73 Current news about the topic catalysts

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Researchers Watch Catalysts at Work

18-Aug-2016

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 ...

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Microscopy captures real-time view of evolving fuel cell catalysts

23-Nov-2015

Atomic-level imaging of catalysts by scientists at the Department of Energy's Oak Ridge National Laboratory could help manufacturers lower the cost and improve the performance of emission-free fuel cell technologies. Fuel cells rely on costly platinum catalysts to enable the reactions that ...

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'Invisible' protein structure explains the power of enzymes

07-Jul-2015

A research group at Umeå University in Sweden has managed to capture and describe a protein structure that, until now, has been impossible to study. The discovery lays the base for developing designed enzymes as catalysts to new chemical reactions for instance in biotechnological applications. ...

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X-rays and electrons join forces to map catalytic reactions in real-time

01-Jul-2015

A new technique pioneered at the U.S. Department of Energy's Brookhaven National Laboratory reveals atomic-scale changes during catalytic reactions in real time and under real operating conditions. A team of scientists used a newly developed reaction chamber to combine x-ray absorption ...

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Scientists get first glimpse of a chemical bond being born

A fundamental advance has big implications for making chemistry more efficient

16-Feb-2015

Scientists have used an X-ray laser at the Department of Energy’s SLAC National Accelerator Laboratory to get the first glimpse of the transition state where two atoms begin to form a weak bond on the way to becoming a molecule. This fundamental advance, reported Feb. 12 in Science Express and ...

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Secrets of enzyme used to make popular anti-cholesterol drug

15-May-2014

In pharmaceutical production, identifying enzyme catalysts that help improve the speed and efficiency of the process can be a major boon. Figuring out exactly why a particular enzyme works so well is an altogether different quest. Take the cholesterol-lowering drug simvastatin. First marketed ...

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Iron-based process promises greener, cheaper and safer drug and perfume production

02-Dec-2013

University of Toronto researchers have developed a series of techniques to create a variety of very active iron-based catalysts necessary to produce the alcohols and amines used in the drug and perfume industry. The new synthetic methods promise to be safer and more economical and environmentally ...

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Detecting efficient chiral compound catalysts

23-Jul-2013

Scientists in the United States have developed a sensor that could be used to help develop more efficient catalysts for producing chiral compounds in industry. In research they describe the preparation of inexpensive palladium complexes that provide a sensitive UV signal in the presence of some ...

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Real time observation of chemical reaction at catalyst

18-Mar-2013

Scientists at the U.S. Department of Energy's (DOE) SLAC National Accelerator Laboratory used LCLS, together with computerized simulations, to reveal surprising details of a short-lived early state in a chemical reaction occurring at the surface of a catalyst sample. The study offers important ...

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New imaging technique homes in on electrocatalysis of nanoparticles

30-Aug-2012

By modifying the rate at which chemical reactions take place, nanoparticle catalysts fulfill myriad roles in industry, the biomedical arena and everyday life. They may be used for the production of polymers and biofuels, for improving pollution and emission control devices, to enhance reactions ...

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