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Nanotechnology General News

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

Scientists develop indium-free organic light-emitting diodes

Scientists at the Ames Laboratory have discovered new ways of using a well-known polymer in organic light emitting diodes (OLEDs), which could eliminate the need for an increasingly problematic and breakable metal-oxide used in screen displays in computers, televisions, and cell phones.

Posted: Dec 4th, 2012

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Medical sensor "tattoo" detects metabolic problems

A medical sensor that attaches to the skin like a temporary tattoo could make it easier for doctors to detect metabolic problems in patients and for coaches to fine-tune athletes' training routines. And the entire sensor comes in a thin, flexible package shaped like a smiley face.

Posted: Dec 3rd, 2012

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How 'transparent' is graphene?

MIT researchers find that adding a coating of graphene has little effect on how a surface interacts with liquids - except in extreme cases.

Posted: Dec 3rd, 2012

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Steps towards filming atoms dancing

With their ultra short X-ray flashes, free-electron lasers offer the opportunity to film atoms in motion in complicated molecules and in the course of chemical reactions. However, for monitoring this motion, the arrival time and the temporal profile of the pulses which periodically illuminate the system, must be precisely known. An international team of scientists has now developed a measurement technique that provides complete temporal characterization of individual FEL (free-electron laser) pulses.

Posted: Dec 3rd, 2012

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World's smallest wrench puts new twist on microscopic manipulation

Harnessing laser light's ability to gently push and pull microscopic particles, researchers have created the fiber-optic equivalent of the world's smallest wrench. This virtual tool can precisely twist and turn the tiniest of particles, from living cells and DNA to microscopic motors and dynamos used in biological and physical research.

Posted: Dec 3rd, 2012

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The self-improvement of lithium-ion batteries

The search for clean and green energy in the 21st century requires a better and more efficient battery technology. The key to attaining that goal may lie in designing and building batteries not from the top down, but from the bottom up - beginning at the nanoscale.

Posted: Dec 3rd, 2012

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Gezielte Freisetzung von Antibiotika mit Nanoreaktoren

Chemiker der Universität Basel haben winzige Nanokugeln entwickelt, die das häufig eingesetzte Antibiotikum Cephalexin herstellen und lokal freisetzen können. Wenn es gelingt, solche Nanoreaktoren in medizinische Implantate einzubauen, liessen sich gezielt bakterielle Infektionen bekämpfen, ohne dass der Wirkstoff über den ganzen Körper verteilt wird.

Posted: Dec 3rd, 2012

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