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Nanowerk Nanotechnology News



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Pioneering new methods for designing magnetism

Fri, 26 May 2017 11:42:36 -0400

Controlling magnetization by band engineering and quantum confinement.

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Conch shells spill the secret to their toughness

Fri, 26 May 2017 11:26:04 -0400

Three-tiered structure of these impact-resistant shells could inspire better helmets, body armor.

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A nanomedicine approach against multidrug-resistant bacteria

Fri, 26 May 2017 09:29:44 -0400

A new study illustrates a strategy for curing full-thickness wounds infected by multidrug-resistant multidrug-resistant bacteria via an electrospun scaffold containing pharmaceutical intermediate-capped gold nanoparticles.

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New nano photocatalyst speeds up the conversion of carbon dioxide into chemical resources

Fri, 26 May 2017 09:15:05 -0400

Researchers have developed a new titania photocatalyst that converts carbon dioxide into methane three times more efficiently than the existing photocatalyst by manipulating its surface.

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Gecko-inspired multipurpose gripper

Fri, 26 May 2017 07:35:45 -0400

An elastic membrane covered with tiny fibres paired with a pressure differential enables a new soft gripper system with a high adhesion performance even on curved surfaces.

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Removing air pollution with nanogenerator-enhanced air filters

Fri, 26 May 2017 07:28:07 -0400

Researchers have utilized a rotating triboelectric nanogenerator (R-TENG) to enhance a polyimide nanofiber air filter for particulate matter (PM) removal. The nanofiber filter exhibits high removal efficiency for the PM particles with diameter larger than 0.5 microns. When working with the R-TENG, the removal efficiency of the filter is enhanced, especially in the region with the diameter of the particles in the PM smaller than 100 nm. This work may propose an approach of air cleaning and haze management by introducing TENGs to the filters.




Project develops a new radical approach to probe complex quantum systems for quantum simulations

Fri, 26 May 2017 06:50:14 -0400

By using quantum physics in computers, scientists could also in the future simulate chemical reactions, in order to facilitate drug design and improve machine learning.

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Nanopore technology makes leap from DNA sequencing to identifying proteins

Fri, 26 May 2017 06:43:59 -0400

Scientists report on a study that could open up the field for nanopore-based protein identification - and eventually proteomic profiling of large numbers of proteins in complex mixtures of different types of molecules.

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Study takes step toward mass-producible quantum computers

Fri, 26 May 2017 05:35:36 -0400

Process for positioning quantum bits in diamond optical circuits could work at large scales.

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Self-healing catalyst films for hydrogen production

Fri, 26 May 2017 03:40:55 -0400

Chemists have developed a catalyst with self-healing properties. Under the challenging conditions of water electrolysis for hydrogen production, the catalyst material regenerates itself, as long as the components required for this are present in the electrolyte solution.

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Researchers develop magnetic switch to turn on and off a strange quantum property

Thu, 25 May 2017 13:34:03 -0400

When an electron moves around a closed path, ending up where it began, its physical state may or may not be the same as when it left. Now, there is a way to control the outcome.

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Electrically tunable surface could bring drastically higher resolution to smartphone and TV

Thu, 25 May 2017 13:25:24 -0400

Researchers have developed a new color changing surface tunable through electrical voltage - a breakthrough that could lead to three times the resolution for televisions, smartphones and other devices.

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Water forms 'spine of hydration' around DNA

Thu, 25 May 2017 13:11:44 -0400

How water relates to and interacts with biological systems is of critical importance, and a research group has used a relatively new form of spectroscopy to observe a previously unknown characteristic of water.

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Dry/wet adhesive materials for wound care inspired by octopus suckers

Thu, 25 May 2017 10:45:14 -0400

Inspired by octopus arms, researchers demonstrate an uncomplicated and scalable templating technology for fabricating nanosuckers on PDMS substrates, using a scalable spin-coating technology. As the nanosuckers are pressed against a substrate, the flexible nanosuckers confirm to the substrate and deform by releasing the internal air between nanosuckers and the substrate, forming a seal and generating an adhesion force. The nanosucker adhesion is maintained over multiple contact cycles on both wet and dry surfaces.




New metamaterial-enhanced MRI technique tested on humans

Thu, 25 May 2017 08:54:12 -0400

Scientists have designed and tested a new metasurface-based technology for enhancing the local sensitivity of MRI scanners on humans for the first time.

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Researchers find new way to control light with electric fields

Thu, 25 May 2017 08:47:14 -0400

With this new discovery, a light may be controlled to be strong or weak, spread or focused, pointing one direction or others by an electric field.

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Successful use of DNA as a computer in artificial cells

Thu, 25 May 2017 05:42:28 -0400

Researchers have succeeded in detecting output molecules that are the calculation results of DNA computing using DNA molecules as electric information through a nanopore membrane protein.

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Unveiling the quantum necklace

Thu, 25 May 2017 05:35:21 -0400

Scientists have theoretically described two quantum states that are extraordinary in both the physics that define them and their visual appeal: a complex quantum system that simulates classical physics and a spellbinding necklace-like state.

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Printed, flexible and rechargeable battery can power wearable sensors (w/video)

Wed, 24 May 2017 14:28:14 -0400

Nanoengineers have developed the first printed battery that is flexible, stretchable and rechargeable. The zinc batteries could be used to power everything from wearable sensors to solar cells and other kinds of electronics.

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'Bobcat nanowagon' is a first step toward creating a new academic field

Wed, 24 May 2017 14:21:20 -0400

From nanocars to developing a controlled transport system at the molecular scale.

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'V8 Power' and Nanometer Precision Positioning in PI's New Piezo Linear Motor

Wed, 24 May 2017 10:49:49 -0400

Ideal for industrial applications, high push/pull and holding forces qualify this non-magnetic drive as the fastest and strongest of its size class.

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Paper test strip could help heart failure patients monitor their condition at home

Wed, 24 May 2017 09:49:18 -0400

Researchers developed a paper-based test that requires only a small blood sample of 10 microliters. A blue dot glows on the strip if ST2 is present in the sample, and a green dot glows if it contains BNP.

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Experiment shows that optical properties of 3D graphene are tuneable

Wed, 24 May 2017 09:42:25 -0400

An international research team has for the first time investigated the optical properties of three-dimensional nanoporous graphene. The experiments show that the plasmonic excitations in this new material can be precisely controlled by the pore size and by introducing atomic impurities.

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Neutrons provide the first nanoscale look at a living cell membrane (w/video)

Wed, 24 May 2017 09:35:20 -0400

A research team has performed the first-ever direct nanoscale examination of a living cell membrane. In doing so, it also resolved a long-standing debate by identifying tiny groupings of lipid molecules that are likely key to the cell's functioning.

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Precise insight into the depths of cells

Wed, 24 May 2017 09:28:30 -0400

Is it possible to watch at the level of single cells how fish embryos become trout, carp or salmon? Researchers have successfully combined two very advanced fluorescence microscopy techniques. The new high-resolution light microscope permits fascinating insights into a cell?s interior.

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Feather-light metal cathodes for stable lithium-oxygen batteries

Wed, 24 May 2017 07:41:11 -0400

Researchers report a new type of cathode, which could make lithium-oxygen batteries a practical option.

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Electrochemical energy storage with porous one-dimensional (1D) nanomaterials

Wed, 24 May 2017 07:34:51 -0400

The development of porous one-dimensional (1D) nanomaterials with designed properties and architectures has led to significant advances in electrochemical energy storage. A recent review article highlights the state-of-the-art on porous 1D nanostructures, from methodologies for rational and controllable synthesis (electrospinning, liquid phase method, template-assisted method, chemical deposition method, and chemical etching) to their successful application in different types of energy storage devices.




Explainer: what is nanomedicine and how can it improve childhood cancer treatment?

Wed, 24 May 2017 06:58:27 -0400

Nanomedicine has great potential to safely treat children's cancer. However, it is currently stymied by too little research. About two-thirds of research attention in nanomedicine therapeutics, of more 250 nanomedicine products, is focused on cancer. Yet this isn't translating into new cancer treatments for children coming to market.

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Measured for the first time: direction of light waves changed by quantum effect

Wed, 24 May 2017 04:44:08 -0400

After much speculation spanning a long period of time, one variant of the magneto-optical effect has now been demonstrated at for the first time.

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Special X-ray technique allows scientists to see atomic scale 3-D deformations

Wed, 24 May 2017 04:39:07 -0400

In a new study, researchers used an X-ray scattering technique called Bragg coherent diffraction imaging to reconstruct in 3-D the size and shape of grain defects.

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New theory predicts wetted area of droplets colliding with flat surface

Wed, 24 May 2017 04:24:51 -0400

Researchers have succeeded in deriving a theoretical formula that quantitatively predicts the wetting and spreading behavior of droplets that collide with the flat surface of a solid material.

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Water is surprisingly ordered on the nanoscale

Wed, 24 May 2017 04:15:08 -0400

Scientists discovered that molecules on the surface of the drops were much more ordered than expected. Their surprising results pave the way to a better understanding of atmospheric, biological and geological processes.

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A fresh look inside the protein nanomachines

Wed, 24 May 2017 04:07:22 -0400

A new physical model of protein evolution suggests a mechanical basis for the DNA map of functional proteins.

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One-dimensional crystals for low-temperature thermoelectric cooling

Wed, 24 May 2017 03:52:02 -0400

Researchers report high thermoelectric powers in one-dimensional crystals for practical low-temperature cooling.

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Nanoalloys ten times as effective as pure platinum in fuel cells

Wed, 24 May 2017 03:42:50 -0400

A new type of nanocatalyst can result in the long-awaited commercial breakthrough for fuel cell cars.

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Nanoanalysis resolves mystery of butterfly research

Tue, 23 May 2017 12:24:06 -0400

High-resolution X-ray tomography reveals how butterflies form their iridescent wing scales.

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Research reveals insights into optical properties of plasmonic nanostructures

Tue, 23 May 2017 12:15:41 -0400

Finding could lead to better sensors for security and biomedical applications and improved solar cells.

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Nanotechnology under development could safely, effectively convert bad fat to good fat, treat obesity

Tue, 23 May 2017 12:08:14 -0400

The new approach integrates two platform technologies to develop polymer-based nanotherapeutics that act directly on fat tissue and maintain weight loss.

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How to obtain highly crystalline organic-inorganic perovskite films for solar cells

Tue, 23 May 2017 10:53:15 -0400

A new formation strategy of hybrid perovskites via room temperature reactive polyiodide melts

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Atomic structure of irradiated materials is more akin to liquid than glass

Tue, 23 May 2017 10:43:10 -0400

In a surprising discovery, researchers determine that the atomic structure of irradiated materials is closer to liquid than glass - which may have significant implications for the selection of materials for nuclear applications.

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