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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)

A boost for hydrogen fuel cell research
The development of hydrogen fuel cells for vehicles, the ultimate green dream in transportation energy, is another step closer. Researchers with the US Department of Energy's Lawrence Berkeley National Laboratory and Argonne National Laboratory have identified a new variation of a familiar platinum-nickel alloy that is far and away the most active oxygen-reducing catalyst ever reported. (2007-01-25)

First analysis of dental therapists finds increase in access for children, low-income adults
A new report assessing the economic viability of services provided by practicing midlevel dental providers in the US shows that they are expanding preventive dental care to people who need it most: children and those who can't afford care. At the same time, they are providing that care at a reduced cost to the dental practice. (2013-05-14)

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)

Small code change, big effect
Scientists at EMBL Heidelberg have developed a new method which enables researchers to label any protein of their choice with any of a wide variety of previously available compounds, in living cells, by introducing a single artificial amino acid. (2011-03-24)

Gold nanoparticles give an edge in recycling CO2
It's a 21st-century alchemist's dream: turning Earth's superabundance of carbon dioxide -- a greenhouse gas -- into fuel or useful industrial chemicals. Researchers from Brown University have shown gold nanoparticles can be tuned to selectively reduce CO2 into CO, an active carbon molecule that can be used to make alternative fuels and commodity chemicals. The key is maximizing the particles' long edges, which are the active sites for the reaction. (2013-10-24)

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)

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)

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)

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)

Argonne scientists discover new pathway for artificial photosynthesis
Currently, the most efficient methods that we have of making fuel -- principally hydrogen -- from sunlight and water involve rare and expensive metal catalysts, like platinum. In a new study, researchers at the US Department of Energy's Argonne National Laboratory have found a new, more efficient way to link a less expensive synthetic cobalt-containing catalyst to an organic light-sensitive molecule, called a chromophore. (2014-01-14)

Pasadena researcher receives national award
Chemist John Bercaw of Pasadena, Fla., will be honored on August 22 by the world's largest scientific society for developing better ways to make plastics and other polymers. He will receive the 2000 Arthur C. Cope Scholar Award from the American Chemical Society at its 220th national meeting in Washington, DC. (2000-08-14)

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)

Bionic leaf turns sunlight into liquid fuel
A cross-disciplinary team at Harvard University has created a system that uses solar energy to split water molecules and hydrogen-eating bacteria to produce liquid fuels. The system can convert solar energy to biomass with 10 percent efficiency, far above the 1 percent seen in the fastest-growing plants. (2016-06-02)

Thanks to machine learning, the future of catalyst research is now!
To date, research in the field of combinatorial catalysts has relied on serendipitous discoveries of catalyst combinations. Now, scientists from Japan have streamlined a protocol that combines random sampling, high-throughput experimentation, and data science to identify synergistic combinations of catalysts. With this breakthrough, the researchers hope to remove the limits placed on research by relying on chance discoveries and have their new protocol used more often in catalyst informatics. (2021-02-03)

Eco-friendly versatile nanocapsules developed
The Institute for Basic Science has announced that the Center for Self-assembly and Complexity have succeeded in developing a new technology that introduces metal nanoparticles on the surface of polymer nanocapsules made of cucurbit[6]uril. (2014-06-26)

New chemistry makes strong bonds weak
Researchers at Princeton have developed a new chemical reaction that breaks the strongest bond in a molecule instead of the weakest, completely reversing the norm for reactions in which bonds are evenly split to form reactive intermediates. Published on July 13 in the Journal of the American Chemical Society, the non-conventional reaction is a proof of concept that will allow chemists to access compounds that are normally off-limits to this pathway. (2015-07-28)

Degrading BPA with visible light and a new hybrid photocatalyst
BPA's popularity soared after the 1950s, but evidence suggests that even low doses might be harmful to human and environmental health. Many manufacturers are now phasing out BPA, but it doesn't break down easily, making safe disposal difficult. Now, researchers have developed a hybrid photocatalyst that can break down BPA using visible light. Their findings could eventually be used to treat water supplies and to more safely dispose of BPA and materials like it. (2015-07-21)

Progress toward artificial photosynthesis?
A team headed by M. Antonietti at the Max Planck Institute for Colloids and Interfaces has taken an important step toward artificial photosynthesis. As described in the journal Angewandte Chemie, they have activated CO2 for use in a chemical reaction by using graphitic carbon nitride as a catalyst. (2007-03-12)

Newly found DNA catalysts cleave DNA with water molecule
Better tools for manipulating DNA in the laboratory may soon be possible with newly discovered deoxyribozymes (catalytic DNA) capable of cleaving single-stranded DNA, researchers at the University of Illinois say. (2009-08-16)

Scientists propose the kind of chemistry that led to life
Before life emerged on earth, either a primitive kind of metabolism or an RNA-like duplicating machinery must have set the stage -- so experts believe. But what preceded these pre-life steps? (2007-06-08)

How size matters for catalysts
University of Utah chemists demonstrated the first conclusive link between the size of catalyst particles on a solid surface, their electronic properties and their ability to speed chemical reactions. The study is a step toward the goal of designing cheaper, more efficient catalysts to increase energy production, reduce Earth-warming gases and manufacture a wide variety of goods from medicines to gasoline. (2009-11-05)

The hidden side of sulfur
The active element in the molecule that initiates transformations in synthetic organic chemistry, known as the catalyst, is often hydrogen. However, researcher from UNIGE has found that a sulfur atom can not only become an extremely effective catalyst but can also operate with greater precision. This discovery has the potential to revolutionize the world of synthetic organic chemistry. It paves the way for the creation of molecules that can be used in our daily life. (2016-12-14)

New method for producing clean hydrogen
Duke University engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil fuels and their environmental implications. (2013-05-21)

UW-Madison chemists devise better way to prepare workhorse molecules
Writing in the current online issue (June 9) of the journal Science, a team led by University of Wisconsin-Madison chemistry Professor Shannon Stahl reports a new, environmentally friendly way to make substituted aromatic molecules that can be customized for different industrial needs. (2011-06-09)

Modified Catalyst Simplifies Manufacture Of Myriad Goods
By tweaking the structure of a class of increasingly popular chemical catalysts known as metallocenes, chemists at the University of Rochester have uncovered a much simpler way to make billions of tons of the material that forms the basis of a wide range of consumer goods, including soaps, detergents, oils, and plastics. (1997-10-01)

Bullish chemical could repel yellow fever mosquitoes
A naturally occurring chemical that may repel yellow fever mosquitoes can now be made in the laboratory, Indiana University Bloomington scientists report. (2004-09-22)

Hydrogen fuel from sunlight
Berkeley Lab researchers at the Joint Center for Artificial Photosynthesis have developed a way to interface a molecular hydrogen-producing catalyst with a visible light absorbing semiconductor. With this approach, hydrogen fuel can be produced off a photocathode using sunlight. (2013-08-29)

UNC researchers harness sun's energy during day for use at night
Tom Meyer at the University of North Carolina at Chapel Hill has overcome one of the greatest challenges in solar energy: storing the energy from the sun to use at night. (2014-01-14)

Better catalysts, made-to-order
In a study appearing in the journal Science, University of Utah chemists captured enough data on the crucial steps in a reaction to accurately predict the structures of the most efficient catalysts, those that would speed the process with the least amount of unwanted byproducts. (2015-02-12)

Novel nanowires boost fuel cell efficiency
Engineers at the Yale School of Engineering & Applied Science have created a new fuel cell catalyst system using nanowires made of a novel material that boosts long-term performance by 2.4 times compared to today's technology. The nanowires are made of a metal alloy known as a bulk metallic glass and have high surface areas, thereby exposing more of the catalyst. They also maintain their activity longer than traditional fuel cell catalyst systems. (2011-03-31)

A POX on syn
A way to convert natural gas into raw materials for the chemical industry and generate power as a by-product could lead to more environmental benign manufacturing processes. (2007-09-11)

Cleaning with catalysts
On repeated occasions we have read that volatile organic compounds are danaging for the atmosphere and to our health. This is why a group of researchers at the Leioa campus of the University of the Basque Country have put forward a process for (2005-10-17)

First metallic nanoparticles resistant to extreme heat
A University of Pittsburgh team overcame a major hurdle plaguing the development of nanomaterials such as those that could lead to more efficient catalysts used to produce hydrogen and render car exhaust less toxic. The researchers reported Nov. 29 in Nature Materials the first demonstration of high-temperature stability in metallic nanoparticles, the vaunted next-generation materials hampered by a vulnerability to extreme heat. (2009-11-30)

Non-precious metal catalysts outperforming Pt-based one by UNIST research team
Researchers from Ulsan National Institute of Science and Technology, Korea Institute of Energy Research, and Brookhaven National Laboratory, have discovered a new family of non-precious metal catalysts. (2013-09-23)

New catalyst paves way for bio-based plastics, chemicals
Washington State University researchers have developed a catalyst that easily converts bio-based ethanol to a widely used industrial chemical, paving the way for more environmentally friendly, bio-based plastics and products. (2015-12-11)

Making a greener lawnmower
Inspired by two of their fathers, who work cutting lawns and driving a truck, a team of University of California, Riverside Bourns College of Engineering students have created a device that attaches to a lawnmower and significantly cuts its harmful emissions. (2013-05-13)

Catalytic protocells get zingy
Artificial cells capable of oxygen gas production and chemical signalling have been prepared using a combination of synthetic and biological catalysts through an international collaboration between the University of Bristol and the University of Padua in Italy. (2020-01-08)

Making nail polish while powering fuel cells
Hydrogen is widely regarded as a promising and clean alternative energy source. The traditional source of hydrogen for fuel cell use is water, which is split into H2 and oxygen. But O2 is a low-value product. So, this week in ACS Central Science, researchers report a new approach and a new catalyst that can produce not just hydrogen but also valuable chemicals, including the most common ingredient in nail polish. (2016-08-03)

Molecular fuel cell catalysts hold promise for efficient energy storage
In the quest for better, less expensive ways to store and use energy, platinum and other precious metals play an important role. They serve as catalysts to propel the most efficient fuel cells, but they are costly and rare. Now, a metal-free alternative catalyst for fuel cells may be at hand. (2015-07-15)

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