82 Current news about the topic catalysts

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Edges and corners increase efficiency of catalytic converters

X-rays reveal oxide islands on noble metal nanoparticles

28-Mar-2018

Catalytic converters for cleaning exhaust emissions are more efficient when they use nanoparticles with many edges. This is one of the findings of a study carried out at DESY’s X-ray source PETRA III. A team of scientists from the DESY NanoLab watched live as noxious carbon monoxide (CO) was ...

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Rice U. sleuths find metal in 'metal-free' catalysts

28-Feb-2018

Detective work by Rice University chemists has defined a deception in graphene catalysts that, until now, has defied description. Graphene has been widely tested as a replacement for expensive platinum in applications like fuel cells, where the material catalyzes the oxygen reduction reaction ...

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A bendable touch panel with silver nano ink printing

17-Jan-2018

JST has recognized the results of NexTEP's project, "A Sensor Film for Touch Panels Using Thin Metallic Wire" as a success.This development task was based on the research of Professor Tatsuo Hasegawa, Principal Research Manager at the Flexible Electronics Research Center of the National Institute ...

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New test opens path for better 2-D catalysts

09-Oct-2017

Rice University researchers have taken a deep look into atom-thick catalysts that produce hydrogen to see precisely where it's coming from. Their findings could accelerate the development of 2-D materials for energy applications, such as fuel cells. The Rice lab of materials scientist Jun Lou, ...

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Chemical hotspots

Scanning tunneling microscopy measurements identify active sites on catalysts

11-Sep-2017

Chemistry live: Using a scanning tunneling microscope, researchers at the Technical University of Munich (TUM) were able for the very first time to witness in detail the activity of catalysts during an electro-chemical reaction. The measurements show how the surface structure of the catalysts ...

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Watching 'artificial atoms' assemble into perfect lattices

Scientists see numerous uses

02-Aug-2017

Some of the world's tiniest crystals are known as "artificial atoms" because they can organize themselves into structures that look like molecules, including "superlattices" that are potential building blocks for novel materials. Now scientists from the Department of Energy's SLAC National ...

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Seeing more with PET scans

New chemistry for medical imaging

28-Jul-2017

Researchers have found a surprisingly versatile workaround to create chemical compounds that could prove useful for medical imaging and drug development. The chemical mechanism, discovered by scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and UC ...

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Spotting the invisible

Mapping structures and functions of a transient enzyme state

02-Jun-2017

Chemists at Umeå University have succeeded in mapping structures and functions of a transient enzyme state. By modifying the enzyme adenylate kinase, researchers were able to isolate the molecule and study it using the quantitative techniques X-ray crystallography and nuclear magnetic resonance ...

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Strange forces acting on nanoparticles discovered

12-Apr-2017

A new scientific paper published, in part, by a University of New Mexico physicist is shedding light on a strange force impacting particles at the smallest level of the material world. The discovery was made by an international team of researchers lead by UNM Assistant Professor Alejandro ...

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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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