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Alginate-graphene oxide hydrogels as smart biomedical materials

Wed, 11/21/2018 - 20:36
By combining seaweed-derived alginate with the nanomaterial graphene oxide, researchers have developed a new material that?s durable and can respond dynamically to its environment.

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Physicists study the influence of magnetic field inhomogeneity on the properties of thin-film structures

Wed, 11/21/2018 - 18:06
Researchers have studied the influence of inhomogeneity of magnetic field applied during the fabrication process of thin-film structures made from nickel-iron and iridium-manganese alloys, on their properties.. These systems can be used in various types of magnetic field sensors.

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2D-spectroscopy provides new insight into molecular processes

Wed, 11/21/2018 - 17:50
A research team has succeeded for the first time in applying 2D-spectroscopy to isolated molecular systems and thus in tracing the interactive processes at a molecular level more precisely.

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Atom-by-atom construction of an artificial molecule

Wed, 11/21/2018 - 17:33
Using hydrogen lithography, researchers have constructed an artificial molecule that both meets the electronic structure definition and demonstrates a nontrivial geometry: a cyclic atomic configuration spanning three dimer rows.

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Porous materials measure temperature at molecular level

Wed, 11/21/2018 - 17:12
Using advanced computer simulations, they found that the temperature at which metal-organic frameworks suddenly expand or shrink is tuneable. Their results allow the design of thermostats that work at the molecular level.

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Silk adhesive paves the way for epidermal electronics

Wed, 11/21/2018 - 15:27
Researchers employed a calcium-modified silk fibroin as a biocompatible and strong adhesive. This technology led to the development of epidermal electronics with strong adhesion for patients who need drug injections and physiological monitoring over a long time.

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Nanopore detection of single flu viruses to control outbreaks

Wed, 11/21/2018 - 15:17
Study shows that label-free digital diagnostics based on nanopore analytics and AI technology can characterize individual virions by their distinct physical features.

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Whispers about graphene's electrical properties

Wed, 11/21/2018 - 11:17
Scientists report the experimental results of studying the response characteristics in a millimeter wave band whispering gallery mode sapphire resonator to single-layer graphene at different distances of graphene from the resonator. They found that the evanescent field of the resonance system is extremely sensitive to the environment, surrounding materials and disk coatings. A series of experiments showed that such whispering gallery mode resonance can be used to detect the conductivity and thickness of the materials deposited on top and/or can even be used for advanced biosensing.

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Solar panels for yeast cell biofactories

Wed, 11/21/2018 - 00:21
First yeast biohybrid system using an adaptable light-harvesting semiconductor approach opens the door to more efficient and versatile biomanufacturing.

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Meta-surface corrects for chromatic aberrations across all kinds of lenses

Wed, 11/21/2018 - 00:13
The single-layer surface of nanostructures can be incorporated into commercial optical systems, from simple to complex.

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How a crystal is solvated in water

Wed, 11/21/2018 - 00:07
How a molecule from a solid crystal structure is solvated in a liquid solvent has been observed at a molecular level for the first time by chemists.

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Inkjet printers can produce cheap micro-waveguides for optical computers

Tue, 11/20/2018 - 20:20
Scientists ave proposed a new technology for creating optical micro-waveguides using inkjet printing. Using this method it is possible to quickly create waveguides with the necessary parameters without expensive equipment and complex procedures.

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Manufacturing open-mesoporous carbon nanofibers for flexible and wearable power sources

Tue, 11/20/2018 - 20:15
Recently, researchers have engineered a next-generation battery technology - known as metal-air batteries - which can be easily fabricated into flexible and wristband-like cells. Although metal-air batteries powered devices still are not ready yet for commercial applications, the current studies have established solid evidence that these devices have provided enormous opportunities to develop the next generation of flexible, wearable and bio-adaptable power sources. Researchers now report a solution to overcoming the current limitation on sluggish reaction kinetics of air cathodes in Mg-air batteries.

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The shape of things to come: Flexible, foldable supercapacitors for energy storage

Tue, 11/20/2018 - 20:05
Potential uses of new technology range from medical devices and wearables to smart packaging.

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Physicists develop concept of new fast non-volatile memory

Tue, 11/20/2018 - 19:31
Devices operating under the principle of racetrack memory are expecting to have a much more data storage space compared to modern USB flash drives and HDDs.

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Sustainable 'nano-raspberry' neutralizes poisonous carbon monoxide

Tue, 11/20/2018 - 18:50
Scientists have developed a sustainable method to neutralize carbon monoxide, the odorless poison produced by cars and home boilers.

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Layer-exchange growth of graphene directly on insulating material

Tue, 11/20/2018 - 17:54
Researchers have developed a technique that uses 'layer exchange' to grow high-quality uniform crystals of maulti-layer graphene directly on an insulating material.

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Nonstop tranport of cargo in nanomachines

Tue, 11/20/2018 - 17:34
Scientists reveal the nano-structure of molecular trains and the reason for smooth transport in cellular antennas.

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Mechanically assembling 3D cellular graphene structures

Tue, 11/20/2018 - 17:28
Researchers describe the design and implementation of 3D hierarchical architectures of cellular graphene with programmed geometries and outstanding electromechanical properties through the use of mechanically guided, 3D assembly.

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How to melt gold at room temperature

Tue, 11/20/2018 - 15:40
When the tension rises, unexpected things can happen -- not least when it comes to gold atoms. Researchers have now managed, for the first time, to make the surface of a gold object melt at room temperature.

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