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How gold nanoparticles can help fight ovarian cancer

Positively charged gold nanoparticles are usually toxic to cells, but cancer cells somehow manage to avoid nanoparticle toxicity. Mayo Clinic researchers found out why and determined how to make the nanoparticles effective against ovarian cancer cells.

Posted: May 21st, 2013

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A new type of laser

Physicists have succeeded in creating a new type of laser. Its operation principle is completely different from conventional devices, which opens up the possibility of a significantly reduced energy input requirement.

Posted: May 21st, 2013

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Self-assembled functionalized nanowires using multiple modified amyloid peptides

Researchers have successfully developed a new technique for efficiently creating functionalized nanowires for the first time ever. The group focused on the natural propensity of amyloid peptides, molecules which are thought to cause Alzheimer's disease, to self-assemble into nanowires in an aqueous solution and controlled this molecular property to achieve their feat.

Posted: May 21st, 2013

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Nanoantennas improve infrared sensing

A team of University of Pennsylvania engineers has used a pattern of nanoantennas to develop a new way of turning infrared light into mechanical action, opening the door to more sensitive infrared cameras and more compact chemical-analysis techniques.

Posted: May 20th, 2013

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Competition in the quantum world

Innsbruck physicists led by Rainer Blatt and Peter Zoller experimentally gained a deep insight into the nature of quantum mechanical phase transitions. They are the first scientists that simulated the competition between two rival dynamical processes at a novel type of transition between two quantum mechanical orders.

Posted: May 20th, 2013

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