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A new superhard form of carbon

Researchers used a novel computational method to demonstrate that the properties of what had previously been thought to be only a hypothetical structure of a superhard form of carbon called "M-carbon" - constructed in 2006 - matched perfectly the experimental data on "superhard graphite".

Posted: Jun 27th, 2012

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Self-healing dynamic membrane

Taking their inspiration from cellular membranes, researchers have developed the first dynamic membrane for water filtration which, depending on the water pressure, can adjust the size of its pores in an autonomous manner.

Posted: Jun 27th, 2012

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First 3D nanoscale optical cavities from metamaterials

The world's smallest three-dimensional optical cavities with the potential to generate the world's most intense nanolaser beams have been created. In addition to nanolasers, these unique optical cavities with their extraordinary electromagnetic properties should be applicable to a broad range of other technologies, including LEDs, optical sensing, nonlinear optics, quantum optics and photonic integrated circuits.

Posted: Jun 27th, 2012

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Magnet helps target transplanted iron-loaded cells to key areas of heart

Optimal stem cell therapy delivery to damaged areas of the heart after myocardial infarction has been hampered by inefficient homing of cells to the damaged site. However, using rat models, researchers in France have used a magnet to guide cells loaded with iron oxide nanoparticles to key sites, enhancing the myocardial retention of intravascularly delivered endothelial progenitor cells.

Posted: Jun 26th, 2012

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Structurally flexible silicene integrated with Si wafers

As the Si counterpart of graphene, silicene is an atom-thick, ultimately thin, two-dimensional crystal of silicon. A team of researchers at the Japan Advanced Institute of Science and Technology has succeeded in preparing silicene on Si wafers via a ceramic zirconium diboride buffer layer, paving the way for an integration of silicene with existing Si-based technologies that intrinsically face limits with top-down approaches.

Posted: Jun 26th, 2012

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