Science news articles about 'oxidation catalysts'Green catalysts provide promise for cleaning toxins and pollutants
... , Aug. 18 at the 236th national meeting of the American Chemical Society in Philadelphia. The oxidation catalysts are the first highly effective mimics of peroxidase enzymes. When partnered with ... NIST and partners identify tiny gold clusters as top-notch catalysts
... critical size range at which gold nanocrystals supported by iron oxide become highly active ... allows the researchers to study the real iron oxide catalyst systems as synthesized, identify all of the gold ... More efficient fuel-cells, thanks to a new catalyst
... reaction called electro-oxidation has to take place and this, in turn, requires a catalyst to accelerate the process ... new catalyst. His work falls within the remit of the overall Alcohols Oxidation Fuel ... Secret lives of catalysts revealed
... chemical reactions," says Somorjai. "And this makes all the difference in establishing how the catalyst participates in the chemistry."
With this information, scientists can develop nanoparticle ... New catalysts promise faster, cleaner and more efficient research platform
... fields.
"We expect this highly flexible palette of catalysts to be useful for a wide variety of catalytic reactions that are catalyzed by a high oxidation state alkylidene species, and to be able to ... Halting methane squanderlust
... "An important thing researchers have struggled with is determining the structure of the active catalyst."
That catalyst -- molybdenum oxide sitting on a zeolite mineral -- converts methane gas into ... Perfecting a solar cell by adding imperfections
... addition, a separate film made of platinum acts as a catalyst to speed the chemical reactions involved.
Both of these materials have disadvantages, though. The oxide films can't easily be applied to ... In 'novel playground,' metals are formed into porous nanostructures
... assemble metals into complex nanostructures. Applications include making more efficient and cheaper catalysts for fuel cells and industrial processes and creating microstructured surfaces to make new ... Process used by microbes to make greenhouse gases uncovered
... temperatures are required.
"From studying this process in these microbes, hopefully scientists can understand how their natural catalysts make this reaction work at lower temperatures," he said.Scientists use old enemy to K.O. cancer
... laboratory tests reveal a second line of defence using ruthenium as a catalyst to a reaction which stops cells developing the anti-oxidant chemical glutathione.
As the targeted cell is forced to ... Monash team learns from nature to split water
... against decomposition and, importantly, water could reach the catalyst where it was oxidised on exposure to light."
This process of "oxidizing" water generates protons and electrons, which can be ... A better way to make hydrogen from biofuels
... prevent "coking" -- the formation of carbon fragments on the surface of the catalyst. The combination of metals -- cerium oxide and calcium -- solved that problem, because it promoted the movement of ... Molecular cubes in the sunlight
... hurdle to overcome in the photocatalytic splitting of water to date has been the lack of a robust catalyst that oxidizes water. In fact, the best known catalyst, which very effectively oxidizes water ... Introducing the next generation of chemical reactors
... . These changes could in turn alter transport properties such as thermal conductivity and viscosity, and catalyst activity – and hence regulate the reactions.
Professor Ding also believes that these ... New uses for imidazolium salts in medicine and alternative energy
... HMF yields were as high as 96% for fructose and 81% for glucose. As both the catalyst and the ionic liquid can be recycled, our technology is more environmentally friendly and would potentially lead ...
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Green catalysts provide promise for cleaning toxins and pollutants
... , Aug. 18 at the 236th national meeting of the American Chemical Society in Philadelphia. The oxidation catalysts are the first highly effective mimics of peroxidase enzymes. When partnered with ...NIST and partners identify tiny gold clusters as top-notch catalysts
... critical size range at which gold nanocrystals supported by iron oxide become highly active ... allows the researchers to study the real iron oxide catalyst systems as synthesized, identify all of the gold ...More efficient fuel-cells, thanks to a new catalyst
... reaction called electro-oxidation has to take place and this, in turn, requires a catalyst to accelerate the process ... new catalyst. His work falls within the remit of the overall Alcohols Oxidation Fuel ...Secret lives of catalysts revealed
... chemical reactions," says Somorjai. "And this makes all the difference in establishing how the catalyst participates in the chemistry." With this information, scientists can develop nanoparticle ...New catalysts promise faster, cleaner and more efficient research platform
... fields. "We expect this highly flexible palette of catalysts to be useful for a wide variety of catalytic reactions that are catalyzed by a high oxidation state alkylidene species, and to be able to ...Halting methane squanderlust
... "An important thing researchers have struggled with is determining the structure of the active catalyst." That catalyst -- molybdenum oxide sitting on a zeolite mineral -- converts methane gas into ...Perfecting a solar cell by adding imperfections
... addition, a separate film made of platinum acts as a catalyst to speed the chemical reactions involved. Both of these materials have disadvantages, though. The oxide films can't easily be applied to ...In 'novel playground,' metals are formed into porous nanostructures
... assemble metals into complex nanostructures. Applications include making more efficient and cheaper catalysts for fuel cells and industrial processes and creating microstructured surfaces to make new ...Process used by microbes to make greenhouse gases uncovered
... temperatures are required. "From studying this process in these microbes, hopefully scientists can understand how their natural catalysts make this reaction work at lower temperatures," he said.Scientists use old enemy to K.O. cancer
... laboratory tests reveal a second line of defence using ruthenium as a catalyst to a reaction which stops cells developing the anti-oxidant chemical glutathione. As the targeted cell is forced to ...Monash team learns from nature to split water
... against decomposition and, importantly, water could reach the catalyst where it was oxidised on exposure to light." This process of "oxidizing" water generates protons and electrons, which can be ...A better way to make hydrogen from biofuels
... prevent "coking" -- the formation of carbon fragments on the surface of the catalyst. The combination of metals -- cerium oxide and calcium -- solved that problem, because it promoted the movement of ...Molecular cubes in the sunlight
... hurdle to overcome in the photocatalytic splitting of water to date has been the lack of a robust catalyst that oxidizes water. In fact, the best known catalyst, which very effectively oxidizes water ...Introducing the next generation of chemical reactors
... . These changes could in turn alter transport properties such as thermal conductivity and viscosity, and catalyst activity – and hence regulate the reactions. Professor Ding also believes that these ...New uses for imidazolium salts in medicine and alternative energy
... HMF yields were as high as 96% for fructose and 81% for glucose. As both the catalyst and the ionic liquid can be recycled, our technology is more environmentally friendly and would potentially lead ...