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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: Fri, 09 Sep 2016 02:58:00 EDT

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

New material to revolutionize water proofing

Wed, 07 Sep 2016 00:00:00 EDT

(Australian National University) Scientists at The Australian National University (ANU) have developed a new spray-on material with a remarkable ability to repel water.The new protective coating could eventually be used to waterproof mobile phones, prevent ice from forming on airplanes or protect boat hulls from corroding.

Stealth pig cells may hold the key to treating diabetes in humans

Wed, 07 Sep 2016 00:00:00 EDT

(University of Alabama at Birmingham) University of Alabama at Birmingham researchers are exploring ways to wrap pig tissue with a protective coating to ultimately fight diabetes in humans. The nano-thin bilayers of protective material are meant to deter or prevent immune rejection. The ultimate goal: transplant insulin-producing cell-clusters from pigs into humans to treat Type 1 diabetes.

UAlberta mechanical engineering in hot pursuit of creeping bacteria

Wed, 07 Sep 2016 00:00:00 EDT

(University of Alberta) The growth of bacterial biofilm is problematic when you think of all the liquid flowing through all those miles of tubing at your local hospital or Medi-Centre. The movement of bacteria with flow can lead to the spread of infection. Mechanical engineering professor Aloke Kumar's lab set out to study the formation of the filaments, as well as the conditions under which they begin to break down and finally break off.

Breakthrough in materials science: Kiel research team can bond metals with nearly all surfaces

Wed, 07 Sep 2016 00:00:00 EDT

(Kiel University) How metals can be used depends particularly on the characteristics of their surfaces. A research team at Kiel University has discovered how they can change the surface properties without affecting the mechanical stability of the metals or changing the metal characteristics themselves. This fundamentally new method is based on using an electrochemical etching process, in which the uppermost layer of a metal is roughened on a micrometer scale in a tightly controlled manner.

New perovskite research discoveries may lead to solar cell, LED advances

Wed, 07 Sep 2016 00:00:00 EDT

(DOE/Ames Laboratory) 'Promising' and 'remarkable' are two words US Department of Energy's Ames Laboratory scientist Javier Vela uses to describe recent research results on organolead mixed-halide perovskites.

Tooth decay -- drilling down to the nanoscale

Wed, 07 Sep 2016 00:00:00 EDT

(University of Sydney) With one in two Australian children reported to have tooth decay in their permanent teeth by age 12, researchers from the University of Sydney believe they have identified some nanoscale elements that govern the behavior of our teeth. Material and structures engineers worked with dentists and bioengineers to map the exact composition and structure of tooth enamel at the atomic scale.

Atomic scale pipes available on demand and by design

Wed, 07 Sep 2016 00:00:00 EDT

(University of Manchester) University of Manchester researchers have discovered how to create the smallest ever water and gas pipes that are only one atom in size.

NREL discovery creates future opportunity in quantum computing

Tue, 06 Sep 2016 00:00:00 EDT

(DOE/National Renewable Energy Laboratory) Scientists at the Energy Department's National Renewable Energy Laboratory (NREL) discovered a use for perovskites that runs counter to the intended usage of the hybrid organic-inorganic material.

Researchers design solids that control heat with spinning superatoms

Tue, 06 Sep 2016 00:00:00 EDT

(College of Engineering, Carnegie Mellon University) Superatom crystals are periodic arrangements of C60 fullerenes and similarly sized inorganic molecular clusters. There are two nearly identical formations, one with rotating (i.e. orientationally disordered) C60s and low conductivity, and one with fixed C60s and high thermal conductivity. Superatom crystals represent a new class of materials with potential for applications in sustainable energy generation, energy storage, and nanoelectronics. Additional research could lead to controlling rotational disorder in new kinds of thermal switches and transistors.

Rice University-led team morphs nanotubes into tougher carbon for spacecraft, satellites

Tue, 06 Sep 2016 00:00:00 EDT

(Rice University) Rice University researchers turn nanotubes into nanodiamonds and other forms of carbon by smashing them into a target at hypervelocity. The results will help in the design of light, strong materials for aerospace applications.

Nanotechnology supports treatment of malignant melanoma

Tue, 06 Sep 2016 00:00:00 EDT

(University of Basel) Changes in the genetic make-up of tissue samples can be detected quickly and easily using a new method based on nanotechnology. This report researchers from the Swiss Nanoscience Institute, the University of Basel and the University Hospital Basel in first clinical tests with genetic mutations in patients with malignant melanoma. The journal Nano Letters has published the study.

Location matters in the self-assembly of nanoclusters

Tue, 06 Sep 2016 00:00:00 EDT

(American Institute of Physics) Scientists at Iowa State University have developed a new formulation that helps to explain the self-assembly of atoms into nanoclusters and to advance the scientific understanding of related nanotechnologies. Their research offers a theoretical framework to explain the relationship between the distribution of 'capture zones,' the regions that surround the nanoscale 'islands' formed by deposition on surfaces, and the underlying nucleation or formation process.

Super-resolution microscope builds 3-D images by mapping negative space

Tue, 06 Sep 2016 00:00:00 EDT

(University of Texas at Austin) Scientists have demonstrated a method for making 3-D images of structures in biological material under natural conditions at a much higher resolution than other existing methods. The method may help shed light on how cells communicate with one another and provide important insights for engineers working to develop artificial organs such as skin or heart tissue.

Harvard conference Sept. 10: Emerging technologies and global development

Mon, 05 Sep 2016 00:00:00 EDT

(Terry Collins Assoc) This conference aims to examine emerging technologies that could address global grand challenges, review their disruptive characteristics, identify potential sources of social concern, and outline business models and public policies on how to address those concerns. The conference builds on the findings of the newly published book, Innovation and Its Enemies: Why People Resist New Technologies (Oxford University Press, 2016).

For first time, carbon nanotube transistors outperform silicon

Fri, 02 Sep 2016 00:00:00 EDT

(University of Wisconsin-Madison) For decades, scientists have tried to harness the unique properties of carbon nanotubes to create high-performance electronics that are faster or consume less power. Now, for the first time, University of Wisconsin-Madison materials engineers have created carbon nanotube transistors that outperform state-of-the-art silicon transistors.

'Materials that compute' advances as Pitt engineers demonstrate pattern recognition

Fri, 02 Sep 2016 00:00:00 EDT

(University of Pittsburgh) The potential to develop 'materials that compute' has taken another leap at the University of Pittsburgh's Swanson School of Engineering, where researchers for the first time have demonstrated that the material can be designed to recognize simple patterns. This responsive, hybrid material, powered by its own chemical reactions, could one day be integrated into clothing and used to monitor the human body, or developed as a skin for 'squishy' robots.

3-D graphene has promise for bio applications

Fri, 02 Sep 2016 00:00:00 EDT

(Rice University) Graphene oxide flakes can be welded together into solid materials that may be suitable for bone implants, according to an international study led by Rice University.

Pitt chemical engineer receives NSF grant to study self-assembly of large-scale particles

Fri, 02 Sep 2016 00:00:00 EDT

(University of Pittsburgh) 'Fabricating the self-assembly of larger particles had been done a handful of times before we started trying it, but we've pushed the possibilities a lot further,' said McCarthy. 'Other researchers noticed the phenomenon occurring empirically, but we are trying to formalize it. We are working with particles that are at least 100 times bigger than anything that has been done before.'

Memory for future wearable electronics

Fri, 02 Sep 2016 00:00:00 EDT

(Institute for Basic Science) Stretchable, flexible, reliable memory device inspired by the brain.

Iowa State engineers treat printed graphene with lasers to enable paper electronics

Thu, 01 Sep 2016 00:00:00 EDT

(Iowa State University) Iowa State engineers have led development of a laser-treatment process that allows them to use printed graphene for electric circuits and electrodes -- even on paper and other fragile surfaces. The technology could lead to many real-world, low-cost applications for printed graphene electronics, including sensors, fuel cells and medical devices. The engineers describe their process in the journal Nanoscale.

UCF team tricks solid into acting as liquid

Thu, 01 Sep 2016 00:00:00 EDT

(University of Central Florida) Two scientists at the University of Central Florida have discovered how to get a solid material to act like a liquid without actually turning it into liquid, potentially opening a new world of possibilities for the electronic, optics and computing industries.

Mathematical nanotoxicoproteomics: Quantitative characterization of effects of multi-walled carbon nanotubes

Thu, 01 Sep 2016 00:00:00 EDT

(Bentham Science Publishers) In this paper, mathematical models were developed to characterize proteomics patterns of Caco-2/HT29-MTX cells exposed for three and twenty four hours to two kinds of important nanoparticles: multi-walled carbon nanotubes and TiO2 nanobelts.

Rutgers engineers use microwaves to produce high-quality graphene

Thu, 01 Sep 2016 00:00:00 EDT

(Rutgers University) Rutgers University engineers have found a simple method for producing high-quality graphene that can be used in next-generation electronic and energy devices: bake the compound in a microwave oven. The discovery is documented in a study published online today in the journal Science.

Customer publishes performance evaluation of first commercial mini-synchrotron

Wed, 31 Aug 2016 00:00:00 EDT

(Lyncean Technologies, Inc.) A team from the Technical University Munich (TUM) recently reported an independent analysis of the operation of the Munich Compact Light Source (MuCLS) in the Sept. 2016 issue of the Journal of Synchrotron Radiation. The MuCLS is the first commercial installation of a miniature synchrotron developed and manufactured by Lyncean Technologies, Inc. of Fremont, CA. It is designed to fill the gap in X-ray performance between conventional X-ray sources and stadium-sized synchrotron radiation X-ray facilities.

Plastic crystals could improve fabrication of memory devices

Tue, 30 Aug 2016 00:00:00 EDT

(Hokkaido University) A novel 'plastic crystal' developed by Hokkaido University researchers has switching properties suitable for memory-related applications.