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Atomically thin, part-organic semiconductor for bendable phones

NanoWerk.com - Fri, 10/05/2018 - 16:15
Engineers have invented a semiconductor with organic and inorganic materials that can convert electricity into light very efficiently, and it is thin and flexible enough to help make devices such as mobile phones bendable.

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Flexible piezoelectric acoustic sensors for speaker recognition (w/video)

NanoWerk.com - Fri, 10/05/2018 - 15:58
Researchers fabricated a flexible piezoelectric membrane by mimicking the basilar membrane in the human cochlear. Resonant frequencies vibrate corresponding regions of the trapezoidal piezoelectric membrane, which converts voice to electrical signal with a highly sensitive self-powered acoustic sensor.

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New spheres trick, trap and terminate water contaminant

NanoWerk.com - Fri, 10/05/2018 - 14:59
Scientists have developed something akin to the Venus flytrap of particles for water remediation.

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A self-powered heart monitor taped to the skin

NanoWerk.com - Fri, 10/05/2018 - 11:19
Scientists have developed a human-friendly, ultra-flexible organic sensor powered by sunlight, which acts as a self-powered heart monitor.

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How to make a lab-on-a-chip clear and biocompatibel with nanocoatings

NanoWerk.com - Fri, 10/05/2018 - 09:42
Researchers streamline the design of microfluidic devices to be see-through to observe their inner workings.

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Enhancement of piezoelectric properties in organic polymers all in the molecules

NanoWerk.com - Thu, 10/04/2018 - 22:04
The inability to alter intrinsic piezoelectric behavior in organic polymers hampers their application in flexible, wearable and biocompatible devices, but now a molecular approach can improve those piezoelectric properties.

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Nanoparticles to treat snakebites

NanoWerk.com - Thu, 10/04/2018 - 21:36
Scientists describe a new approach to treating snake bites, using nanoparticles to bind to venom toxins and prevent the spread of venom through the body.

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Plasmonic effect that allows nanocatalyst to work at lower energy

NanoWerk.com - Thu, 10/04/2018 - 21:30
Nanoscientists have demonstrated a new catalyst that can convert ammonia into hydrogen fuel at ambient pressure using only light energy, mainly due to a plasmonic effect that makes the catalyst more efficient.

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Molecular multitools

NanoWerk.com - Thu, 10/04/2018 - 19:02
Researchers have developed surfaces that can easily be patterned with different functionalities using visible light.

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Designing a self-folding metamaterial

NanoWerk.com - Thu, 10/04/2018 - 18:45
Physicists have designed a metamaterial structure that folds itself up in several steps.

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Making a movie of nanocrystals' structural evolution

NanoWerk.com - Thu, 10/04/2018 - 18:43
Combined ultrafast snapshots suggest that the crystal symmetry of copper sulfide nanocrystals changes due to interactions between electrons and atoms vibrating in the crystal lattice - an understanding of which could help scientists optimize the functionality of superconductors, magnetic materials, and other strongly correlated systems.

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Extracting energy from a 60 nanometers thin layer

NanoWerk.com - Thu, 10/04/2018 - 18:30
Scientists have demonstrated the viability of the direct piezoelectric effect in a thin film bismuth ferrite material for the first time.

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New materials are powering the battery revolution

NanoWerk.com - Thu, 10/04/2018 - 13:59
For the most part, advances in energy storage will rely on the continuing development of materials science, pushing the limits of performance of existing battery materials and developing entirely new battery structures and compositions. The battery industry is already working to reduce the cost of lithium-ion batteries, including by removing expensive cobalt from their positive electrodes. Researchers also are looking at the possibilities of using two-dimensional materials, essentially extremely thin sheets of substances with useful electronic properties.

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Nanostructured coatings deliver killing touch for bacteria

NanoWerk.com - Thu, 10/04/2018 - 10:43
Tiny zinc oxide-based spikes that mimic natural antibacterial coatings puncture and damage microbial cell walls via oxidation.

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Measuring microviscosity inside cells

NanoWerk.com - Thu, 10/04/2018 - 10:36
A rotating fluorescent molecule that stays brighter in more viscous environments could shed light on the inner workings of the cellular environment.

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Toughening up polymers with nanoparticles

NanoWerk.com - Thu, 10/04/2018 - 10:27
Adding nanoparticles to a polymer matrix enhances the thermo-mechanical properties of the materials.

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A new brain-inspired architecture could improve how computers handle data and advance AI

NanoWerk.com - Wed, 10/03/2018 - 22:29
Researchers designed a new computer architecture with co-located memory and processing. In studies, their prototype ran 200 times faster than conventional computers.

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Flowing salt water over this super-hydrophobic surface can generate electricity

NanoWerk.com - Wed, 10/03/2018 - 20:43
Engineers have developed a super-hydrophobic surface that can be used to generate electrical voltage. When salt water flows over this specially patterned surface, it can produce at least 50 millivolts.

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Unmasking corrosion to design better protective thin films for metals

NanoWerk.com - Wed, 10/03/2018 - 20:38
Researchers from three universities team up to analyze oxide films at atomic level.

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Liquid crystals and the origin of life

ScienceDaily.com: Nanotechnology News - Wed, 10/03/2018 - 17:03
Liquid crystals are common in modern electronic device screens, but they may have played a far more ancient role: helping to assemble Earth's first biomolecules. Researchers have found that short RNA molecules can form liquid crystals that encourage growth into longer chains.
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