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1,074 Current news about the topic catalysis

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SABIC and hte announce deepened partnership

15-Mar-2019

On March 13, 2019, SABIC and hte extended plans for collaboration for five more years to increase efficiency through digitalization and high throughput technologies in catalysis research and development (R&D) in petrochemicals. Dr. Fahad Al-Sherehy, Vice President, Technology & Innovation, SABIC ...

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Zero-emission diesel combustion using a non-equilibrium-plasma-assisted MnO2 filter

11-Mar-2019

Diesel engines are widely used in agricultural machinery, vehicles, and ships because of their high thermal efficiency. The sulfur contained in the diesel fuel is oxidized to sulfur dioxide by combustion. This sulfur dioxide not only harms human health but also causes deactivation of the ...

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'Butterfly-shaped' palladium subnano cluster built in 3-D

25-Feb-2019

Miniaturization is the watchword of progress. Nanoscience - building structures on the scale of a few atoms - has long been at the forefront of chemistry for some time now. Recently, researchers at The University of Tokyo developed the new strategy to construct the subnanosized metal aggregates, ...

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Solid-state catalysis: Fluctuations clear the way

19-Feb-2019

LMU chemists have identified a mechanism that allows molecules to diffuse rapidly on the already crowded surface of a solid-state catalyst – an important capability, especially for efficient catalysis under industrial conditions. The use of efficient catalytic agents is what makes many technical ...

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Adding a porous envelope to aluminum plasmonics

Gas-trapping framework married to light-powered nanocatalysts

13-Feb-2019

When Rice University chemist and engineer Hossein Robatjazi set out to marry a molecular sieve called MOF to a plasmonic aluminum nanoparticle two years ago, he never imagined the key would be the same process nature uses to petrify wood. In a new paper Robatjazi and co-authors with Rice's ...

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Nitrogen gets in the fast lane for chemical synthesis

Chemists discover way to simplify synthesis of valuable precursor for drugs, other compounds

12-Feb-2019

Rice University scientists have given organic chemists a boost with their latest discovery of a one-step method to add nitrogen to compounds for drugs, pesticides, fertilizers and other products. Rice synthetic organic chemist László Kürti said the method is a major step forward as it quickens ...

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A better way to make acrylics

12-Feb-2019

Acrylics are an incredibly diverse and useful family of chemicals used in all kinds of products, from diapers to nail polish. Now, a team of researchers from UConn and ExxonMobil describe a new process for making them. The new method would increase energy efficiency and reduce toxic ...

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Harnessing the power of light to tackle asymmetrical molecules

06-Feb-2019

No, molecules do not actually have hands. But scientists refer to them in this way when looking at asymmetric molecules that are mirror images of one another and therefore are not superimposable. Whether a molecule is a "lefty" or "righty" also influences how they behave -- critical information ...

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Optimized Binding Cavity

Directed evolution of a designer enzyme with an unnatural catalytic amino acid

05-Feb-2019

The impressively high conversion rates of natural enzymes partly result from increasing the catalytic activity of a selected few amino acid side chains through precise positioning within the protein binding cavity. Scientists have now demonstrated that such fine-tuning is also possible for ...

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Semiconductors Combine Forces in Photocatalysis

Active photocatalyst: 2D/2D heterojunction of black phosphorus and bismuth tungstate

29-Jan-2019

A significant advance in the photocatalytic activity of conventional materials is demonstrated by a two-dimensional heterostructure comprising nanolayers of two semiconductors: black phosphorus and bismuth tungstate. As researchers have reported in the journal Angewandte Chemie, this catalyst ...

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