71 Current news about the topic catalysts

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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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Aqueous iron interacts as strong as solid iron

Advances spectroscopy research: HZB scientists come up with new method for examining the structure of metal ions-complexes in solution

11-Jul-2012

HZB scientists have apply a new method -- "inverse Partial Fluorescence Yield" (iPFY) on micro-jet -- which will enable them to probe the electronic structure of liquids free of sample damages. The experiments are performed in vacuum conditions at the LiXEdrom experimental chamber, where a fluid ...

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Processes at the Surface of Catalysts

Using Infrared Spectroscopy, Scientists Detect that Oxygen Defects Act as Active Centers

12-Apr-2012

In chemical industry, heterogeneous catalysis is of crucial importance to the manufacture of basic or fine chemicals, in catalytic converters of exhaust gas, or for the chemical storage of solar energy. Scientists of Karlsruhe Institute of Technology (KIT) and Ruhr-Universität Bochum (RUB) have ...

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