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In quest for better lithium-air batteries, chemists boost carbon's stability
Chemists Dunwei Wang, of Boston College, and Wei Fan, of the University of Massachusetts Amherst, report nano-coatings increased the stability of a unique form of carbon, yielding performance gains focused on next generation lithium-air batteries. (2015-02-25)

New research turns sewage farms into power plants
Researchers at the University of Warwick's Warwick Process Technology Group have devised a process that turns wet waste from sewage farms and paper mills into a source of power. (2002-04-30)

Audubon Society honors Apelian for promoting sustainable stewardship of Earth's resources
Diran Apelian, Alcoa-Howmet Professor of Mechanical Engineering at Worcester Polytechnic Institute, has received the Audubon Society's Joan Hodges Queneau Palladium Medal. Administered by the American Association of Engineering Societies, the medal recognizes individuals who encourage cooperation between engineering professionals and environmentalists to create innovative solutions to environmental problems. Apelian was honored for articulating and promoting an inspiring vision of sustainable stewardship of the Earth's resources. (2015-04-28)

More flexible nanomaterials can make fuel cell cars cheaper
A new method of increasing the reactivity of ultrathin nanosheets, just a few atoms thick, can someday make fuel cells for hydrogen cars cheaper, finds a new Johns Hopkins study. A report of the findings, to be published Feb. 22 in Science, offers promise towards faster, cheaper production of electrical power using fuel cells, but also of bulk chemicals and materials such as hydrogen. (2019-02-21)

New technique enables magnetic patterns to be mapped in 3-D
An international collaboration has succeeded in using synchrotron light to detect and record the complex 3-D magnetization in wound magnetic layers. This technique could be important in the development of devices that are highly sensitive to magnetic fields, such as in medical diagnostics for example. Their results are published now in Nature Communications. (2015-07-07)

Diamonds are forever revealing new insights into Earth's development
Diamonds will take center stage this month in countless wedding ceremonies and other celebrations. In addition to their usual role as symbols of enduring love and fidelity, diamonds are now also helping geologists unravel clues about how the Earth's precious metal mineralization was formed and why diamonds and some of these metals are found in only a few places around the world. (2008-06-12)

Researchers develop eco-friendly, 4-in-1 catalyst
Performing multiple reactions in one shot reduces raw material needs and byproduct waste, a potential step toward a greener chemical industry. Brown University researchers have developed a nanocatalyst that can perform the four reactions needed to produce a compound potentially useful in a variety of pharmaceuticals. (2017-04-24)

Penn researchers help show new way to study and improve catalytic reactions
A study by researchers at the University of Pennsylvania, the University of Trieste and Brookhaven National Laboratory has shown a way to precisely design the active elements of a certain class of catalysts, showing which parameters are most critical for improving performance. This highly controlled process could be a new paradigm for fine-tuning catalysts used in everything from making new materials to environmental remediation. (2013-07-18)

Quantum material goes where none have gone before
Physicists have created a quantum material that can travel through a previously unexplored region marked by strange electronic properties. The journey by an alloy of cerium palladium and aluminum is described in a study published online this week in Nature Physics. (2019-09-30)

Elsevier sponsors launch ceremonies for the International Year of Chemistry
Elsevier, the world-leading publisher of scientific, technical and medical information products and solutions, is a proud co-sponsor of today's launch ceremonies for the International Year of Chemistry. (2011-01-27)

Titanium oxide-based hybrid materials promising for detoxifying dyes
Photoactive materials have become extremely popular in a large variety of applications in the fields of photocatalytic degradation of pollutants, water splitting, organic synthesis, photoreduction of carbon dioxide, and others. Elza Sultanova, co-author of the paper, is engaged in researching catalytic properties of photoactive materials based on macrocycles. (2020-06-08)

New chemical tools to modify and study biomolecules
EPFL chemists have developed new tools to modify sulfur-containing biomolecules, from simple amino acids to large protein complexes such as nucleosomes. These modifications then provide attachment points for two new functional groups, enabling studies of biochemical interactions on the single-molecule level. (2019-07-02)

A rapid extension of nanographene sheets from readily available hydrocarbons
The rapid and uniform construction of nanographene sheets has now become possible in a precisely controlled manner from a new catalytic system developed by a team of chemists at the Institute of Transformative Bio-Molecules, Nagoya University and the JST-ERATO Project led by Professor Kenichiro Itami. (2015-02-16)

National Professional Society to honor WPI professor for his work on inorganic membranes
The American Institute of Chemical Engineers will honor Yi Hua Ma, Frances B. Manning Professor of Chemical Engineering at WPI and director of the Center for Inorganic Membrane Studies, at its annual meeting on November 13 by holding two sessions on membrane-based separations in his honor. At the sessions, 12 invited presentations will build upon Ma's pioneering efforts in inorganic membranes and membrane reactors, and his fundamental studies of reactions in porous adsorbents and catalysts. (2006-11-09)

AAES honors outstanding engineers, recognizes top reporting at 26th annual awards ceremony
The American Association of Engineering Societies (AAES) recognizes the outstanding achievements of six U.S. engineers and a journalist on Monday, 9 May, at its 26th annual awards ceremony, in the Great Hall of the National Academy of Engineering in Washington, D.C. (2005-05-09)

Single atoms as catalysts
Only the outermost layer of a catalyst can play a role in chemical reactions. Therefore, in principle, it would be best not to use big chunks of catalytic material but to us it as nanoparticles, on an atomic scale. Surface physicists at the TU Wien have now achieved an important breakthrough; metal atoms can be placed on a metal oxide surface so that they show exactly the desired chemical behavior. (2019-09-02)

Gold nanoparticles create visible-light catalysis in nanowires
A scientist at the US Department of Energy's Argonne National Laboratory has created visible-light catalysis, using silver chloride nanowires decorated with gold nanoparticles, that may decompose organic molecules in polluted water. (2010-06-15)

New chemical instrument uses advanced missile technology
Purdue engineers, using heat-seeking missile technology, have developed an instrument that dramatically speeds up the search for new catalysts that could improve chemical manufacturing processes and automotive pollution-control systems. (2000-05-01)

Soluble elements from a new corner of the periodic table
The world of chemistry has a new first: in the journal Nature Chemistry, a research group at the University of Würzburg has presented the first soluble and stable molecules containing an s-block atom in its elemental state. Normally these elements are highly reactive. (2016-06-06)

The 22nd Nagoya Medal Award lectures
The Nagoya Medal Award is awarded every year to two organic chemists who have made significant original contributions to the field. This year's Gold Medal is awarded to Professor Stephen Buchwald of MIT (USA) and the Silver Medal is awarded to Professor Masaya Sawamura of Hokkaido University (Japan). (2017-01-06)

Viennese scientists develop promising new type of polymers
Organic polymers can nowadays be found in solar cells, sensors, LEDs and in many other technical applications. One specific type of polymers - known as S-PPVs - were previously regarded as promising in theory but were almost impossible to produce from a technical perspective. After many years of work, a team from TU Wien has now managed to identify a new chemical synthesis process for the production of S-PPVs. (2019-01-14)

NIST, UC Davis scientists float new approach to creating computer memory
A research team has created the exotic ring-shaped magnetic effects called skyrmions under ambient room conditions for the first time. The achievement brings skyrmions a step closer to use in real-world data storage as well as other novel magnetic and electronic technologies. (2015-10-08)

Maryland engineers open door to big new library of tiny nanoparticles
A research team has developed a new method for mixing metals generally known to be immiscible, or unmixable, at the nanoscale to create a new range of bimetallic materials. Such a library will be useful for studying the role of these bimetallic particles in various reaction scenarios such as the transformation of carbon dioxide to fuel and chemicals. (2020-04-24)

Efficiency of water electrolysis doubled
Researchers have boosted the efficiency of water electrolysis. They applied a layer of copper atoms in a conventional platinum electrode. Thus, reaction intermediates could desorb a bit more easily from the catalyst surface. The modified system generated twice the amount of hydrogen than a platinum electrode without a copper layer. The team from the Ruhr-Universität Bochum, Technical University in Munich and Universiteit Leiden published these results in the journal Nature Communications. (2016-03-10)

Ceramic foam cleans up exhaust gases
The introduction next year of the Euro 6 exhaust-gas standard means that catalytic converters will become more expensive, above all for diesel vehicles. Empa is working on a catalytic substrate made of ceramic foam which, because of its structure, is more efficient and therefore more economic. Not only that -- it also requires less noble metal coating. (2013-04-25)

Diamonds reveal deep source of platinum deposits
The world's richest source of platinum and related metals is an enigmatic geological structure in South Africa known as the Bushveld Complex. The source of its metallic riches has long been a matter of scientific dispute. Now researchers from the Carnegie Institution and the University of Cape Town have traced the origin of the unique ore deposits by using another of South Africa's treasures -- diamonds. (2008-06-11)

Graphdiyne based metal atomic catalyst for efficient ammonia synthesis
Researchers cleverly used the rich chemical bonds, highly conjugated large π bonds, super-large surface and pore structures of graphdiyne. The graphdiyne-based zero-valent palladium atom catalyst was efficiently and controllably designed and synthesized through a simple and efficient metal ion anchoring-electron transfer - self-reduction strategy. (2020-10-28)

Nanotechnology for water purification
Writing in the International Journal of Nuclear Desalination, researchers at the D.J. Sanghvi College of Engineering, in Mumbai, India, explain that there are several nanotechnology approaches to water purification currently being investigated and some already in use. (2010-07-28)

Citing Growth Patterns, Researchers Dispute Claims Of Nanofossils In Martian Meteorite
In a paper to be published in the July issue of Meteoritics and Planetary Science, researchers say crystals in a Martian meteorite were formed by epitaxial processes at temperatures that were likely too high for biological organisms to exist. Thus they dispute claims of other researchers that the meteorite contains (1998-07-06)

Magnetic switch gets closer to application
Scientists from Paris, Newcastle and Helmholtz-Zentrum Berlin have been able to switch on and off robust ferromagnetism close to room temperature by using low electric fields. Their results are inspiring for future applications in low-power spintronics, for instance, in fast, efficient and nonvolatile data storage technologies. (2014-01-27)

Researchers watch catalysts at work
Physicists at the University of Basel have succeeded in watching a silver catalyst at work for the first time with the aid of an atomic force microscope. The observations made during an Ullmann reaction have allowed the researchers to calculate the energy turnover and, potentially, to optimize the catalysis. The study, which was performed with experts from Japan and Iran, has been published in the scientific journal Small. (2016-08-17)

Discovery of a highly efficient catalyst eases way to hydrogen economy
'In the hydrogen evolution reaction, the whole game is coming up with inexpensive alternatives to platinum and the other noble metals,' says Song Jin, a professor of chemistry at the University of Wisconsin-Madison. In the online edition of Nature Materials that appears today, Jin's research team reports a hydrogen-making catalyst containing phosphorus and sulfur -- both common elements -- and cobalt, a metal that is 1,000 times cheaper than platinum. (2015-09-14)

Residents near Chinese e-waste site face greater cancer risk
Residents living near an e-waste recycling site in China face elevated risks of lung cancer. (2013-01-22)

Single atom alloy platinum-copper catalysts cut costs, boost green technology
A new generation of platinum-copper catalysts requiring very low concentrations of platinum in the form of individual atoms to cleanly and cheaply perform important chemical reactions is reported. The new catalysts could also facilitate broader adoption of environmentally friendly devices and processes. (2015-10-09)

Switching electron properties on and off individually
Electrons have different properties - and they all can be used to create order in solid objects. This order determines the properties of the material. Experiments at the TU Vienna show: It is possible to influence different characteristics of the electrons separately from each other. Closely interwoven quantum phenomena can thus be understood individually. (2019-08-22)

Rice lab's bright idea is pure gold
Rice University physicists discover that plasmonic metals can be prompted to produce ''hot carriers'' that in turn emit unexpectedly bright light in nanoscale gaps between electrodes. The phenomenon could be useful for photocatalysis, quantum optics and optoelectronics. (2020-06-29)

Are tougher electronic components on the way?
Researchers have made two durable compounds called noble metal nitrides -- one containing iridium and another containing platinum -- using extreme temperatures and pressures. Both possess a diamond-like hardness, and some compositions might have very low, nearly superconductive electrical resistance, making these substances potentially valuable to engineers. The strength and durability of these materials could make them viable replacements for the titanium nitrides currently valued by the semiconductor industry. (2006-03-08)

Paving the way toward novel strong, conductive materials
Bulk metallic glasses are metallic alloys whose neatly ordered atomic structure can be altered into an amorphous, non-crystalline structure -- giving metal the malleability of plastic, while maintaining its durability and conductivity. However, these alloys are complex, often containing five or six different elements, including expensive noble metals like gold or palladium and scientists have no clue which combinations of elements will form them. Now, researchers have developed a method to predict which alloys may form a bulk metallic glass. (2016-08-03)

Titania nanotube hydrogen sensors clean themselves
Self-cleaning hydrogen sensors may soon join the ranks of self-cleaning ovens, self-cleaning windows and self-cleaning public toilets, according to Penn State researchers. (2004-03-24)

UD prof helps discover new chemical method important to drug design, agrichemicals
University of Delaware scientist Donald Watson is part of a research team that has discovered an easier method for incorporating fluorine into organic molecules, giving chemists an important new tool in developing materials ranging from new medicines to agricultural chemicals. (2010-06-24)

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