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Following the Fukushima disaster nuclear energy has an uncertain future at best. But whether we can really afford to abandon nuclear power remains an open question.
As complex new materials such as nanoparticles increasingly make their way into commercial products, regulatory frameworks need to overcome a number of key challenges to remain fit for purpose.
Stem cells that are cultured in the laboratory differentiate in response to the mechanical properties of the substrate and its topography. It is now shown that mesenchymal stem cell multipotency is prolonged when the cells are cultured on a surface patterned with an ordered arrangement of...
A single nanodevice that detects the presence of a single molecule would perhaps be the ultimate sensor. The demonstration of hydrogen sensing based on a single gold nanoaerial brings that possibility nearer.
Living cells regulate their area through active mechanisms, which often lead to the fusion and fission of lipid vesicles. It is now found that bilayers adhered to elastic substrates can also adjust their area passively, in response to applied lateral strains.
The design of structures of organic nanoporous crystals has been hampered by the difficulty of placing functional moieties in a predictive manner. A modular strategy based on prefabricated organic nanocages having directional chiral interactions that self-assemble into the predicted crystals...
A new design for elastic metamaterials that can behave either as liquids or solids over a limited frequency range may enable new applications based on the control of acoustic, elastic and seismic waves.
The main challenges to face before graphene can become part of realistic applications were discussed at a recent dedicated meeting.
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