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Nanotechnology General News

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

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.

Posted: 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.

Posted: 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.

Posted: 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.

Posted: 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.

Posted: 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.

Posted: Jan 27th, 2011

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Nanosilber: Neuer Name - altbekannte Wirkung

Nanosilber ist keine neue Erfindung der Nanotechnologien, sondern bereits seit mehr als 100 Jahren in verschiedenen Produkten im Einsatz. Dies zeigt eine neue Empa-Studie. Schon damals wurde die antimikrobielle Wirkung winziger Silberteilchen genutzt, die als 'kolloidales Silber' bekannt waren.

Posted: Jan 27th, 2011

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Medicine meets material research

In future, Empa and the Cantonal Hospital St. Gall will work together more intensively in various fields of research and development in medicinal and medical materials. In addition to previous cooperative projects in the field of human stem cells, current research topics such as nano-safety, immunology and implant development will also be tackled.

Posted: Jan 27th, 2011

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Study suggests new nanomedicine treatment option for ovarian cancer

A paper published in the January issue of the journal Nanomedicine could provide the foundation for a new ovarian cancer treatment option -- one that would use an outside-the-body filtration device to remove a large portion of the free-floating cancer cells that often create secondary tumors.

Posted: Jan 27th, 2011

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An alternative to platinum counter electrode for dye-sensitized solar cells

Researchers in Japan have developed a ternary material with a core-shell structure consisting of multi-walled carbon nanotubes, an ionic liquid, and a conducting polymer. It was found that, when used as the counter electrode of dye-sensitized solar cells, the material exhibits photoelectric conversion efficiency as high as that of platinum.

Posted: Jan 27th, 2011

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