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Nanotechnology General News

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

Nanostrukturen schalten schneller

Rund 100 Nanometer lange Polymerketten koennen als winzige Schalter fuer kuenftige technische Anwendungen dienen. Bisher galt die Reaktionszeit der Nanostrukturen jedoch als zu langsam - eine Gruppe von Forschern der Uni Duisburg-Essen hat nun das Gegenteil bewiesen.

Posted: May 10th, 2011

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Optical control of magnetic effects at the nanoscale

Physicists have succeeded in developing a procedure to merge magneto-optics and plasmonics. The effects which were realized for the first time are already that promising, that their application in electronic components should be possible in the next future.

Posted: May 10th, 2011

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Electromechanics also operates at the nanoscale

What limits the behaviour of a carbon nanotube? This is a question that many scientists are trying to answer. Physicists at University of Gothenburg, Sweden, have now shown that electromechanical principles are valid also at the nanometre scale. In this way, the unique properties of carbon nanotubes can be combined with classical physics - and this may prove useful in the quantum computers of the future.

Posted: May 9th, 2011

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Hydrogen opens the road to graphene... and graphane

An international research team has discovered a new method to produce belts of graphene called nanoribbons. By using hydrogen, they have managed to unzip single-walled carbon nanotubes. The method also opens the road for producing nanoribbons of graphane, a modified and promising version of graphene.

Posted: May 9th, 2011

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Low-cost, efficient catalyst boosts hydrogen fuel technology

Scientists from CINF, CASE, Stanford University and SLAC National Accelerator Laboratory have engineered a cheap, abundant alternative to the expensive platinum catalyst and coupled it with a light-absorbing electrode to make hydrogen fuel from sunlight and water.

Posted: May 9th, 2011

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Nano-FTIR - nanoscale infrared spectroscopy with a thermal source

Researchers from the Basque nanoscience research center CIC nanoGUNE and Neaspec GmbH (Germany) have developed an instrument that allows for recording infrared spectra with a thermal source at a resolution that is 100 times better than in conventional infrared spectroscopy.

Posted: May 9th, 2011

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Multicolored fluorescent nanostructures show promise for cellular imaging

Combining the unique optical properties and potential for surface functionality of silicon nanostructures with the electronic properties of quantum dots offers exciting prospects for biological and optoelectronic applications. In particular, silicon nanowires coated with metal nanoparticles are known to display enhanced optical properties that could be used as the basis for more-efficient, longer-lasting biological sensors.

Posted: May 9th, 2011

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