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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: Tue, 17 Jan 2017 11:58:01 EST

Copyright: Copyright 2017 American Association for the Advancement of Science (AAAS); All rights reserved.

Microbiologists make big leap in developing 'green' electronics

Tue, 17 Jan 2017 00:00:00 EST

(University of Massachusetts at Amherst) Microbiologists at the University of Massachusetts Amherst report that they have discovered a new type of natural wire produced by bacteria that could greatly accelerate the researchers' goal of developing sustainable 'green' conducting materials for the electronics industry.

King Faisal Prize for Würzburg physicist

Tue, 17 Jan 2017 00:00:00 EST

(University of Würzburg) Another award for Laurens Molenkamp: The physicist won the King Faisal International Prize (KFIP) 2017 in the 'Science' category. The scientist earned the recognition for his work in the field of spintronics.

Nanotechnology: Lighting up ultrathin films

Tue, 17 Jan 2017 00:00:00 EST

(Ludwig-Maximilians-Universität München) Based on a study of the optical properties of novel ultrathin semiconductors, researchers of Ludwig-Maximilians-Universitaet in Munich have developed a method for rapid and efficient characterization of these materials.

The power of attraction

Tue, 17 Jan 2017 00:00:00 EST

(King Abdullah University of Science & Technology (KAUST)) Hybrid organic-inorganic materials can self-assemble into tiny doughnut-like structures.

Basel physicist Daniel Loss receives the King Faisal International Prize

Mon, 16 Jan 2017 00:00:00 EST

(University of Basel) Professor Daniel Loss from the University of Basel's Department of Physics and the Swiss Nanoscience Institute has been awarded the King Faisal International Prize for Science 2017. The King Faisal Foundation awarded Loss the renowned science prize for his discovery of a concept for development of a quantum computer based on the intrinsic angular momentum of electrons. Loss has further refined his theory over recent years and established a completely new field of research.

Dressing a metal in various colors

Mon, 16 Jan 2017 00:00:00 EST

(DGIST (Daegu Gyeongbuk Institute of Science and Technology)) DGIST research team developed a technology to coat metal with several nanometers of semiconducting materials. This technology can be applied to solar cells, wearable devices, displays, and the like.

Nanoscale view of energy storage

Mon, 16 Jan 2017 00:00:00 EST

(Stanford University) Through long shifts at the helm of a highly sophisticated microscope, researchers at Stanford recorded reactions at near-atomic-scale resolution. Their success is another step toward building a better battery.

Seeing the quantum future... literally

Sat, 14 Jan 2017 00:00:00 EST

(University of Sydney) Sydney scientists have demonstrated the ability to 'see' the future of quantum systems and used that knowledge to preempt their demise, in a major achievement that could help bring the strange and powerful world of quantum technology closer to reality. Although applications of quantum-enabled technologies are compelling, quantum physicists had previously been stymied by the most significant obstacle to building reliable quantum technologies -- 'decoherence' or the randomization of quantum systems by their environments.

NUS researchers achieve major breakthrough in flexible electronics

Fri, 13 Jan 2017 00:00:00 EST

(National University of Singapore) A team of scientists from the National University of Singapore has successfully developed conducting polymer films that can provide unprecedented ohmic contacts to give superior performance in plastic electronics, including organic light-emitting diodes, solar cells and transistors.

Manchester scientists tie the tightest knot ever achieved

Thu, 12 Jan 2017 00:00:00 EST

(University of Manchester) Scientists at The University of Manchester have produced the most tightly knotted physical structure ever known -- a scientific achievement which has the potential to create a new generation of advanced materials.

Deciphering the beetle exoskeleton with nanomechanics

Wed, 11 Jan 2017 00:00:00 EST

(Northwestern University) Northwestern Engineering's Horacio D. Espinosa and his group employed a creative way to identify the geometry and material properties of the fibers that comprise a beetle's exoskeleton. This work could ultimately uncover information that could guide the design and manufacturing of new and improved artificial materials through bio-mimicry.

CWRU directly measures how perovskite solar films efficiently convert light to power

Wed, 11 Jan 2017 00:00:00 EST

(Case Western Reserve University) Researchers at Case Western Reserve University have directly shown that electrons generated when light strikes a well-oriented perovskite film are unrestricted by grain boundaries and travel long distances without deteriorating. Identification of this property, which is key to efficiently convert sunlight into electricity, could lead to more efficient solar panels.

A new type of monitoring provides information about the life of bacteria in microdroplets

Wed, 11 Jan 2017 00:00:00 EST

(Institute of Physical Chemistry of the Polish Academy of Sciences) In the future, it will be possible to carry out tests of new drugs on bacteria much more efficiently using microfluidic devices, since each of the hundreds and thousands of droplets moving through the microchannels can act as separate incubators. So far, however, there has been no quick or accurate method of assessing the oxygen conditions in individual microdroplets. This key obstacle has been overcome at the Institute of Physical Chemistry of the Polish Academy of Sciences.

First look inside nanoscale catalysts shows 'defects' are useful

Wed, 11 Jan 2017 00:00:00 EST

(The Hebrew University of Jerusalem) Peering for the first time into the workings of tiny chemical catalysts, scientists observed that the 'defective' structure on their edges enhances their reactivity and effectiveness. This finding that could lead to the design of improved catalysts that make industrial chemical processes greener, by decreasing the amount of energy needed for chemical reactions, and preventing the formation of unwanted and potentially hazardous products.

New laser based on unusual physics phenomenon could improve telecommunications, computing

Wed, 11 Jan 2017 00:00:00 EST

(University of California - San Diego) Researchers at the University of California San Diego have demonstrated the world's first laser based on an unconventional wave physics phenomenon called bound states in the continuum. The technology could revolutionize the development of surface lasers, making them more compact and energy-efficient for communications and computing applications. The new BIC lasers could also be developed as high-power lasers for industrial and defense applications.

NIST physicists 'squeeze' light to cool microscopic drum below quantum limit

Wed, 11 Jan 2017 00:00:00 EST

(National Institute of Standards and Technology (NIST)) Physicists at the National Institute of Standards and Technology (NIST) have cooled a mechanical object to a temperature lower than previously thought possible, below the so-called 'quantum limit.'

3-D printing and nanotechnology, a mighty alliance to detect toxic liquids

Tue, 10 Jan 2017 00:00:00 EST

(Polytechnique Montréal) Carbon nanotubes have made headlines in scientific journals for a long time, as has 3-D printing. But when both combine with the right polymer, in this case a thermoplastic, something special occurs: electrical conductivity increases and makes it possible to monitor liquids in real time. This is a huge success for Polytechnique Montréal.

Neurons modulate the growth of blood vessels

Tue, 10 Jan 2017 00:00:00 EST

(Karlsruher Institut für Technologie (KIT) ) A team of researchers at Karlsruhe Institute of Technology shake at the foundations of a dogma of cell biology. By detailed series of experiments, they proved that blood vessel growth is modulated by neurons and not, as assumed so far, through a control mechanism of the vessel cells among each other. The results are groundbreaking for research into and treatment of vascular diseases, tumors, and neurodegenerative diseases. The study will be published in the prestigious journal Nature Communications.

Zeroing in on the true nature of fluids within nanocapillaries

Tue, 10 Jan 2017 00:00:00 EST

(American Institute of Physics) Shrinking the investigation of objects to the nanometer scale often reveals new properties of matter that have no equivalent for their bulk analysis. This phenomenon is motivating studies of nanomaterials which can reveal fascinating new phenomena. It inspired researchers to explore the extent of knowledge about fundamental properties of fluids, which demands reconsideration with the increasing use of fluids in the decreasing sizes of new devices, where their flow is confined into ever-smaller capillary tubes.

Researchers create practical and versatile microscopic optomechanical device

Mon, 09 Jan 2017 00:00:00 EST

(The Optical Society) Researchers have developed a new type of optomechanical device that uses a microscopic silicon disk to confine optical and mechanical waves. The new device is highly customizable and compatible with commercial manufacturing processes, making it a practical solution for improving sensors that detect force and movement.

Study: Some catalysts contribute their own oxygen for reactions

Mon, 09 Jan 2017 00:00:00 EST

(Massachusetts Institute of Technology) New MIT research shows that metal-oxide catalysts can sometimes release oxygen from within their structure, enhancing chemical activity.

Physicists solve decades-old scientific mystery of negative differential resistance

Thu, 05 Jan 2017 00:00:00 EST

(University of Alberta) With a storied history that includes more than a half-century of research, a Nobel Prize, and multiple attempts at practical applications, the story of negative differential resistance -- or NDR -- reads like a scientific mystery, a mystery that University of Alberta physicists have at last succeeded in unraveling.

Captured on video: DNA nanotubes build a bridge between 2 molecular posts

Thu, 05 Jan 2017 00:00:00 EST

(Johns Hopkins University) Researchers have coaxed DNA nanotubes to assemble themselves into bridge-like structures arched between two molecular landmarks on the surface of a lab dish.

New microscope chemically identifies micron-sized particles

Thu, 05 Jan 2017 00:00:00 EST

(The Optical Society) A team from MIT Lincoln Labs have developed a microscope that can chemically identify individual micron-sized particles. The new approach could one day be used in airports or other high-security venues as a highly sensitive and low-cost way to rapidly screen people.

Telecommunications light amplifier could strengthen integrity of transmitted data

Thu, 05 Jan 2017 00:00:00 EST

(Singapore University of Technology and Design) Imagine a dim light which is insufficiently bright enough to illuminate a room. An amplifier for such a light would increase the brightness by increasing the number of photons emitted. Photonics researchers have created such a high gain optical amplifier that is compact enough to be placed on a chip. The developed amplifier would help to efficiently increase the power of the transmitted light before it is completely depleted through optical losses.