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Nanowerk Nanotechnology News



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New system for exploring superconductivity

Fri, 20 Jan 2017 04:23:28 -0500

An organic transistor could be an ideal system for exploring the mysterious origin of high-temperature superconductivity.

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A new invisibility cloak to conceal objects in diffusive atmospheres

Fri, 20 Jan 2017 04:18:04 -0500

Scientists have come up with a new invisibility cloak capable of concealing objects in diffusive atmospheres, not just in permanent light, made possible by the cloaks developed so far, but also in any kind of light. Their work, which establishes the bases to render undetectable, for example, a plane in the fog or a submarine in the sea.

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New, old science combine to make faster medical test

Thu, 19 Jan 2017 16:01:36 -0500

A researcher has combined cutting-edge nanoscience with a magnetic phenomenon discovered more than 170 years ago to create a method for speedy medical tests.

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Chemists cook up new nanomaterial and imaging method

Thu, 19 Jan 2017 15:55:17 -0500

Nanomaterials can store all kinds of things, including energy, drugs and other cargo.

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New low-cost technique converts bulk alloys to oxide nanowires

Thu, 19 Jan 2017 15:49:47 -0500

A simple technique for producing oxide nanowires directly from bulk materials could dramatically lower the cost of producing the one-dimensional nanostructures.

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Creating atomic scale nanoribbons

Thu, 19 Jan 2017 12:57:06 -0500

Researchers have demonstrated the first important step toward integrating atomically precise graphene nanoribbons onto nonmetallic substrates.

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Theorists propose new class of topological metals with exotic electronic properties

Thu, 19 Jan 2017 09:46:42 -0500

Researchers have proposed a theory-based approach to characterize a class of metals that possess exotic electronic properties that could help scientists find other, similarly-endowed materials.

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Theoretical speed limit for intra-chip communications in microprocessors

Thu, 19 Jan 2017 09:29:18 -0500

Scientists have developed a theory that gives the possibility to precisely predict the level of noise caused by the amplification of photonic and plasmonic signals in nanoscale optoelectronic circuits.

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Making the most of nanoscale catalytic effects for nanotechnology

Thu, 19 Jan 2017 06:52:35 -0500

Researchers are working on meeting the challenge of incorporating nanoscale structures into future semiconductor devices that will create new technologies and impact on all aspects of everyday life.

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Tough aqua material for water purification

Thu, 19 Jan 2017 06:46:00 -0500

Decontamination of water with a robust and sustainable membrane assembled from two synergistically working components.

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Nanoparticles improve melting and solidification for manufacturing processes

Thu, 19 Jan 2017 06:39:51 -0500

In an advance that could lead to improved manufacturing, a new study shows that adding nanoparticles to metals during the melting process allows for better control during melting.

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Topological photonic crystal made of silicon

Thu, 19 Jan 2017 05:24:38 -0500

Researchers derive topological photonic states purely based on silicon, which can lead to the development of new functions and devices through integration with semiconductor electronics.

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Chip-sized, high-speed terahertz modulator raises possibility of faster data transmission

Thu, 19 Jan 2017 05:14:43 -0500

Engineers have invented a chip-sized, high-speed modulator that operates at terahertz frequencies and at room temperature at low voltages without consuming DC power.

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Graphene's sleeping superconductivity awakens

Thu, 19 Jan 2017 05:10:31 -0500

Since its discovery in 2004, scientists have believed that graphene may have the innate ability to superconduct. Now researchers have found a way to activate that previously dormant potential.

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Harnessing the energy of fireworks' metal nanopowders for fuel

Wed, 18 Jan 2017 15:45:44 -0500

Scientists are reporting a method to produce a metal nanopowder fuel with high energy content that is stable in air and doesn't go boom until ignited.

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Blood-repellent materials: A new approach to medical implants

Wed, 18 Jan 2017 15:26:32 -0500

Engineers have grown 'superhemophobic' titanium surfaces that could form the basis for biocompatible medical devices.

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A 'strand' of DNA as never before

Wed, 18 Jan 2017 11:16:32 -0500

In a carefully designed polymer, researchers have imprinted a sequence of a single strand of DNA. The resulting negative remained chemically active and was capable of binding the appropriate nucleobases forming a genetic code. The polymer matrix thus functioned exactly like a sequence of real DNA.

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Toward a 'smart' patch that automatically delivers insulin when needed

Wed, 18 Jan 2017 09:14:18 -0500

Researchers are developing a painless 'smart' patch that monitors blood glucose and releases insulin when levels climb too high.

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Luminescent proteins provide color to ecological and cheap bio-displays

Wed, 18 Jan 2017 09:07:00 -0500

Scientists have designed a new screen, which is cheaper and ecological as it uses a hybrid material. This material's luminescent proteins can be used in backlighting systems and colour filters made using a 3D printing technique.

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Faster recharging batteries possible after new insights

Wed, 18 Jan 2017 09:00:10 -0500

Faster recharging lithium batteries could be developed after scientists figured out why adding charged metal atoms to tunnel structures within batteries improves their performance.

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A big nano boost for solar cells

Wed, 18 Jan 2017 08:56:27 -0500

Researchers have built a new nano-sized semiconductor that narrows the wavelength bandwidth to concentrate the energy.

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Nanofibres developed for healing bone fractures

Wed, 18 Jan 2017 07:24:46 -0500

In future, it may be possible to use nanofibres to improve the attachment of bone implants, or the fibres may be used directly to scaffold bone regeneration. This would aid the healing of fractures and may enable the care of osteoporosis.

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Ultra-precise chip-scale sensor detects unprecedentedly small changes in environmental conditions at the nanoscale

Wed, 18 Jan 2017 06:48:46 -0500

The approach consists of two cascaded microring resonators, with one serving as the sensing device and the other playing the role of a reference - thus eliminating environmental and system fluctuations such as temperature and laser frequency.

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Explaining how 2-D materials break at the atomic level

Wed, 18 Jan 2017 04:46:44 -0500

Physicists found that to shed light on the cracking of MoS2, we must go beyond the theory used so far.

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Strength of hair inspires new materials for body armor

Wed, 18 Jan 2017 04:01:27 -0500

In a new study, researchers investigate why hair is incredibly strong and resistant to breaking. The findings could lead to the development of new materials for body armor and help cosmetic manufacturers create better hair care products.

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Researchers produce functional OLED electrodes from graphene

Wed, 18 Jan 2017 03:56:44 -0500

The OLEDs can, for example, be integrated into touch displays, and the miracle material graphene promises many other applications for the future.

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'5-D protein fingerprinting' with nanopores could give insights into Alzheimer's, Parkinson's

Tue, 17 Jan 2017 15:58:28 -0500

In research that could one day lead to advances against neurodegenerative diseases like Alzheimer's and Parkinson's, engineering researchers have demonstrated a technique for precisely measuring the properties of individual protein molecules floating in a liquid.

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Microbiologists make big leap in developing 'green' electronics

Tue, 17 Jan 2017 12:11:22 -0500

Microbiologists report that they have discovered a new type of natural nanowire produced by bacteria that could greatly accelerate the researchers' goal of developing sustainable 'green' conducting materials for the electronics industry.

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Discovery could lead to jet engines that run hotter - and cleaner

Tue, 17 Jan 2017 12:02:50 -0500

Scientists find a new way to remove defects from heat-resistant alloys.

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X-ray imaging captures material defect process at the atomic scale

Tue, 17 Jan 2017 11:51:38 -0500

Researchers have discovered a new approach to detail the formation of material defects at the atomic scale and in near-real time, an important step that could assist in engineering better and stronger new materials.

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New Magnetic Direct Drive Linear Positioning Stages and New Motion Controller, from PI

Tue, 17 Jan 2017 11:51:14 -0500

Ultra-precise linear motor stages are well-suited for industry and research positioning and scanning applications, such as found in precision automation, micro-assembly, biotechnology, laser beam control, optics, lens testing, and photonics alignment.

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Self-assembly - The power of attraction

Tue, 17 Jan 2017 09:37:13 -0500

Hybrid organic-inorganic materials can self-assemble into tiny doughnut-like structures.

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Nanotechnology: Lighting up ultrathin films

Tue, 17 Jan 2017 04:40:44 -0500

Based on a study of the optical properties of novel ultrathin semiconductors, researchers have developed a method for rapid and efficient characterization of these materials.

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A new graphene-based sensor kit for the rapid detection of diseases in blood plasma and lysate

Tue, 17 Jan 2017 04:35:55 -0500

Researchers have developed a new sensor, which can rapidly and accurately detect tiny amounts of oligonucleotides related to diseases.

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Nanotechnology-based antimicrobial packaging to enhance food safety and reduce waste

Mon, 16 Jan 2017 15:41:09 -0500

NanoPack aims to develop and demonstrate state-of-the-art antimicrobial packaging solutions for perishable foods based on natural nanomaterials that will prevent food-borne illness outbreaks and reduce food waste caused by early spoilage.

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Flexible ferroelectrics bring two material worlds together

Mon, 16 Jan 2017 12:47:19 -0500

Until recently, 'flexible ferroelectrics' could have been thought of as the same type of oxymoronic phrase. Thanks to a new discovery, scientists have pioneered a new class of materials with advanced functionalities that moves the idea from the realm of irony into reality.

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Dressing a metal in various colors with nanocoatings

Mon, 16 Jan 2017 12:41:39 -0500

Researchers heveloped a technology to coat metal with several nanometers of semiconducting materials. This technology can be applied to solar cells, wearable devices, displays, and the like.

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Self-assembling particles brighten future of LED lighting

Mon, 16 Jan 2017 10:10:05 -0500

Engineering researchers have illuminated another path forward for LED technologies by refining the manufacturing of light sources made with crystalline substances known as perovskites, a more efficient and potentially lower-cost alternative to materials used in LEDs found on store shelves.

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Ultralight, high-performance graphene composite watch unveiled

Mon, 16 Jan 2017 05:28:31 -0500

An ultralight high-performance mechanical watch made with graphene is unveiled today in Geneva at the Salon International De La Haute Horlogerie thanks to a unique collaboration.

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Nanoscale view of energy storage

Mon, 16 Jan 2017 05:02:29 -0500

Through long shifts at the helm of a highly sophisticated microscope, researchers recorded reactions at near-atomic-scale resolution. Their success is another step toward building a better battery.

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