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Nanotechnology General News

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

Engineers efficiently 'mix' light at the nanoscale

Researchers have engineered a nanowire system that could pave the way for this ability, combining two light waves to produce a third with a different frequency and using an optical cavity to amplify the intensity of the output to a usable level.

Posted: Nov 13th, 2014

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New Insights on Kondo Effect

Researchers visualized the electronic interactions of magnetic impurities in metals. In doing so, they discovered that the electron patterns which arise around magnetic foreign atoms as a result of the Kondo effect interact over greater distances than previously thought. The insights from the examination of a simple model system could be beneficial in understanding materials with complex electronic structures. (in German)

Posted: Nov 13th, 2014

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NIH award for cancer diagnosis with photoswitchable nanoparticles

University of Arkansas for Medical Sciences researcher Vladimir Zharov recently was awarded a $1.5 million R01 grant by the National Institutes of Health to investigate his diagnostic concept - 'in vivo reading written in blood' - with new stimuli-responsive nanoparticles circulating in blood.

Posted: Nov 13th, 2014

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Switching on the future: Electronic switches on the molecular scale

A research team in Japan has shown that a molecular electronic switch with multi-conductance states (for example, high, medium and low states) is possible using a single quarter thiophene-based junction. In this new switch, the switching behavior is triggered by external mechanical force.

Posted: Nov 13th, 2014

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OLED devices for lab-on-a-chip-applications

Fraunhofer FEP presents latest approaches to fabricate OLED devices for lab-on-a-chip-applications using either near UV electroluminescence or optically modulated green light to stimulate fluorescent dye markers.

Posted: Nov 12th, 2014

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New materials for more powerful solar cells

Applying a thin film of metallic oxide significantly boosts the performance of solar panel cells. Researchers have developed a new class of materials comprising elements such as bismuth, iron, chromium, and oxygen. These multiferroic materials absorb solar radiation and possess unique electrical and magnetic properties.

Posted: Nov 12th, 2014

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'Electronic tongue' to ensure food quality

An 'electronic tongue' could one day sample food and drinks as a quality check before they hit store shelves. Or it could someday monitor water for pollutants or test blood for signs of disease.

Posted: Nov 12th, 2014

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Artificial nanomaterial retina could someday help restore vision

The loss of eyesight, often caused by retinal degeneration, is a life-altering health issue for many people, especially as they age. But a new development toward a prosthetic retina could help counter conditions that result from problems with this crucial part of the eye.

Posted: Nov 12th, 2014

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A twisted world - chemists build a molecular banister

Chemists have succeeded in twisting a molecule by combining molecular strands of differing lengths. The longer strand winds around a central axis like a staircase banister, creating a helical structure that exhibits special physical properties.

Posted: Nov 12th, 2014

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An electrical wire a few atoms wide

Researchers showed it is possible to create an electrical channel a few atoms wide within two-dimensional insulating materials. Their simulations open new perspectives for the production of new electronic and photovoltaic devices.

Posted: Nov 12th, 2014

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