Nanotechnology News – Latest Headlines

A dash of disorder yields a very efficient photocatalyst

A little disorder goes a long way, especially when it comes to harnessing the sun's energy. Scientists from the Berkeley Lab jumbled the atomic structure of the surface layer of titanium dioxide nanocrystals, creating a catalyst that is both long lasting and more efficient than all other materials in using the sun's energy to extract hydrogen from water.

Jan 28th, 2011

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Touchscreens made of carbon nanotubes

Touchscreens are in - although the technology still has its price. The little screens contain rare and expensive elements. This is the reason why researchers at Fraunhofer are coming up with an alternative display made of low-priced renewable raw materials available all over the world. The researchers are presenting touchscreens that contain carbon nanotubes at the nano tech 2011 fair in Tokyo.

Jan 28th, 2011

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DNA caught rock 'n rollin'

DNA, that marvelous, twisty molecule of life, has an alter ego, research at the University of Michigan and the University of California, Irvine reveals. On rare occasions, its building blocks 'rock and roll', deforming the familiar double helix into a different shape.

Jan 28th, 2011

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Hydrogen-fuelled aircraft closer to take-off

The University of Glasgow is working with EADS Innovation Works (EADS IW) on developing a revolutionary storage system for hydrogen that would pave the way for using hydrogen as a clean alternative to hydrocarbon-based fuels in aeroplanes.

Jan 28th, 2011

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How safe Is Nano? Nanotoxicology: An interdisciplinary challenge

The rapid development of nanotechnology has increased fears about the health risks of nano-objects. Are these fears justified? Do we need a new discipline, nanotoxicology, to evaluate the risks? Harald F. Krug and Peter Wick of the Swiss Federal Laboratories for Materials Science and Technology discuss these questions in the journal Angewandte Chemie.

Jan 28th, 2011

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Literatur zu Nanotechnologie am Arbeitsplatz

Einen Ueberblick ueber die aktuelle Literatur im Bereich der Nanotechnologie gibt der neue 'Sonderinformationsdienst Nanotechnologie', den die Fachbibliothek der Bundesanstalt fuer Arbeitsschutz und Arbeitsmedizin (BAuA) jetzt veroeffentlicht hat.

Jan 28th, 2011

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Memory training for metal structures

Structured surfaces have special properties. It would be desirable to make these properties switchable. This, for example, would allow for friction and adhesion to be specifically switched on and off on metallic surfaces. How to train structured surfaces for this effect has been under investigation by the junior research group 'Metallic Microstructures' at the Leibniz Institute for New Materials since January 2011.

Jan 28th, 2011

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A mix of tiny gold and viral particles - and the DNA ties that bind them

Scientists have created a diamond-like lattice composed of gold nanoparticles and viral particles, woven together and held in place by strands of DNA. The structure - a distinctive mix of hard, metallic nanoparticles and organic viral pieces known as capsids, linked by the very stuff of life, DNA - marks a remarkable step in scientists' ability to combine an assortment of materials to create infinitesimal devices.

Jan 27th, 2011

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New transistor for plastic electronics exhibits the best of both worlds

Researchers from the Georgia Institute of Technology describe a new method of combining top-gate organic field-effect transistors with a bilayer gate insulator. This allows the transistor to perform with incredible stability while exhibiting good current performance. In addition, the transistor can be mass produced in a regular atmosphere and can be created using lower temperatures, making it compatible with the plastic devices it will power.

Jan 27th, 2011

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