteria use Batman-like grappling hooks to 'slingshot' on surfaces

Bacteria use various appendages to move across surfaces prior to forming multicellular bacterial biofilms. Some species display a particularly jerky form of movement known as "twitching" motility, which is made possible by hairlike structures on their surface called type IV pili, or TFP.

Posted: Jul 19th, 2011

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