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Unforgeable quantum credit cards in sight

A team of physicists at Max-Planck-Institute of Quantum Optics, Harvard University, and California Institute of Technology develops a scheme for noise tolerant and yet safely encrypted quantum tokens.

Posted: Oct 2nd, 2012

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MRI images transplanted islet cells with help of positively charged nanoparticles

In a study to investigate the detection by MRI of six kinds of positively-charged magnetic iron oxide nanoparticles designed to help monitor transplanted islet cells, a team of Japanese researchers found that the charged nanoparticles they developed transduced into cells and could be visualized by MRI while three kinds of commercially available nanoparticles used for controls could not.

Posted: Oct 1st, 2012

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Nano-hillocks: Of mountains and craters

In the field of nanotechnology, electrically-charged particles are frequently used as tools for surface modification. Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and the TU Vienna were at last able to reconcile important issues concerning the effects of highly charged ions on surfaces.

Posted: Oct 1st, 2012

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First images of Landau levels revealed

Physicists have directly imaged Landau Levels - the quantum levels that determine electron behaviour in a strong magnetic field - for the first time since they were theoretically conceived of by Nobel prize winner Lev Landau in 1930.

Posted: Oct 1st, 2012

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Solar cell consisting of a single molecule

Researchers have developed a method to measure photocurrents of a single functionalized photosynthetic protein system. The scientists could demonstrate that such a system can be integrated and selectively addressed in artificial photovoltaic device architectures while retaining their biomolecular functional properties.

Posted: Sep 30th, 2012

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Graphene may replace silicon (w/video)

Norwegian researchers are the world's first to develop a method for producing semiconductors from graphene. This finding may revolutionise the technology industry.

Posted: Sep 28th, 2012

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Graphene: the thickness of it

Graphene has long shown potential for use in electronics, but difficulties in producing the material to a high enough quality has so far prevented the commercialisation of graphene-based devices.

Posted: Sep 28th, 2012

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Nanosciences: All systems go at the biofactory

In order to assemble novel biomolecular machines, individual protein molecules must be installed at their site of operation with nanometer precision. LMU researchers have now found a way to do just that. Green light on protein assembly.

Posted: Sep 28th, 2012

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