Sentences with phrase «nanomaterials at»

«For anyone working with nanomaterials at dimensions 5 nanometers or less, our well - characterized nanoparticles can ensure confidence that their measurements are accurate,» says NIST research chemist Vytas Reipa, leader of the team that developed and qualified RM 8027.

The House Science and Technology Committee introduced legislation today that highlights the growing attention on Capitol Hill to the need to strengthen federal efforts to learn more about the potential environmental, health and safety (EHS) risks posed by engineered nanomaterials.Introduction of the bill comes only months after J. Clarence (Terry) Davies authored a report that makes a series of recommendations for improving federal risk research and oversight of engineered nanomaterials at EPA, the FDA and the CPSC.

During the 507th Brookhaven Lecture, Dong Su explains how he and his colleagues are using advanced tools at the Center for Functional Nanomaterials at Brookhaven Lab to study materials and determine how different atomic - level structures can improve performance for rechargeable batteries.

The interdisciplinary project team is made up of eco - and human toxicologists, physicists, chemists and biologists, and they have just managed to take their first major step forward in achieving their goal: they have developed a method for testing a variety of environmental samples such as river water, animal tissue, or human urine and blood that can detect nanomaterials at a concentration level of nanogram per liter (ppb — parts per billion).

Not exact matches

At Battelle, Koper is studying the use of nanomaterials in membranes for water desalination and treatment; supercapacitors (energy - storage devices that provide higher power densities than batteries); and bio-based (rather than petroleum - based) additives used for hydraulic fracturing, or fracking, to retrieve natural gas.

At the crest of this wave is Olga Koper, research leader at Columbus, Ohio's nonprofit Battelle Memorial Institute since May 2011 and holder of more than 30 U.S. and international patents for composition and applications of nanomaterialAt the crest of this wave is Olga Koper, research leader at Columbus, Ohio's nonprofit Battelle Memorial Institute since May 2011 and holder of more than 30 U.S. and international patents for composition and applications of nanomaterialat Columbus, Ohio's nonprofit Battelle Memorial Institute since May 2011 and holder of more than 30 U.S. and international patents for composition and applications of nanomaterials.

The structures of some nanomaterials bend and change shape when given an electrical jolt, so that a material's properties can be altered at the flip of a switch — it can change color, for example, or become transparent.

For several decades, nanomaterials — matter that is so small it is measured in nanometers (one nanometer = one - billionth of a meter) and can be manipulated at the atomic scale — have outperformed conventional materials in strength, conductivity and other key attributes.

A Swansea University nanomaterials expert has been looking at how small gold particles survive when subjected to very high temperatures.

Researchers use the large - scale facilities at DESY to explore the microcosm in all its variety — ranging from the interaction of tiny elementary particles to the behaviour of innovative nanomaterials and the vital processes that take place between biomolecules to the great mysteries of the universe.

Webster has been studying the possibility of growing tissue around nanomaterials since 1998 when he was a graduate student at Rensselaer Polytechnic Institute in Troy, N.Y. «Nanoscale materials are increasing growth in all of these tissue types,» he says.

A research group led by Chengsi Pan, Postdoctoral Researcher, and Tsuyoshi Takata, NIMS Special Researcher, at the Global Research Center for Environment and Energy Based on Nanomaterials Science (GREEN; Director - General: Kohei Uosaki) of the National Institute for Materials Science (NIMS; President: Sukekatsu Ushioda), and Kazunari Domen, a professor of the Department of Chemical System Engineering, School of Engineering, The University of Tokyo (President: Junichi Hamada) newly developed a water - splitting photocatalyst that is operable over a wider range of the visible light spectrum than before.

«We discovered surprising and never - before - seen evolution and degradation patterns in two key battery materials,» said Huolin Xin, a materials scientist at Brookhaven Lab's Center for Functional Nanomaterials (CFN) and coauthor on both studies.

To gain this new understanding into the behavior of matter at the nanoscale, García - Garibay's research group designed three rotating nanomaterials known as MOFs, or metal - organic frameworks, which they call UCLA - R1, UCLA - R2 and UCLA - R3 (the «r» stands for rotor).

For example, «we're taking off - the - shelf [medical devices], such as hip implants, which typically have a failure rate after 20 years, and putting nanomaterials on the surface,» explains Tom Webster, chair and professor of chemical engineering at Northeastern University and president - elect of the Society for Biomaterials.

«A lot of countries are focused on physical science applications to biosystems,» says Saion Sinha, a professor of physics and electrical engineering at the University of New Haven in Connecticut and a researcher in nanomaterials.

To combat this, Paul Sermon, a nanomaterials engineer at Brunel University in London, is leading a government - funded team to develop forensic coatings for brass bullet cartridges.

At the present time, nanomaterials are studied to be employed in many different fields, including the nuclear one.

Nanomaterials have unique electronic and chemical properties compared to identically composed materials at larger, conventional scales.

«The innovation... represents a new kind of renewable energy source,» says Liming Dai, a nanomaterials engineer at Case Western Reserve University in Cleveland, Ohio, who was not involved in the research.

Kazuaki Sakoda of Japans Nanomaterials Laboratory at the National Institute for Materials Science notes that the «work clearly demonstrates that even Plancks law — the starting point of the era of quantum mechanics [used to predict these interactions]-- can be modified.»

«Probably the neatest thing about this is that so much of nanomedicine has been about exploiting the magnetic and optical properties of nanomaterials, and we have great examples of that at Rice,» Colvin said.

The Deutsche Forschungsgemeinschaft, the most important national research funder in Germany, and the Degussa - Hüls AG, a global chemistry corporation based at Marl, have recently jointly set up the Nanomaterials Priority Program involving seven German universities (see Next Wave report).

Such a tiered approach, they note, is already at the heart of the European Union's REACH program for testing toxic chemicals, which could serve as a model for nanomaterials toxicity testing in the United States.

«As such, we have developed a process which — unlike other etching processes — does not damage the metals, and does not affect their stability,» emphasised Professor Rainer Adelung, head of the «Functional Nanomaterials» team at the Institute for Materials Science.

«Aptamers are a potentially powerful tool for sensors because they are so versatile and selective,» said Natalie Plank, a researcher who studies nanomaterial device fabrication at the Victoria University of Wellington.

Purified single - walled carbon nanotubes dispersed in water promoted greater plant growth (center) than the nanomaterial - free control (left) after eight days of an experiment at Rice University.

Mark Hersam, a materials scientist at Northwestern University in Evanston, Illinois, is developing nanomaterials for a range of uses, such as solar cells and batteries, information technology and biotechnology.

«If we want to take advantage of the promising properties of nanoparticles, we need to be able to reliably incorporate them into larger - scale composite materials for real - world applications,» explained Brookhaven physicist Oleg Gang, who led the research at Brookhaven's Center for Functional Nanomaterials (CFN), a DOE Office of Science User Facility.

To get a closer look at the individual nickel atoms within the atomically thin graphene sheet, the scientists used scanning transmission electron microscopy (STEM) at Brookhaven's Center for Functional Nanomaterials (CFN), a DOE Office of Science User Facility.

Researchers at Oregon State University and Oregon Health & Science University have created new nanomaterials able to cross cell membranes, establishing a novel platform for the intracellular delivery of molecular drugs and other cargo.

In a find that could transform some of the world's most energy - intensive manufacturing processes, researchers at Rice University's Laboratory for Nanophotonics have unveiled a new method for uniting light - capturing photonic nanomaterials and high - efficiency metal catalysts.

According to Ovidio Rodríguez Peña, a researcher at the UPM, «the demonstration of this goal and the explanation of the processes that allow it to happen represent a paradigm shift that may open new avenues for the development of nanomaterials with improved properties and applications.»

Unfortunately, the best nanomaterials for harvesting light — gold, silver and aluminum — aren't very good catalysts, and the best catalysts — palladium, platinum and rhodium — are poor at capturing solar energy.

In a new contribution, Castellano and Cédric Mongin, a former postdoctoral researcher currently an assistant professor at École normale supérieure Paris - Saclay in France, have shown that not only does the transfer of triplet excitons extend excited state lifetimes, but also that some of the energy gets returned to the original nanomaterial in the process.

«When we looked at triplet exciton transfers from nanomaterials to molecules, we noticed that after the initial transfer the nanomaterial would still luminesce in a delayed fashion, which was unexpected,» says Castellano.

The work was the result of collaboration between Wong's biomedical engineering lab and the lab of Robert Hurt, professor of engineering at Brown, who focuses on carbon nanomaterials.

The nanotechnology team at Deakin's Institute for Frontier Materials has been working on boron nitride nanomaterials for two decades and has been internationally recognized for its work in the development of boron nitride nanotubes and nanosheets.

So our study looked at whether spider silk's properties could be «enhanced» by artificially incorporating various different nanomaterials into the silk's biological protein structures,» said Pugno.

The new nanomaterial is extremely moisture sensitive and at the same time chemically stable, transparent and easy to fabricate into nanosheets.

Liang Li at Shanghai Jiao Tong University in China and his team accidentally made a new ink while trying to synthesise a kind of glowing nanomaterial (Nature Communications, doi.org/cftp).

«In our lab at UMD we have been developing unique carbon nanomaterials and chemistry but it was not until Gardea approached us did we become aware of the intriguing challenge and opportunity for reconfigurable composite materials,» said Dr. YuHuang Wang, professor of the Department of Chemistry and Biochemistry at the University of Maryland.

«These arrays of nanoparticles with predictable geometric configurations are somewhat analogous to molecules made of atoms,» said Brookhaven physicist Oleg Gang, who led the project at the Lab's Center for Functional Nanomaterials, a DOE Office of Science User Facility.

Daniel Packwood, Junior Associate Professor at Kyoto University's Institute for Integrated Cell - Material Sciences (iCeMS), is improving methods for constructing tiny «nanomaterials» using a «bottom - up» approach called «molecular self - assembly.»

Kevin Yager, a scientist at Brookhaven Lab's Center for Functional Nanomaterials, discusses his research on materials spanning just billionths of a meter.

«We solved a 25 - year challenge in building diamond lattices in a rational way via self - assembly,» said Oleg Gang, a physicist who led this research at the Center for Functional Nanomaterials (CFN) at Brookhaven Lab in collaboration with scientists from Stony Brook University, Wesleyan University, and Nagoya University in Japan.

At the Army Research Laboratory, scientists are on the hunt for nanomaterials that could improve engine technology in a big way.

At Pacific Northwest National Laboratory, Abellan is obtaining and analyzing in situ electron microscopy images of nanomaterials in liquids.

A study published last week in the journal PNAS by researchers at the University of California, Santa Barbara, found that the presence of two nanomaterials used in exhaust gases and fertilizers stunt the growth of soybean plants.

The temperature at the focal point may reach 3,500 °C (6,330 °F), and this heat can be used to generate electricity, melt steel, make hydrogen fuel or nanomaterials.