Nanotechnology News – Latest Headlines

A bundled attraction

A magnetic field and a protein jacket are all that is needed to create bundles of one-dimensional arrays of 'superparamagnetic' nanoparticles.

Jun 19th, 2015

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Adapting nanotechnology imaging tools to study ants' heat-deflecting adaptations

In a typical experiment involving biological material such as nanoscale hairs, it would usually be sufficient to use an electron microscope to create an image of the surface of the specimen. This research, however, required to look inside the ant hairs and produce a cross-section of the structure's interior. The relatively weak beam of electrons from a standard electron microscope would not be able to penetrate the surface of the sample.

Jun 18th, 2015

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Structural origin of glass transition

Scientists have demonstrated through computer simulations that the enhancement of fluctuations in a liquid's structure plays an important role as a liquid becomes a solid near the glass-transition point, a temperature below the melting point. This result increases our understanding of the origin of the glass transition and is expected to shed new light on the structure of liquids, thought until now to have been uniform and random.

Jun 18th, 2015

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Nanoscale asymmetry leads to Janus-like nanoparticle membranes

Using grazing incidence small angle x-ray scattering (GISAXS) and surface-enhanced Raman scattering (SERS), very small differences in the distribution of coated-nanoparticle membranes were detected and found to be responsible for their folding into tubular structures. Molecular dynamics simulations show this is related to surface molecular packing density and mobility.

Jun 17th, 2015

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A new way to image surfaces on the nanoscale

A multi-institutional team of scientists has taken an important step in understanding where atoms are located on the surfaces of rough materials, information that could be very useful in diverse commercial applications, such as developing green energy and understanding how materials rust.

Jun 17th, 2015

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U.S. government calls for nanotechnology-inspired Grand Challenges

Today, the Office of Science and Technology Policy issued a Request for Information (RFI) seeking suggestions for Nanotechnology-Inspired Grand Challenges for the Next Decade. A Grand Challenge is an ambitious but achievable goal that requires advances in science and technology to achieve, and that has the potential to capture the public's imagination.

Jun 17th, 2015

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