Popular Catalyst News and Current Events | Page 24

Popular Catalyst News and Current Events, Catalyst News Articles.
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Now, self-healing materials can mimic human skin, healing again and again
The next generation of self-healing materials, invented by researchers at the University of Illinois, mimics human skin by healing itself time after time. The new materials rely upon embedded, three-dimensional microvascular networks that emulate biological circulatory systems. (2007-06-11)

Comet probes reveal evidence of origin of life, scientists claim
New evidence about the interiors of comets suggests it is overwhelmingly likely that life began in space, according to a new paper by Cardiff University scientists. (2007-08-14)

Steel-strength plastics -- and green, too!
Chemists have been working hard to develop a more biodegradable plastic to reduce pollution and protect the environment. Now a Tel Aviv University researcher is taking a different approach -- creating plastics as strong and durable as steel. (2012-06-07)

'Wrapping' Gleevec fights drug-resistant cancer
A study in this week's Cancer Research finds the anti-cancer drug Gleevec is far more effective against a drug-resistant strain of cancer when it wraps the target with a molecular bandage that seals out water from a critical area. The wrapping version of the drug -- known as WBZ-7 -- was created, produced and tested by three research teams from Rice University and the University of Texas M. D. Anderson Cancer Center in Houston. (2007-05-01)

Peering into the never-before-seen
Scientists can now peer into the inner workings of catalyst nanoparticles 3,000 times smaller than a human hair within nanoseconds. (2010-06-16)

Iowa State, Ames Lab researcher hunts for green catalysts
L. Keith Woo of Iowa State University and the Ames Laboratory is looking for cleaner, greener and cheaper catalysts. Woo and his research group are turning to biology for some ideas. And they're developing high-throughput approaches to quickly test a reaction using up to a hundred trillion different catalysts. (2011-03-07)

Gasification goes green
Rice University engineers have created a light-powered nanoparticle that could shrink the carbon footprint of syngas producers. (2020-01-10)

Tandem catalytic system efficiently converts carbon dioxide to methanol
Boston College chemists have used a tandem catalytic system to efficiently convert carbon dioxide to methanol. By encapsulating multiple catalysts involved in the tandem process in nanoporous materials called metal-organic frameworks, the team reports achieving superior performance by eliminating catalyst incompatibility. The method could be applied to other tandem catalytic processes, allowing more efficient access to alternative fuels, commodity chemicals, and valuable pharmaceutical products. (2020-07-24)

Video shows nanotube spins as it grows
New video showing the atom-by-atom growth of carbon nanotubes reveals they spin stepwise as they grow, much like a ticking clock. Published online this month by researchers at France's Université Lyon1/CNRS and Houston's Rice University, the research provides the first experimental evidence of how individual atoms are added to growing nanotubes. (2009-07-27)

Researchers gain insight into 100-year-old Haber-Bosch process
New research has resulted in a greater understanding of how the Haber-Bosch process converts nitrogen to ammonia. (2011-11-11)

Investigation of core-shell nanocatalyst AU@CDs for ammonia synthesis
In a paper published in NANO, a team of researchers from Xinjiang University, China have prepared Au@CDs photocatalyst with core-shell structure by combining coal-based carbon dots (CDs) with gold sol. This has far-reaching significance for the further development of coal resources to prepare high-performance materials. (2020-08-24)

Funding for teacher classroom management study
Disruptive behavior in the classroom has an adverse effect on both teachers and pupils. It is a common source of stress for teachers and often a catalyst for leaving the profession. For pupils it may affect mental health, academic attainment and adversely impact on all children in a classroom. (2012-06-24)

Environmentally friendly chemistry important for manufacturing pharmaceuticals
Limiting the quantity of catalysts - substances that trigger a chemical reaction - used in the manufacture of pharmaceuticals is important, and research from the University of Gothenburg, Sweden, has now demonstrated that small quantities of copper work well in this respect. (2012-11-08)

Better bubbling slurry
Dutch-sponsored researcher Keshav Ruthiya has made considerable improvements to a so-called slurry bubble column. The chemical industry uses these bubble columns for reactions between gases and liquids, for example, for organic wastewater purification or the synthesis of hydrocarbons. Various companies are interested in using Ruthiya's results in commercial reactors. (2005-04-14)

Making alternative fuel becomes more efficient with dual-catalyst system: UNC-Rutgers study
As the United States' oil reserves dwindle, some say the nation will have to rely on synthetic petroleum fuel made from its large stores of coal. A two-step chemical process augments a method of making cleaner-burning alternative fuel from coal and other carbon sources by transforming some of its waste products into diesel fuel, researchers from the University of North Carolina at Chapel Hill and Rutgers, the State University of New Jersey, report. (2006-04-13)

Researchers produced nitrogen doped bimodal cellular structure activated carbon
New monolithic nitrogen-containing microporous cellular activated carbon was successfully prepared from phenol-urea-formaldehyde (PUF) organic foam for CO2 and H2 adsorption. The macroporosity corresponded to the connected network of cells with diameters ranging from 100 to 600 μm, and the pinholes in the cell walls had diameters ranging from 1 to 2 μm. The micro/mesoporosity is located at the inner surface of the cells. (2016-12-29)

Catalyst Makes Plastic Polymers From CO2
Geoffrey Coates, assistant professor of chemistry and chemical biology at Cornell, mimics photosynthesis using a zinc-based catalyst to react CO2 and epoxide molecules to produce a class of materials called polycarbonates that would be either biodegradable or able to react with water to convert into nontoxic materials, and would have properties such as impact resistance. (1999-03-28)

Engineers image nanostructure of a solid acid catalyst and boost its catalytic activity
Aberration-corrected scanning transmission electron microscopy and Raman, infrared and UV-visible spectroscopies pinpoint sub-nanometer clusters of tungsten oxide mixed with tiny amounts of zirconium as the active catalytic species in the catalyst. In lab tests, the clusters increased the activity of a poor catalyst by more than 100 times. Solid acid catalysts are more environmentally friendly than liquid catalysts, which evaporate, spill and cause corrosion. Tungstated zirconia's uses include the improvement of gasoline's octane content. (2009-11-09)

New clues about a hydrogen fuel catalyst
To use hydrogen as a clean energy source, some engineers want to pack it into a larger molecule, rather than compressing the gas into a tank. But getting hydrogen out of a molecule requires a catalyst. Now, researchers reveal new details about one such rhodium-based catalyst Aug. 5 issue in the Journal of the American Chemical Society. The results are a step toward designing catalysts for use in hydrogen energy applications such as fuel cells. (2009-08-05)

Device eliminates 93 percent of lawnmower pollutant
A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for a device they created that curbs harmful pollutant emitted from lawnmowers by 93 percent. (2014-07-07)

Breakthrough harnesses light for controlled chemical reaction
One catalyst supplies electrons, other one controls position of raw material. Reactions are powered by visible light, not UV. Technique could allow creation of novel molecules for pharmaceuticals. (2014-04-24)

Speeding up the hydrogen production by the magic topological surface states
The hydrogen economy is considered to be one of the best options for providing renewable energy and, thereby, contributing to mitigating today's environmental challenges. The energy density of hydrogen is between 120-142 MJ/kg, which is much greater than that of chemical, fossil, and biofuels. More importantly, water is the only byproduct when hydrogen is used to produce electricity. (2019-08-26)

Working parents concerned about after-school care, companies losing billions in job productivity
Millions of working fathers and mothers are less productive at work due to concerns about what their children are doing in the after-school hours, according to a new study released today by Catalyst, the leading nonprofit research and advisory organization working to build inclusive environments and expand opportunities for women at work. The report, entitled (2006-12-05)

Amberlyst-15 can act as a catalyst for the acylation of phenols and alcohols
Mumbai Researchers offer a novel and highly sustainable method for the acylation of phenols and alcohols. They found that Amberlyst-15 is an active catalyst for the acylation of phenols and alcohols by means of acetic anhydride as an acylating agent at room temperature under heterogeneous conditions. The scientists confirmed that applications of this catalyst allow mild and highly selective transformations and synthesis in a facile and environmentally friendly manner. (2013-04-04)

New fuel cell catalyst uses 2 metals
Material scientists at Washington University in St. Louis have developed a technique for a bimetallic fuel cell catalyst that is efficient, robust and two to five times more effective than commercial catalysts. The novel technique eventually will enable a cost effective fuel cell technology, which has been waiting in the wings for decades, and should give a boost for cleaner use of fuels worldwide. (2009-05-14)

Researchers shed more light on conversion of water to hydrogen gas
Chemists are several steps closer to teasing hydrogen fuel from water using man-made molecular devices that collect electrons and use them to split hydrogen from oxygen. (2005-08-28)

Joint European strategy for industrial biotechnology
Sixteen research organisations from twelve European countries have joined forces in the area of industrial biotechnology. The recent award made by the European Union to the network ERA Industrial Biotechnology (ERA-IB), is an essential contribution to improving Europe's competitive position. ERA-IB was launched in Brussels on May 30 and 31, 2006. (2006-06-09)

Copper foam turns carbon dioxide into useful chemicals
Scientists at Brown University's Center for Capture and Conversion of Carbon Dioxide have discovered that copper foam could provide a new way of converting excess carbon dioxide into useful industrial chemicals. (2014-08-12)

Catalyzing new uses for diesel by-products
A new catalytic process discovered at Cardiff University could unleash a range of useful new by-products from diesel fuel production. (2012-01-26)

U-M student research may help astronauts burn fuel on Mars
One of the big problems with space travel is that one cannot over pack. (2004-04-14)

Waste to watts: Improving microbial fuel cells
Some of the planet's tiniest inhabitants may help address two of society's biggest environmental challenges: How to deal with the vast quantities of organic waste produced and where to find clean, renewable energy. Anode respiring bacteria generate useful energy in a device known as a microbial fuel cell. (2012-07-10)

For platinum catalysts, smaller may be better
Berkeley Lab researchers studied platinum catalysts at the atomic scale under actual industrial reaction conditions and discovered why nanoparticle clusters of platinum potentially can out-perform the single crystals of platinum now used in fuel cells and catalytic converters. (2010-06-28)

Crocs and fish the key to human evolution
Almost 2 million years ago, early humans began eating food such as crocodiles, turtles and fish -- a diet that could have played an important role in the evolution of human brains and our footsteps out of Africa, according to new research. (2010-06-16)

ASU researcher gets grant to explore new methods of hydrogen generation
A group of ASU researchers at the Biodesign Institute received a $1.5 million grant from the US Department of Energy to explore innovative methods for generating hydrogen. (2005-01-20)

Livestock and poultry farming should be the future focus of agricultural ammonia emissions control
Livestock and poultry farming is the largest contributor to agricultural ammonia emissions and should be the future focus of agricultural ammonia emissions control. (2020-04-13)

New catalyst paves way for cheap, renewable hydrogen
Scientists have developed a hydrogen-making catalyst that uses cheaper materials and yields fewer contaminants than do current processes, while extracting the element from common renewable plant sources. Further, the new catalyst lies at the heart of a chemical process the authors say is a significant advance in producing alternate fuels from domestic sources. (2003-06-26)

Advancing lithium-air batteries with development of novel catalyst
Lithium-air batteries are viewed by many as a potential next-generation technology in energy storage. A new study published in the Journal of The Electrochemical Society could help advance Li-air technology at the fundamental level. (2016-10-03)

NYU chemists discover twisted molecules that pick their targets
New York University chemists have discovered how to make molecules with a twist -- the molecules fold in to twisted helical shapes that can accelerate selected chemical reactions. The research, reported in the latest issue of the Proceedings of the National Academy of Sciences, could yield valuable methods for making pharmaceuticals and other chemicals that require precise assembly of complex structures. (2009-08-10)

Chemists join forces to develop cheap, complementary method for classic reaction
Collaboration has enabled the development of a powerful and cost-effective approach to C-N coupling reactions, one of the most heavily used transformations in modern drug development. (2016-06-23)

A paperweight for platinum
A new combination of nanoparticles and graphene results in a more durable catalytic material for fuel cells, according to work published today online at the Journal of the American Chemical Society. The catalytic material is not only hardier but more chemically active as well. The researchers are confident the results will help improve fuel cell design. (2011-02-08)

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