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Breaking Kasha's rule: Scientists find unique luminescence in nanocrystals

Named for chemist Michael Kasha, who proposed it in 1950, Kasha's rule holds that when light is shined on a molecule, the molecule will only emit light (fluorescence or phosphorescence) from its lowest energy excited state. Highly luminescent molecular systems crafted from quantum dots that break Kasha's rule have not been reported - until now.

Posted: Jul 1st, 2011

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Nanowires offer opportunities for improved LEDs

Researchers from the FOM Institute AMOLF, together with colleagues from Philips Research, Eindhoven University of Technology and Delft University of Technology, have made special nanostructures that could be used as light-emitting diodes (LEDs). These nanostructures can be used to control the direction of the emission.

Posted: Jul 1st, 2011

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Shedding light on Kondo correlations

Scientists from ETH Zurich, LMU Munich, Princeton and Yale Universities have used resonant laser absorption to examine how a quantum dot with Kondo correlations responds to a quantum quench, i.e. to an abrupt change in the interactions that give rise to Kondo correlations in the first place.

Posted: Jul 1st, 2011

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New technique advances bioprinting of cells

By extending his pioneering acoustical work that applied sound waves to generate droplets from fluids, Dr. Utkan Demirci and his team at Harvard Medical School's (Brigham and Women's Hospital) Bio-Acoustic Mems in Medicine Laboratory report encouraging preliminary results at an early and crucial point in a stem cell's career known as embroid body formation.

Posted: Jul 1st, 2011

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Japanese-German Micro/Nano Business Forum meets in Tokyo

Like the years before, IVAM Microtechnology Network is organizing the Japanese-German Micro / Nano Business Forum within the "Micromachine/MEMS" in Tokyo, one of the most important exhibitions in the field of micro and nanotechnology in Japan.

Posted: Jul 1st, 2011

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Multifunktionelle Verpackungen mit Nanotechnologie

Nanotechnologien und Neue Materialien bieten grosses Potenzial fuer den Verpackungssektor. Dies zeigte der Branchendialog Nanopackaging in Duesseldorf. Die Praesentationen der Veranstaltung sind jetzt online verfuegbar.

Posted: Jun 30th, 2011

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