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Preview: EurekAlert! - Nanotechnology

EurekAlert! - Nanotechnology

The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.

Last Build Date: Sat, 10 Dec 2016 22:58:01 EST

Copyright: Copyright 2016 American Association for the Advancement of Science (AAAS); All rights reserved.

Finger swipe-powered phone? We're 1 step closer

Fri, 09 Dec 2016 00:00:00 EST

(Michigan State University) The day of charging cellphones with finger swipes and powering Bluetooth headsets simply by walking is now much closer.

Prof Steve WaiChing Sun wins Air Force's Young Investigator Program Award

Thu, 08 Dec 2016 00:00:00 EST

(Columbia University School of Engineering and Applied Science) Columbia Engineering Prof Steve WaiChing Sun has won the Air Force's Young Investigator Program Award to model load response of granular materials; he is leading a combined experiential-modeling effort to help understand the high-strain-rate responses of wetted granular materials to impact loadings released into the soil, such as blasts, explosion, munitions, subsurface exploration, ground improvement, and ballistic vulnerability of military structures.

Researchers peer into atom-sized tunnels in hunt for better battery

Thu, 08 Dec 2016 00:00:00 EST

(University of Illinois at Chicago) Battery researchers have used a special electron microscope with atomic-level resolution to show that certain large ions can hold open tunnels in a promising electrode material, so that charge-carrying ions like lithium can enter and exit the electrode easily and quickly -- boosting capacity.

Further improvement of qubit lifetime for quantum computers

Thu, 08 Dec 2016 00:00:00 EST

(Forschungszentrum Juelich) An international team of scientists has succeeded in making further improvements to the lifetime of superconducting quantum circuits. An important prerequisite for the realization of high-performance quantum computers is that the stored data should remain intact for as long as possible. The researchers, including Jülich physicist Dr. Gianluigi Catelani, have developed and tested a technique that removes unpaired electrons from the circuits. These are known to shorten the qubit lifetime.

Keeping electric car design on the right road

Thu, 08 Dec 2016 00:00:00 EST

(Norwegian University of Science and Technology) Pushing nanoscale battery developments in the right direction can help create a sustainable transport sector.

Electron highway inside crystal

Thu, 08 Dec 2016 00:00:00 EST

(University of Würzburg) Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.

Scientists track chemical and structural evolution of catalytic nanoparticles in 3-D

Thu, 08 Dec 2016 00:00:00 EST

(DOE/Brookhaven National Laboratory) To help tackle the challenge of finding effective, inexpensive catalysts for fuel cells, scientists at Brookhaven Lab have produced dynamic, 3-D images that reveal how catalytic nanoparticles evolve as they are processed.

State of the art sensors made from graphene and children's toy silly putty

Thu, 08 Dec 2016 00:00:00 EST

(AMBER Centre) Researchers in AMBER, the Science Foundation Ireland-funded materials science research centre, hosted in Trinity College Dublin, have used the wonder material graphene to make the novelty children's material silly putty® (polysilicone) conduct electricity, creating extremely sensitive sensors. The research potentially offers exciting possibilities for applications in new, inexpensive devices and diagnostics in medicine and other sectors.

Stamping technique creates tiny circuits with electronic ink

Wed, 07 Dec 2016 00:00:00 EST

(Massachusetts Institute of Technology) Engineers at MIT have invented a fast, precise printing process that may make such electronic surfaces an inexpensive reality. In a paper published today in Science Advances, the researchers report that they have fabricated a stamp made from forests of carbon nanotubes that is able to print electronic inks onto rigid and flexible surfaces.

ANU invention to inspire new night-vision specs

Tue, 06 Dec 2016 00:00:00 EST

(Australian National University) Scientists at The Australian National University have designed a nano crystal around 500 times smaller than a human hair that turns darkness into visible light and can be used to create light-weight night-vision glasses.

Blood-brain barrier on a chip sheds new light on 'silent killer'

Tue, 06 Dec 2016 00:00:00 EST

(Vanderbilt University) An interdisciplinary team of researchers from the Vanderbilt Institute for Integrative Biosystems Research and Education (VIIBRE) has developed a microfluidic device containing human cells which faithfully mimics the behavior of the blood-brain barrier and used it to gain new insights into brain inflammation, which can be caused by injury or infections such as meningitis and encephalitis.

New material could lead to erasable and rewriteable optical chips

Tue, 06 Dec 2016 00:00:00 EST

(University of Texas at Austin) Engineers at The University of Texas at Austin have developed a nanomaterial that could lead to optical chips and circuits. The researchers believe they are the first to rewrite a waveguide, which is a crucial photonic component and a building block for integrated circuits, using an all-optical technique.

Delivering a power punch

Mon, 05 Dec 2016 00:00:00 EST

(King Abdullah University of Science & Technology (KAUST)) Microscale energy storage units for wearable and miniaturized electronic devices are improved using porous materials.

Ultrathin protective layer brings quite a bit more stability to perovskite solar cell

Mon, 05 Dec 2016 00:00:00 EST

(Eindhoven University of Technology) The addition of a few nanometers of a thin layer of aluminum oxide protects a perovskite solar cell against humidity -- still a major stumbling block to the commercial application of this new type of solar cell. A surprising bonus is a yield boost of 3 percent. These are the findings of researchers at Eindhoven University of Technology (TU/e) and research institute ECN, part of the Solliance collective, published today in the journal Energy and Environmental Science.

Why friction depends on the number of layers

Mon, 05 Dec 2016 00:00:00 EST

(Karlsruher Institut für Technologie (KIT) ) Based on simulations, friction properties of the two-dimensional carbon graphene were studied by scientists of Karlsruhe Institute of Technology (KIT) and the Fraunhofer Institute for Mechanics of Materials IWM with scientists in China and the USA. In contact with monolayer graphene, friction is higher than with multi-layered graphene or graphite; friction force increases for continued sliding. The scientists attribute this to the real contact area and the evolving quality of frictional contact.

University of Huddersfield secures new £30 million for Future Metrology Research Hub

Mon, 05 Dec 2016 00:00:00 EST

(University of Huddersfield) The University of Huddersfield is to lead a new £30 million research centre to help transform UK manufacturing. The Future Metrology Hub will be based in the University's Centre for Precision Technologies, home to a team of world-renowned researchers in precision engineering and metrology.

Secrets of the paleo diet: Discovery reveals plant-based menu of prehistoric man

Mon, 05 Dec 2016 00:00:00 EST

(The Hebrew University of Jerusalem) A collection of 780,000-year-old edible plants found in Israel reveals the plant-based diet of the prehistoric man and is the largest and most diverse in the Levantine corridor linking Africa and Eurasia.

Bactericidal activity of usnic acid-loaded electrospun fibers

Mon, 05 Dec 2016 00:00:00 EST

(Bentham Science Publishers) The development of antibiotics generated a revolution in the way we look and treat bacterial infections. In spite of the initial success, new problems came along and raised allergic reactions, bacterial resistance and ecological problems. These consequences have encouraged the research of alternative solutions based on sustainable sources.

New aspect of atom mimicry for nanotechnology applications

Fri, 02 Dec 2016 00:00:00 EST

(Tokyo Institute of Technology) Tokyo Tech researchers show dendrimers that mimic the electron valency of atoms can also mimic polymerisation yielding controlled one and two-dimensional arrays of nanocontainers.

Making graphene using laser-induced phase separation

Thu, 01 Dec 2016 00:00:00 EST

(Institute for Basic Science) IBS and KAIST researchers clarify how laser annealing technology can lead to production of ultrathin nanomaterials.

Microbubbles and ultrasound open the blood-brain barrier to administer drugs

Wed, 30 Nov 2016 00:00:00 EST

(FECYT - Spanish Foundation for Science and Technology) The impassable blood-brain barrier prevents microorganisms from entering our brain, however it also blocks medicines that could help treat Parkinson's, Alzheimer's and other neurodegenerative diseases. Now, a Spanish physicist and other researchers at the University of Columbia (USA) have succeeded in embedding these substances in tiny lipid bubbles, in such a way that ultrasound can be used to release them into the specific area of the brain where they are needed.

Throwing new light on printed organic solar cells

Wed, 30 Nov 2016 00:00:00 EST

(University of Surrey) Researchers at the University of Surrey have achieved record power conversion efficiencies for large area organic solar cells. In recent years scientists have been attempting to increase the efficiency of these cells to allow commercial applications such as integration into a building's glass façade, generating electricity to power the building.

Quantum obstacle course changes material from superconductor to insulator

Wed, 30 Nov 2016 00:00:00 EST

(Brown University) Researchers from Brown University have shown a way to break superconductivity by disrupting the coherence of superconducting Cooper pairs. Such a phase change from superconducting to insulating had been predicted by theory, but hadn't been demonstrated experimentally. The research could help scientists better understand how defects can affect the quantum behavior of materials.

A method for storing vaccines at room temperature

Wed, 30 Nov 2016 00:00:00 EST

(Ecole Polytechnique Fédérale de Lausanne) Several simple and inexpensive techniques make it possible to store antiviral-vaccines at room temperature for several months. This discovery by EPFL researchers and partners could make a difference in inaccessible areas and developing countries where maintaining cold-chain transportation of vaccines is complicated and expensive.

Deep insights from surface reactions

Tue, 29 Nov 2016 00:00:00 EST

(University of Texas at Austin, Texas Advanced Computing Center) Using the Stampede supercomputer at the Texas Advanced Computing Center, researchers have developed biosensors that can speed up drug development, designed improved materials for desalinization, and explored new ways of generating energy from bacteria. These findings, reported in ACS Central Science, the Journal of Physical Chemistry B and the Journal of Physical Chemistry Letters, are helping to elucidate the atomic and quantum behavior of nano- and bio-materials.