English news

Oscillating nanophase magnetite controls ice nucleation

NanoWerk.com - Thu, 05/17/2018 - 12:03
Researchers report that magnetite nanoparticles, which are mechanically rotated by external oscillating magnetic fields, could disturb the water/crystal interface and promote supercooling during the freezing process.

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Functional films made of environmentally friendly clay minerals and dyes

NanoWerk.com - Thu, 05/17/2018 - 11:49
Transparent hybrid film that changes color with humidity via a novel mechanism.

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New device could increase battery life of electronics by a hundred-fold

NanoWerk.com - Wed, 05/16/2018 - 21:32
A group of physicists has developed a magnetic material that employs a unique structure - a honeycomb lattice that exhibits distinctive electronic properties.

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Researchers control the properties of graphene transistors using pressure

NanoWerk.com - Wed, 05/16/2018 - 21:26
Researchers have developed a technique to manipulate the electrical conductivity of graphene with compression, bringing the material one step closer to being a viable semiconductor for use in today's electronic devices.

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World's Strongest bio-material outperforms steel and spider silk

ScienceDaily.com: Nanotechnology News - Wed, 05/16/2018 - 18:14
At DESY's X-ray light source PETRA III, researchers have produced the strongest bio-material that has ever been made. The artificial, but biodegradable cellulose fibers are stronger than steel and even than dragline spider silk, which is usually considered the strongest bio-based material.
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An electronic rescue dog

NanoWerk.com - Wed, 05/16/2018 - 18:05
Scientists have developed small and extremely sensitive gas sensors for acetone, ammonia, and isoprene - all metabolic products that we emit in low concentrations via our breath or skin. They combined these sensors in a device with two commercial sensors for CO2 and moisture.

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Tiny shapeshifters

NanoWerk.com - Wed, 05/16/2018 - 17:52
Chemists embark on a project to ultimately produce devices that operate mechanically on direct exposure to light.

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World's strongest bio-material outperforms steel and spider silk

NanoWerk.com - Wed, 05/16/2018 - 17:48
Novel method transfers superior nanoscale mechanics to macroscopic fibers.

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Processes in the atomic microcosmos are revealed

NanoWerk.com - Wed, 05/16/2018 - 10:43
Physicists generate attosecond electron pulses with laser light.

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Supercapacitor nano-architecture: Designing a plant-powered future

Nanotechweb.org - Wed, 05/16/2018 - 08:50
Green supercapacitors are set to be revolutionized by research that links the multidimensional morphology of electrode materials to their electrochemical performance for the first time
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Making carbon nanotubes as usable as common plastics

ScienceDaily.com: Nanotechnology News - Wed, 05/16/2018 - 00:28
By using an inexpensive, already mass produced, simple solvent called cresol, scientists have discovered a way to make disperse carbon nanotubes at unprecedentedly high concentrations without the need for additives or harsh chemical reactions to modify the nanotubes. In a surprising twist, researchers also found that as the nanotubes' concentrations increase, the material transitions from a dilute dispersion to a thick paste, then a free-standing gel and finally a kneadable dough that can be shaped and molded.
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Making carbon nanotubes as usable as common plastics

NanoWerk.com - Tue, 05/15/2018 - 22:15
Cresols disperse carbon nanotubes at unprecedentedly high concentrations.

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Carbon-recycling system: Two-electron chemical reactions using light energy, gold

ScienceDaily.com: Nanotechnology News - Tue, 05/15/2018 - 18:57
Scientists are one step closer to building a carbon-recycling system that can harvest solar energy to efficiently convert CO2 and water into liquid fuels. By optimizing many parts of the system, the researchers say, they can now drive two-electron chemical reactions, a substantial advance over one-electron reactions, which are energy inefficient.
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Astonishing effect enables better palladium catalysts

ScienceDaily.com: Nanotechnology News - Tue, 05/15/2018 - 18:56
The taste of the chocolate cake's icing should not depend on whether it is served on a porcelain or a silver plate. Similarly, for chemical reactions on the surface of large precious metal grains, the substrate (the so-called support) should not play a crucial role. Experimental studies led to surprising findings. Chemical processes on palladium grains, which are also used for exhaust gas catalysts, changed significantly when they were placed on specific support materials.
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Flowing cells in a wavy microchannel for effective size-based cell sorting

NanoWerk.com - Tue, 05/15/2018 - 18:30
Researchers have developed a precise microscale manipulation method by rapidly flowing cell suspensions through a specially designed microchannel. This novel microfluidic device enables high-throughput sized-based cell sorting of a large amount of biological samples, which has broad applications in practical biomedical research and pharmaceutical fields.

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A new method for studying semiconductor nanoparticles has been tested

NanoWerk.com - Tue, 05/15/2018 - 18:23
Researchers have applied a new method to study nanoparticles made of cadmium telluride. They used a peculiar feature of this compound: its interaction with light differs depending on the magnetic field.

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Team achieves two-electron chemical reactions using light energy, gold

NanoWerk.com - Tue, 05/15/2018 - 18:17
Scientists are one step closer to building a carbon-recycling system that can harvest solar energy to efficiently convert CO2 and water into liquid fuels. By optimizing many parts of the system, the researchers say, they can now drive two-electron chemical reactions, a substantial advance over one-electron reactions, which are energy inefficient.

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Accumulating over time, even low concentrations of nanosilver can foil wastewater treatment

NanoWerk.com - Tue, 05/15/2018 - 18:11
Research has shed new light on how an increasingly common consumer product component - silver nanoparticles - can potentially interfere with the treatment of wastewater.

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Hanging by a nanowhisker

NanoWerk.com - Tue, 05/15/2018 - 14:29
Nanoscale imaging techniques reveal factors that could short out next-generation lithium batteries.

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High-sensitivity microsensors on the horizon

NanoWerk.com - Mon, 05/14/2018 - 22:57
Researchers realize design breakthrough that will Improve data gathering from hard-to-monitor environments.

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