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Jumping crystals

Insights into structural transformations explain why mechanical tension causes some crystals to jump, while others crumble.

Posted: Jan 7th, 2015

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New light shed on electron spin flips

Researchers derived a new set of equations that allows for calculating electron paramagnetic resonance (EPR) transition probabilities with arbitrary alignment and polarization of the exciting electromagnetic radiation.

Posted: Jan 7th, 2015

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A potential long-lasting nano treatment for sensitive teeth

Rather than soothe and comfort, a hot cup of tea or cocoa can cause people with sensitive teeth a jolt of pain. But scientists are now developing a new biomaterial that can potentially rebuild worn enamel and reduce tooth sensitivity for an extended period.

Posted: Jan 7th, 2015

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Microfluidics to accelerate cell membrane research

Life processes depend fundamentally on phenomena occurring on the membranes separating cells from their environment. Hitherto poorly understood, the mechanisms responsible for transport through the cell membrane will be able to be studied faster and more cheaply - thanks to a new microfluidic system. The system enables the serial formation of cell membranes and measurement of the processes taking place on them.

Posted: Jan 7th, 2015

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A novel nanobowl optical concentrator for organic solar cell

Geometrical light trapping is a simple and promising strategy to largely improve the optical absorption and efficiency of solar cells. Nonetheless, implementation of geometrical light trapping in organic photovoltaic (OPV) is challenging due to the fact that uniform organic active layer can rarely be achieved on textured substrate. Researchers have now reported novel nanobowl optical concentrator fabricated on low-cost aluminum foil and aiming at tackling this problem.

Posted: Jan 7th, 2015

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'Flying carpet' technique uses graphene to deliver one-two punch of anticancer drugs

An international team of researchers has developed a drug delivery technique that utilizes graphene strips as 'flying carpets' to deliver two anticancer drugs sequentially to cancer cells, with each drug targeting the distinct part of the cell where it will be most effective. The technique was found to perform better than either drug in isolation when tested in a mouse model targeting a human lung cancer tumor.

Posted: Jan 6th, 2015

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