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Silver nanoparticles trap mercury

The removal of mercury from wastewater by amalgamation with precious metals in the form of nanoparticles can be improved if the diameter of silver nanoparticles is made even smaller; then significantly more mercury can be extracted relative to the amount of silver used.

Posted: Feb 15th, 2012

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Photonics: Better connected

A novel link between optical fibers and nanometer-scale silicon structures could aid the development of integrated optical circuits.

Posted: Feb 15th, 2012

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Nanotechnology may lead to more energy-efficient electronics

Carbon nanotubes and graphene consist of just a couple of layers of carbon atoms, but they are lighter than aluminium, stronger than steel and can bend like spring-coils. Physicist Niklas Lindahl at the University of Gothenburg, Sweden, has been studying the unique properties of the materials, which in future may result in improved electronics and light, strong material.

Posted: Feb 14th, 2012

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A PageRank for atoms? Chemist applies Google software to the molecular world

The technology that Google uses to analyze trillions of Web pages is being brought to bear on the way molecules are shaped and organized. A researcher has adapted Google's PageRank software to create moleculaRnetworks, which scientists can use to determine molecular shapes and chemical reactions without the expense, logistics and occasional danger of lab experiments.

Posted: Feb 13th, 2012

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