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Scientists put the optical microscope under the microscope to achieve atomic accuracy

NanoWerk.com - Wed, 05/23/2018 - 12:51
New research developments enable optical microscopes to measure these nanometer-scale details with a new level of accuracy.

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Moisture-powered electronics

NanoWerk.com - Wed, 05/23/2018 - 12:31
Very different from piezoelectric and other energy harvesting technologies, new research shows that water vapor or moisture expand the range of natural phenomena that can be used to generate electric power. Researchers demonstrate that moisture, a vast kind of resource existing ubiquitously on earth and in biological organisms, can be exploited as a novel harvestable energy to generate electricity. Although some device configurations previously have been demonstrated to directly generate electricity from moisture, these generators have not been shown yet to be flexible and to be used as self-powered wearable devices.

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Inorganic material database 'AtomWork-Adv' made available to the public

NanoWerk.com - Wed, 05/23/2018 - 12:24
AtomWork-Adv markedly improves upon the amount of data available and the usability of the current web-based AtomWork database.

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Putting the optical microscope under the microscope to achieve atomic accuracy

ScienceDaily.com: Nanotechnology News - Wed, 05/23/2018 - 01:00
New work enables optical microscopes to measure these nanometer-scale details with a new level of accuracy.
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Mimicking biology to shape nanomaterials

NanoWerk.com - Tue, 05/22/2018 - 20:02
Researchers utilize cellular proteins to shape silver nanoplates, suggesting an efficient strategy for controlling the nanostructure of inorganic materials.

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Tunable diamond string may hold key to quantum memory

NanoWerk.com - Tue, 05/22/2018 - 18:06
A process similar to guitar tuning improves storage time of quantum memory.

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Remote control of transport through nanopores

NanoWerk.com - Tue, 05/22/2018 - 17:44
New study outlines key factors affecting the transfer of molecules through biological channels.

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Magnesium magnificent for plasmonic applications

NanoWerk.com - Tue, 05/22/2018 - 17:39
Researchers have synthesized and isolated plasmonic magnesium nanoparticles that show all the promise of their gold, silver and aluminum cousins with none of the drawbacks.

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Injectable nanoengineered bandage targets fatal internal bleeding

NanoWerk.com - Tue, 05/22/2018 - 16:43
Self-administered hydrogel designed to stem fatal blood loss, activate wound healing process.

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Nanovalves for nanoparticles

NanoWerk.com - Tue, 05/22/2018 - 16:30
Newly-developed nanovalves allow the flow of individual nanoparticles in liquids to be controlled in tiny channels. This is of interest for lab-on-a-chip applications such as in materials science and biomedicine.

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Nature-inspired nanotechnology: skin-mimicking sensors

NanoWerk.com - Tue, 05/22/2018 - 16:21
Mimicking the exciting skin structure and function, researchers have designed hierarchical nanoporous and interlocked micro ridge structured polymers with gradient stiffness. The gradient elastic modulus of interlocked and micro ridge structured polymers effectively transfers the external stress and induces the large frictional contact between two polymeric layers, which facilitates their use in self-powered triboelectric sensors. Furthermore, the additional nanoporous structures in the micro ridge structured polymers lead to the effective variation of both volume and gap distance between opposing surfaces without the need of bulky spacers, resulting in ultrathin and flexible triboelectric sensors for applications in wearable electronics.

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One-way roads for spin currents

NanoWerk.com - Tue, 05/22/2018 - 16:14
Researchers have shown a completely new approach to controlling spin currents based on strong spin-spin interactions, which results in diodes for spin current with a giant rectification.

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Nanotechnology food packaging releases preservatives on demand

NanoWerk.com - Tue, 05/22/2018 - 16:04
Researchers demonstrate fruit preservative delivery from a nanocomposite packing in response to the signal from the fruit stimuli.

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Quantum dot technique can track drug and gene delivery to cells

NanoWerk.com - Tue, 05/22/2018 - 15:31
The new tracking technique uses single-molecule imaging, which allows to observe individual molecules over time, and quantum dots, which act like tiny beacons inside cells.

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Leveraging imperfections to create better-behaved quantum dots

NanoWerk.com - Tue, 05/22/2018 - 15:25
Potentially paving the way toward advanced computers, lasers or optical devices, researchers have revealed new effects in tiny electronic devices called quantum dots.

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Versatile nanospheres

NanoWerk.com - Tue, 05/22/2018 - 10:04
Researchers build artificial cellular compartments as molecular workshops.

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A better way to control crystal vibrations

ScienceDaily.com: Nanotechnology News - Mon, 05/21/2018 - 23:42
The vibrational motion of an atom in a crystal propagates to neighboring atoms, which leads to wavelike propagation of the vibrations throughout the crystal. The way in which these natural vibrations travel through the crystalline structure determine fundamental properties of the material. Now, researchers have shown that by swapping out just a small fraction of a material's atoms with atoms of a different element, they can control the speed and frequencies of these vibrations.
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Flexible, highly efficient multimodal energy harvesting

ScienceDaily.com: Nanotechnology News - Mon, 05/21/2018 - 22:38
A 10-fold increase in the ability to harvest mechanical and thermal energy over standard piezoelectric composites may be possible using a piezoelectric ceramic foam supported by a flexible polymer support, according to researchers.
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Nanoparticles could offer a new way to help eradicate polio

NanoWerk.com - Mon, 05/21/2018 - 22:14
The vaccine, which delivers multiple doses in just one injection, could make it easier to immunize children in remote regions of Pakistan and other countries where the disease is still found.

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Discovery for grouping atoms invokes Pasteur

ScienceDaily.com: Nanotechnology News - Mon, 05/21/2018 - 21:18
Scientists have found a new way of joining groups of atoms together into shape-changing molecules -- opening up the possibility of a new area of chemistry and the development of countless new drugs, microelectronics and materials. Discoveries of new ways to make isomers -- molecules made of the same atoms connected together differently -- were last reported in 1961 and before then in 1914. Proof-of-principle and prototype demonstration of this important finding are expected within 30 months.
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