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Updated: 3 hours 22 min ago

Printing nanoparticle shapes for medical applications

Wed, 04/17/2019 - 10:42
Researchers have developed a technology to customize the shapes of polymers and polymeric nanoparticles using DNA. In both 2D and 3D, precise patterns of structures composed of biocompatible polymer materials can be easily designed and constructed on a template.
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Tuning terahertz transmission with metasurfaces

Wed, 04/17/2019 - 10:29
A metasurface whose optical properties change in response to electricity provides precise control over the reflection and transmission of radiation.
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All-inorganic perovskite quantum dots help realize full-spectrum persistent luminescence tuning

Tue, 04/16/2019 - 19:07
In a new study, scientists report a novel strategy to fine-tuning the persistent luminescence by using all-inorganic perovskite quantum dots as efficient light conversion materials.
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Above-room-temperature antiferroelectric based on two-dimensional hybrid perovskite

Tue, 04/16/2019 - 18:58
In a first, researchers constructed above-room-temperature antiferroelectric with high energy storage efficiency based on two-dimensional organic-inorganic hybrid perovskite.
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Fast and selective optical heating for functional nanomagnetic metamaterials

Tue, 04/16/2019 - 17:25
Scientists demonstrate the use of hybrid magnetic-plasmonic elements to facilitate contactless and selective temperature control in magnetic functional metamaterials.
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Getting a smart tattoo without using any needle

Tue, 04/16/2019 - 13:14
A micro-jet injection technology that doesn't use needles at all creates an ultrafast liquid jet with the thickness of a human hair that penetrates the skin.
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New discovery makes fast-charging, better performing lithium-ion batteries possible

Tue, 04/16/2019 - 13:07
Nanomaterials could boost battery performance in consumer electronics, electric vehicles, and more.
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At the limits of detectability

Tue, 04/16/2019 - 12:59
New approach facilitates spectroscopy on individual molecules.
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New method to create ultrafast 3D images of nanostructures

Tue, 04/16/2019 - 12:53
Scientists have developed a method in which two images of an object can be taken from two different directions using a single laser pulse. The images are then combined to form a spatial image - similar to the human brain forming a stereo image from two slightly different images of both eyes.
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Light-driven artificial muscle made with nanomaterials

Tue, 04/16/2019 - 10:07
Researchers have developed a plasmonic-assisted holistic artificial muscle that can independently act as a fully functional motor system without assembling or joints.
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Printable nanogenerator creates electricity from snowfall

Mon, 04/15/2019 - 23:14
Researchers have designed a new device that creates electricity from falling snow. The first of its kind, this device is inexpensive, small, thin and flexible like a sheet of plastic.
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Light from exotic particle states

Mon, 04/15/2019 - 22:47
Researchers have developed a new type of light-emitting diode. Light is produced from the radiative decay of exciton complexes in layers of just a few atoms thickness.
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Graphene gives a tremendous boost to future terahertz cameras

Mon, 04/15/2019 - 22:40
A new study reports on the development of a graphene-enabled detector for terahertz light that is faster and more sensitive than existing room-temperature technologies.
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Novel laser processing method to increase efficiency of optoelectronic devices

Mon, 04/15/2019 - 17:12
Scientists have discovered a new method to passivate defects in next generation optical materials to improve optical quality and enable the miniaturization of light emitting diodes and other optical elements.
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3D printing MOFs with nanocellulose

Mon, 04/15/2019 - 17:02
Researchers demonstrate a 3D printable hydrogel ink containing metal-organic frameworks (MOFs). The synthesis and printing processes take place at room temperature using water as a solvent.
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Stardust machine fabricates high quantities of complex nanoparticles

Mon, 04/15/2019 - 16:35
At the heart of a new project is the 10 m-long Stardust machine, designed to mimic conditions in the outer atmospheres of red giant stars. In a series of five ultra-high-vacuum chambers, dust grains condense and are tracked on their simulated journey from the star into interstellar space.
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Heads in the cloud: Scientists predict internet of thoughts 'within decades'

Fri, 04/12/2019 - 19:47
An international collaboration predicts that exponential progress in nanotechnology, nanomedicine, AI, and computation will lead this century to the development of a 'Human Brain/Cloud Interface', that connects neurons and synapses in the brain to vast cloud-computing networks in real time.
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Perovskite solar cells - The interface makes the difference

Fri, 04/12/2019 - 19:45
Researchers look in detail at the interfaces in perovskite solar cells to understand the differences observed in their performance.
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Triboelectric nanogenerators for next-generation wearable health monitoring

Fri, 04/12/2019 - 13:12
Dozens of nanotechnology research groups worldwide are working on the development of triboelectric nanogenerators (TENGs) for harvesting energy from mechanical vibrations. The huge interest in TENGs stems from their ability to convert ambient mechanical energy into electricity for powering wearable electronics, energy generation using sound, sensor networks, removing air pollution with nanogenerator-enhanced air filters, implantable medical devices, and other small systems. A recent article comprehensively reviews the recent advances in TENG-based health monitoring.
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Quantum dot polymer for next-generation screens

Fri, 04/12/2019 - 09:09
Scientists have developed and patented the fabrication of transparent, luminescent material they say could give smartphone and television screens flexible, stretchable, and shatterproof properties.
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