ScienceDaily.com: Nanotechnology News

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Nanotechnology news. From nanoscience to nanotechnology applications such as nanotechnology in medicine, read the latest news from leading research institutes.
Updated: 22 min 17 sec ago

Metallic nanoparticles light up another path towards eco-friendly catalysts

Fri, 11/16/2018 - 00:49
Scientists have produced subnano-sized metallic particles that are very effective as catalysts for the oxidation of hydrocarbons. These catalysts can be as much as 50 times more effective than well-known Au-Pd bimetallic nanocatalysts.
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'Smart skin' simplifies spotting strain in structures

Fri, 11/16/2018 - 00:49
A 'smart skin' employs the unique fluorescent characteristics of carbon nanotubes to quickly assess strain in materials. The method is intended for aircraft, spacecraft and critical infrastructures in which mechanical strain needs to be monitored.
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Nanofiber carpet could lead to new sticky or insulating surfaces

Thu, 11/15/2018 - 23:49
Inspired by the extraordinary characteristics of polar bear fur, lotus leaves and gecko feet, engineering researchers have developed a new way to make arrays of nanofibers that could bring us coatings that are sticky, repellent, insulating or light emitting, among other possibilities.
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Fullerene compounds made simulation-ready

Thu, 11/15/2018 - 20:54
Hollow football-shaped carbon structures, called fullerenes, have applications in areas ranging from artificial photosynthesis and nonlinear optics, to the production of photoactive films and nanostructures. Scientists have now developed a method that can be used for future simulations of fullerene complexes and thus help understand their characteristics.
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Epoxy compound gets a graphene bump

Wed, 11/14/2018 - 21:03
Researchers combine epoxy with a tough graphene foam and carbon nanotube scaffold to build a resilient composite that's tougher and as conductive as other compounds but as light as pure epoxy.
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When electric fields make spins swirl

Wed, 11/14/2018 - 19:40
Scientists have reported the discovery of small and ferroelectrically tunable skyrmions. Published in Nature Materials, this work introduces new compelling advantages that bring skyrmion research a step closer to application.
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Nanotubes built from protein crystals: Breakthrough in biomolecular engineering

Wed, 11/14/2018 - 19:40
Researchers at Tokyo Tech have succeeded in constructing protein nanotubes from tiny scaffolds made by cross-linking of engineered protein crystals. The achievement could accelerate the development of artificial enzymes, nano-sized carriers and delivery systems for a host of biomedical and biotechnological applications.
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Scientists engineer a functional optical lens out of 2D materials

Wed, 11/14/2018 - 19:40
Scientists have constructed functional metalenses that are one-tenth to one-half the thickness of the wavelengths of light that they focus. Their metalenses, which were constructed out of layered 2D materials, were as thin as 190 nanometers -- less than 1/100,000ths of an inch thick.
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Optimization of alloy materials: Diffusion processes in nano particles decoded

Wed, 11/14/2018 - 00:51
A research team discovers atomic-level processes which can provide new approaches to improving material properties.
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Structure of fossil-fuel source rocks is finally decoded

Tue, 11/13/2018 - 23:18
A team of researchers has taken the first three-dimensional images of kerogen's internal structure, with a level of detail more than 50 times greater than has been previously achieved. The images should allow more accurate predictions of how much oil or gas can be recovered from any given formation.
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Scientists shed light on semiconductor degradation mechanism

Tue, 11/13/2018 - 20:54
SiC-based electrical devices degrading will be improved by controlling the semiconductor material deformation with atomic level.
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'Waltzing' nanoparticles could advance search for better drug delivery methods

Tue, 11/13/2018 - 20:54
Scientists paired drug-delivering nanoparticles like dance partners to reveal that molecules attach to targets on cells differently based upon their position in time. The discovery could improve methods for screening drugs for therapeutic effectiveness.
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Moths and magnets could save lives

Tue, 11/13/2018 - 20:03
Bioengineers have combined a virus that infects moths with magnetic nanoparticles to create a potential new therapy for inherited genetic diseases like muscular dystrophy, sickle cell, cystic fibrosis, spinal muscular atrophy and some forms of cancer.
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Stealth-cap technology for light-emitting nanoparticles

Tue, 11/13/2018 - 20:03
Scientists have succeeded in significantly increasing the stability and biocompatibility of special light-transducing nanoparticles. They have developed so-called ''upconverting'' nanoparticles that not only convert infrared light into UV-visible light, but also are water-soluble, remain stable in complex body fluids, and can be used to store medications. They have created a tool that could potentially make the fight against cancer more effective.
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Detecting light in a 'different dimension'

Tue, 11/13/2018 - 20:03
Scientists have dramatically improved the response of graphene to light through self-assembling wire-like nanostructures that conduct electricity.
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Graphene on the way to superconductivity

Sat, 11/10/2018 - 00:01
Scientists have found evidence that double layers of graphene have a property that may let them conduct current completely without resistance. They probed the band structure at BESSY II with extremely high resolution ARPES and could identify a flat area at a surprising location.
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Making steps toward improved data storage

Fri, 11/09/2018 - 19:14
Researchers created the world's most powerful electromagnetic pulses to control a data-storage material's physical form, leading to a potential way to scale down memory devices and revolutionize how computers handle information.
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Nano-scale process may speed arrival of cheaper hi-tech products

Fri, 11/09/2018 - 16:30
Researchers have developed an inexpensive way to make products incorporating nanoparticles -- such as high-performance energy devices or sophisticated diagnostic tests -- which could speed the commercial development of devices, materials and technologies.
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Creating better devices: The etch stops here

Fri, 11/09/2018 - 01:43
Researchers have discovered a new, more precise method to create nanoscale-size electromechanical devices.
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Do kitchen items shed antimicrobial nanoparticles after use?

Thu, 11/08/2018 - 23:24
Scientists describe how they simulated knife motion, washing and scratching on bacteria-fighting, nanosilver-infused cutting boards to see if consumer use affects nanoparticle release. The test should help regulatory bodies identify if any safety or health risks exist from silver nanoparticles in kitchenware now being sold overseas, and if so, find ways to deal with them before the items are approved for sale in the United States.
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