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Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News



Phys.org provides the latest news on nanotechnology, nanoscience, nanoelectronics, science and technology. Updated Daily.



 



From flagship to spaceship—two experiments pushing the frontier of graphene's potential

Tue, 16 Jan 2018 08:43:18 EST

Due to its distinctive properties graphene has been held out as a game-changing material for a range of industries and applications. The Graphene Flagship initiative was set up as Europe's biggest ever multi-stakeholder research initiative, to quite literally shape the future of the technology.



Material surface mimics natural antimicrobial surfaces by binding and breaking bacterial cells open

Tue, 16 Jan 2018 08:10:01 EST

A powerful solution to the global spread of antimicrobial resistance could soon become available, thanks to A*STAR researchers, who have come up with a physical and green alternative to biochemically active antibacterial agents.



Clever simulation scheme helps identify the most promising compositions of two-dimensional materials

Tue, 16 Jan 2018 07:50:01 EST

A high-throughput scan of possible compositions for a new class of materials known as MXenes gives researchers invaluable direction for picking the best candidate from the millions of possible material recipes. The simulation study by researchers from the A*STAR Institute of High Performance Computing is a significant advancement in the field of MXenes, which have exciting potential in next-generation energy storage applications.



Researchers measure single atoms in a graphene 'petri-dish'

Mon, 15 Jan 2018 08:54:22 EST

Researchers working at The University of Manchester have shown new possibilities for observing nanomaterials in liquids by creating a graphene 'petri-dish'.



Wavy transistors that vertically gain width without increasing their on-chip footprint for future flexible displays

Mon, 15 Jan 2018 07:38:05 EST

Flexible ultrahigh resolution displays have benefits for next-generation mobile electronics, such as point-of-care medical diagnostic devices. KAUST has developed a unique transistor architecture that boosts the performance of the display circuitry.



New technology for diagnosing immunity to Ebola

Mon, 15 Jan 2018 07:36:02 EST

A promising new approach to detect immunity to Ebola virus infection has been developed by researchers from i-sense in a collaboration between UCL and Imperial College London.



Physicists unravel mystery of stable fullerenes

Mon, 15 Jan 2018 06:51:31 EST

Scientists at the National Research Nuclear University MEPhI (Russia) have explained the stability of nitrogen-doped fullerenes, which makes their industrial production and application easier. The article was published in Physica E: Low-dimensional Systems and Nanostructures.



Nanostructure boosts stability of organic thin-film transistors

Fri, 12 Jan 2018 14:00:02 EST

A nanostructured gate dielectric may have addressed the most significant obstacle to expanding the use of organic semiconductors for thin-film transistors. The structure, composed of a fluoropolymer layer followed by a nanolaminate made from two metal oxide materials, serves as gate dielectric and simultaneously protects the organic semiconductor - which had previously been vulnerable to damage from the ambient environment - and enables the transistors to operate with unprecedented stability.



New nanotweezers able to move sub-micrometer size objects in fluids

Fri, 12 Jan 2018 08:40:02 EST

Two researchers with the Indian Institute of Science have developed tiny tweezers that can manipulate objects in fluids as small as an individual bacterium. In their paper published in the journal Science Robotics, Souvik Ghosh and Ambarish Ghosh describe their nanotweezers and how well they work.



New research opening for atomically thin metal nanostructures

Fri, 12 Jan 2018 07:45:03 EST

Researchers at the Nanoscience Center at the University of Jyväskylä, Finland, have made a new opening in nanomaterial research. Opening's essence resides in the exclusive use of metallic elements in flat, atomically thin nanostructures.



Team makes short nanotube samples by hand to dramatically cut production time

Thu, 11 Jan 2018 12:51:47 EST

The terms "handmade" and "high tech" are not commonly found in the same sentence, but they both apply to a Rice University method to quickly produce fibers from carbon nanotubes.



White graphene makes ceramics multifunctional

Thu, 11 Jan 2018 09:10:30 EST

A little hBN in ceramics could give them outstanding properties, according to a Rice University scientist.



Extremely bright and fast light emission

Wed, 10 Jan 2018 13:40:27 EST

An international team of researchers from ETH Zurich, IBM Research Zurich, Empa and four American research institutions have found the explanation for why a class of nanocrystals that has been intensively studied in recent years shines in such incredibly bright colours. The nanocrystals contain caesium lead halide compounds that are arranged in a perovskite lattice structure.



First flashes of light observed from individual graphene nanoribbons

Wed, 10 Jan 2018 09:30:02 EST

For the first time, researchers have experimentally observed light emission from individual graphene nanoribbons. They demonstrated that 7-atom-wide nanoribbons emit light at a high intensity that is comparable to bright light-emitting devices made from carbon nanotubes, and that the color can be tuned by adjusting the voltage. The findings may one day lead to the development of bright graphene-based light sources.



Making the Internet of Things possible with a new breed of memristors

Wed, 10 Jan 2018 08:14:45 EST

The Internet of Things is coming, that much we know. But not without components and chips that can handle the explosion of data that comes with IoT. In 2020, there will be 50 billion industrial internet sensors in place. A single autonomous device – a smartwatch, a cleaning robot, or a driverless car – can produce gigabytes of data each day, whereas an airbus may have over 10,000 sensors in one wing alone.



Fiber OLEDs thinner than a hair

Wed, 10 Jan 2018 08:10:01 EST

Professor Kyung Cheol Choi from the School of Electrical Engineering and his team have fabricated highly efficient organic light-emitting diodes (OLEDs) on an ultra-thin fiber. The team expects the technology, which produces high-efficiency, long-lasting OLEDs, to be widely used in wearable displays.



Researcher discusses the self-assembly of materials to make diverse nanoscale patterns

Wed, 10 Jan 2018 06:50:02 EST

Some materials have the unique ability to self-assemble into organized molecular patterns and structures. Materials scientist Gregory Doerk of the Electronic Nanomaterials Group at the Center for Functional Nanomaterials (CFN)—a U.S. Department of Energy (DOE) Office of Science User Facility at Brookhaven National Laboratory—takes advantage of this ability in materials called block copolymers. Using these self-assembling materials, which have chains of two or more distinct molecules linked together by chemical bonds, Doerk directs the formation of such patterns and structures at the nanoscale. The ultimate goal is to leverage these nanoscale architectures to control the properties of materials for applications including solar energy conversion and storage, catalysis, and optics.



Physicists design potentially life-saving health monitor technology

Tue, 09 Jan 2018 14:08:05 EST

Sick babies in remote parts of the world could be monitored from afar thanks to new wearable technology designed by physicists at the University of Sussex. And parents at home, concerned about the risk of cot death, could keep track of their new babies' heart and breathing rates with automatic updates to their smart phones, using 'fitness tracker'-style technology built into baby sleep suits.



Team modifies nanoscale virus to deliver peptide drugs to cells, tissues

Mon, 08 Jan 2018 15:53:13 EST

By chipping away at a viral protein, Rice University scientists have discovered a path toward virus-like, nanoscale devices that may be able to deliver drugs to cells.



Scientists develop graphene sensors that could revolutionise the Internet of Things

Mon, 08 Jan 2018 08:58:12 EST

Researchers at The University of Manchester have devised graphene sensors embedded into RFIDs, which have the potential to revolutionise the Internet of Things (IoT).



Ultra-thin light emitting diodes

Mon, 08 Jan 2018 06:40:01 EST

National University of Singapore scientists have developed energy efficient ultra-thin light-emitting diodes (LEDs) for next generation communication technologies.



Hard-to-stretch silicon becomes superelastic

Fri, 05 Jan 2018 09:30:02 EST

As a hard and brittle material, silicon has practically no natural elasticity. But in a new study, researchers have demonstrated that amorphous silicon can be grown into superelastic horseshoe-shaped nanowires that can undergo stretching of more than twice their original length, and still maintain their excellent electric properties.



Researchers show how to optimize nanomaterials for fuel-cell cathodes

Fri, 05 Jan 2018 07:29:24 EST

Nitrogen-doped carbon nanotubes or modified graphene nanoribbons may be suitable replacements for platinum for fast oxygen reduction, the key reaction in fuel cells that transform chemical energy into electricity, according to Rice University researchers.



Technique could produce strong, resilient nanofibers for many applications

Fri, 05 Jan 2018 07:20:06 EST

Researchers at MIT have developed a process that can produce ultrafine fibers—whose diameter is measured in nanometers, or billionths of a meter—that are exceptionally strong and tough. These fibers, which should be inexpensive and easy to produce, could be choice materials for many applications, such as protective armor and nanocomposites.



Creating 2-D dichalcogenide structures using chemical vapor deposition

Thu, 04 Jan 2018 11:00:01 EST

A team of researchers from the University of South Florida and Florida State University has developed a one-pot synthesis technique for creating 2-D multi-junction heterostructures. In their paper published in the journal Nature, the team describes their technique and why they believe it will be useful for building future high-speed electronics and optoelectronic devices. Weijie Zhao and Qihua Xiong with Nanyang Technological University in Singapore offer a News and Views piece in the same journal issue outlining the work done by the team in Florida.



Macrophage nanosponges could keep sepsis in check

Thu, 04 Jan 2018 10:33:28 EST

A team of researchers at the University of California San Diego has developed macrophage "nanosponges" that can safely absorb and remove molecules from the bloodstream that are known to trigger sepsis. These macrophage nanosponges, which are nanoparticles cloaked in the cell membranes of macrophages, have so far improved survival rates in mice with sepsis.



Lab unlocks secrets of nanoscale 3-D printing

Thu, 04 Jan 2018 06:00:01 EST

Lawrence Livermore National Laboratory (LLNL) researchers have discovered novel ways to extend the capabilities of two-photon lithography (TPL), a high-resolution 3-D printing technique capable of producing nanoscale features smaller than one-hundredth the width of a human hair.



Engineers make wearable sensors for plants, enabling measurements of water use in crops

Thu, 04 Jan 2018 03:42:24 EST

Iowa State University plant scientist Patrick Schnable quickly described how he measured the time it takes for two kinds of corn plants to move water from their roots, to their lower leaves and then to their upper leaves.



Carbon nanotubes devices may have a limit to how 'nano' they can be

Wed, 03 Jan 2018 10:34:24 EST

Carbon nanotubes bound for electronics not only need to be as clean as possible to maximize their utility in next-generation nanoscale devices, but contact effects may limit how small a nano device can be, according to researchers at the Energy Safety Research Institute (ESRI) at Swansea University in collaboration with researchers at Rice University.



The making of biorelevant nanomaterials

Wed, 03 Jan 2018 06:21:59 EST

The interactions of biological macromolecules such as nucleic acids, proteins, and polysaccharide–protein conjugates can be mimicked by artificial polyelectrolytes. Such synthetic polyionic complexes are expected to serve as novel platforms to stabilize and deliver drugs, proteins, or nucleic acids. In the journal Angewandte Chemie, Chinese investigators have introduced a versatile, commercially applicable preparation strategy of such nanomaterials with tunable morphology. The preparation of libraries of these low-dimensional biorelevant nanostructures can be envisaged.