Nanotechnology News – Latest Headlines

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.

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.

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.

Jul 19th, 2011

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Nanoparticles working in harmony

A team of researchers from MIT, the Sanford-Burnham Medical Research Institute, and the University of California at San Diego (UCSD) has designed a new type of delivery system in which a first wave of nanoparticles hones in on the tumor, then calls in a much larger second wave that dispenses the cancer drug. This communication between nanoparticles, enabled by the body's own biochemistry, boosted drug delivery to tumors by more than 40-fold in a mouse study.

Jul 15th, 2011

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