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Chemistry World August 20, 2008 |
Gold's Magic Number A new gold catalyst developed by UK chemists can catalyse hydrocarbon oxidation, using O 2 as the only oxidant. But catalyst particle size is critical - above 2nm diameter, the catalyst loses all activity. |
Chemistry World February 2, 2011 Elinor Richards |
Gold going it alone Spanish scientists have proved that gold alone can catalyse cross-coupling reactions following a claim made last year that palladium impurities in the gold are essential for the catalysis. |
Chemistry World April 21, 2011 Mary Badcock |
CO2 aids oxidation reactions Carbon dioxide enhances the catalytic oxidation of cyclic alkenes, leading to higher conversions at low pressures, say researchers from South Korea. |
Chemistry World September 4, 2014 Simon Hadlington |
'Unifying theory' proposed for carbon monoxide oxidation on supported gold nanoparticles US researchers believe they have uncovered the means by which gold nanoparticles sitting on a support of titanium dioxide can oxidise carbon monoxide at low temperatures. |
Chemistry World December 4, 2009 James Urquhart |
Easier ester synthesis Researchers in the US have shown how oxygen-coated gold nanoparticles can selectively oxidise a variety of alcohols and aldehydes. |
Chemistry World October 2, 2014 Tim Wogan |
Photosynthesis-free route to oxygen gives early Earth atmosphere clues A direct mechanism for producing oxygen from carbon dioxide using far ultraviolet radiation has been experimentally demonstrated by researchers in the US, confirming a 14-year-old theoretical prediction. |
Chemistry World May 27, 2010 Simon Hadlington |
A novel designer surface catalyst for oxidations Scientists in China have developed a new surface-based catalyst that can selectively oxidise carbon monoxide to carbon dioxide in the presence of hydrogen. |
Chemistry World July 20, 2006 Jessica Ebert |
Golden Touch for Amines Aminobenzene chemicals are used to make anything from dyes to pharmaceuticals, and now scientists have found a way to produce them in a more efficient way using a gold catalyst. |
Chemistry World January 13, 2011 Mike Brown |
Palladium helps gold catalyst go green Researchers have developed a catalyst that efficiently converts toluene into a useful industrial intermediate in a much greener process than traditional methods. |
Chemistry World March 19, 2008 Kira Welter |
'Designer' Catalyst Fights Fuel Cell Poisoning US scientists have designed a contaminant commonly found in hydrogen used to run fuel cells from first principles nanoparticles that efficiently oxidize carbon monoxide (CO) |
Chemistry World May 21, 2009 James Urquhart |
Catalyst kinetics revealed French and UK scientists have developed a spectroscopy technique that has elucidated the reaction mechanism of a silver-alumina catalyst. |
Chemistry World June 18, 2013 Rowan Frame |
Hydrogen generation using sunlight Scientists from Spain have found a catalyst that can use sunlight to power an important industrial reaction for the production of hydrogen at ambient temperatures. |
Chemistry World April 24, 2007 Simon Hadlington |
Researchers 'See' Catalyst Molecules at Work Researchers have for the first time 'watched' in real time single molecules of catalyst participating in a reaction at a solid-liquid interface. |
Chemistry World October 15, 2015 Aurora Walshe |
Carbon dioxide sees the light Collaborators in Spain and Germany have built a microreactor that uses visible light to drive a reaction that turns carbon dioxide into carbon monoxide -- an important chemical building block. |
Chemistry World September 19, 2014 Hugh Cowley |
Quintuple bond activates small stable molecules The activation of carbon dioxide, sulfur dioxide and nitrous oxide by a quintuply bonded dichromium complex has been reported by a team of researchers from Germany. |
Chemistry World February 13, 2015 Andy Extance |
X-ray laser snaps first bond-forming transition state Using data from x-ray lasers scientists have reconstructed the formation of the carbon monoxide oxidation transition state. |
Chemistry World February 19, 2009 James Urquhart |
Selective catalyst cracks direct peroxide production A team of UK and US scientists have shown how hydrogen peroxide - an industrially important disinfectant and environmentally-friendly oxidizing agent - can be made directly from oxygen and hydrogen. |
Chemistry World December 14, 2012 Jon Cartwright |
Pico-gold clusters break catalysis record Chemists in Spain have shown that small clusters of gold atoms are excellent inorganic catalysts with record-breaking efficiency. |
Chemistry World April 9, 2010 Mike Brown |
Going for silver: green plastic production Scientists in the US have identified a new class of catalyst based on subnanometer clusters of three silver atoms that could provide a greener route to propylene oxide - a key intermediate used to make thousands of everyday products |
Chemistry World October 1, 2007 Lewis Brindley |
Semiconductor Splits Water with Sunlight Scientists in Germany have developed a promising new catalyst that splits water using sunlight -- and stores the hydrogen and oxygen produced. |
Chemistry World February 18, 2015 Matthew Gunther |
More bonds probed using x-ray laser Last week we reported that a team of researchers in the US had directly measured a bond transition state and now a separate research group has done the same. |
Reactive Reports November 2007 David Bradley |
Cats Don't Work Like That Scientists have discovered that the three-way catalytic converter in your car converts carbon monoxide into carbon dioxide in two reaction steps, instead of a single step as previously thought. |
Chemistry World September 21, 2009 Hayley Birch |
Enzymes inspire new catalyst design for hydrogen production A novel enzyme-based catalyst developed by UK and US researchers hints at new ways of designing catalysts for the water-gas shift reaction, an important industrial reaction in the production of high grade hydrogen. |
Chemistry World March 14, 2013 Simon Hadlington |
Elusive desorption precursor spied by x-ray laser Scientists have for the first time directly observed the elusive transient precursor state of a molecule just before it desorbs from a solid surface and enters the gas phase. |
Chemistry World April 4, 2008 James Mitchell Crow |
More to Catalysis Than Meets the Eye Catalysts are more than just a reactive surface. Changes beneath a metal's skin can completely change the course of a reaction. |
Chemistry World April 18, 2012 Elinor Richards |
Homogeneous Catalyst Recovery Made Easier Scientists have now found a way to recover homogeneous catalysts at the end of a chemical reaction that doesn't suffer from the slow reaction rates that affect current catalyst recovery systems. |
Chemistry World August 29, 2008 Fred Campbell |
Breaking the bonds of global warming US scientists have managed to prise apart the highly unreactive carbon-fluorine bond at room temperature, potentially paving the way to the efficient disposal of hydrofluorocarbons -- highly stable and long-lived greenhouse gases. |
Chemistry World June 5, 2011 James Mitchell Crow |
Nanoparticles scrub up a treat in hot water bath Upping the catalytic activity of gold nanoparticles can be as simple as a good wash in hot water, UK chemists have shown. |
Chemistry World October 9, 2009 Phillip Broadwith |
New catalyst converts waste CO2 to useful molecules Super-efficient catalysts for conversion of waste carbon dioxide from power stations into useful cyclic carbonate molecules could help reduce emissions and the petrochemical industry's dependence on fossil fuels, say UK chemists. |
Reactive Reports Issue 63 David Bradley |
Natural Copy Cat While plants convert carbon dioxide into sugar and oxygen, chemists are having a more difficult time finding an efficient method for converting carbon dioxide into useful fuels. |
Chemistry World April 28, 2010 Mike Brown |
Producing hydrogen from sea water A new catalyst that generates hydrogen from sea water has been developed by scientists in the US. |
Chemistry World January 11, 2016 Andy Extance |
New vinyl catalyst will reduce mercury emissions A gold-based catalyst over 30 years in the making is set to help fight the harm China's polyvinyl chloride plastic industry is causing the country's environment. |
Chemistry World February 20, 2012 James Urquhart |
Unusual kinetics of catalyst revealed US researchers have elucidated the unusual reaction kinetics of C-H activation by the palladium(II) catalyst (Pd(OAc) 2). |
Chemistry World December 13, 2009 Lewis Brindley |
Breaking the strongest bonds Chemists have uncovered a way to sever two of the strongest bonds in chemistry - in dinitrogen and carbon monoxide - and make useful organic compounds. |
Chemistry World November 12, 2008 Lewis Brindley |
Microscope Reveals Catalyst Secrets A promising technique for watching catalysts in action could provide new insights into how they work, report scientists in the Netherlands. |
Chemistry World October 5, 2011 Simon Hadlington |
Turning Carbon Dioxide Into Chemicals with an Amine Chemists in France have devised a new way to turn carbon dioxide into a useful chemical building block. |
Chemistry World April 25, 2010 Hayley Birch |
New strategy yields best ever catalyst for ammonia decomposition US researchers have developed a new strategy for predicting bimetallic catalysts. |
Chemistry World January 8, 2014 Karl Collins |
Oxidation station Small molecules are making significant inroads -- with reactivity and selectivity approaching levels previously thought unachievable. |
Chemistry World November 1, 2007 Richard Van Noorden |
Step Change for Organic Synthesis US chemists discovered how to attack a complex molecule's unreactive carbon-hydrogen bonds, without resorting to wasteful synthetic aids like protecting and directing groups. |
Chemistry World September 2, 2011 Tegan Thomas |
Offsetting the Cost of a Green Solvent Scientists have conducted a study to show how waste carbon dioxide can become an exploitable resource. |
Chemistry World May 14, 2009 Hayley Birch |
Two metals better than one for fuel cell catalysts US scientists have reported a dramatic improvement in the activity of catalytic nanoparticles destined to replace platinum in fuel cells. |
Technology Research News September 22, 2004 Kimberly Patch |
Fuel Cell Converts Waste to Power One problem with fuel cells is that they produce carbon monoxide, which can gum up the works. Researchers have found a way to use the carbon monoxide to produce more energy in a reaction that can take place at room temperature. |
Chemistry World January 3, 2008 Richard Van Noorden |
Recycling Carbon Dioxide Into Petrol A new reactor could make chemically recycling carbon dioxide back into petrol a worthwhile endeavour. |
Chemistry World February 5, 2013 James Urquhart |
Sea urchin inspires carbon capture catalyst UK scientists have taken inspiration from the sea urchin and shown how nickel nanoparticles could be a cheap and re-usable catalyst in a key step for capturing carbon dioxide produced by power plants and the chemical industry. |
Chemistry World August 28, 2014 |
Trekking across chemical frontiers Thinking about getting molecules to where they need to go is a new concept for the novice process chemist, but is familiar to chemical engineers as mass transfer. |
Chemistry World March 4, 2011 Carl Saxton |
Real-world treatment for dye-contaminated effluents US scientists have found that a dye oxidation process using low levels of an iron catalyst could be used to degrade highly contaminated wastewater under ambient conditions. |
Chemistry World February 24, 2015 Phillip Broadwith |
Catalytic carbon dioxide convertors The world's demand for energy, and the resultant carbon dioxide emissions, are drastically changing our climate. UK startup Econic Technologies is developing catalysts that could take some of that CO 2 and lock it up in high-performance polymer materials. |
Chemistry World March 27, 2012 Erica Wise |
Unlocking the mysteries of ice The unusual properties of ice under compression are due to Coulomb repulsion between bonding and non-bonding electron pairs, say scientists from Singapore and China. |
Chemistry World March 21, 2007 Richard Van Noorden |
Forcing a Reaction US chemists have forced molecules to react by ripping their bonds apart with ultrasound. The scientists carefully stretched one targeted bond until it snapped, guiding the molecule's subsequent reaction into pathways forbidden by conventional chemistry. |
Chemistry World January 25, 2008 Simon Hadlington |
Catalysis Probed with MRI Scientists have developed a way of peering into a microreactor to watch gases react on a solid catalyst. |