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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 January 17, 2014 Phillip Broadwith |
Plug and play redox enzymes With the constant drive to make chemical synthesis ever cleaner, more energy-efficient and generate less waste -- both in research and industrial processes -- more and more chemists are looking to harness enzyme catalysis. |
Chemistry World April 26, 2007 Richard Van Noorden |
Hydrogen Busters go Synthetic Chemists have created a small molecule which mimics the way natural enzymes chew up hydrogen. The model should inspire designs for new catalysts that can break up hydrogen in fuel cells; or (running in reverse) help produce the fuel for a hydrogen economy. |
Chemistry World February 23, 2012 Russell Johnson |
Powering up fuel cells A hydrogen fuel cell that uses carbon nanotubes to increase the amount of electrocatalyst attached to electrodes has been designed by UK scientists. |
Chemistry World August 11, 2011 Josh Howgego |
Enzyme Inspired Nickel Complex Races to Produce Hydrogen A cheap nickel catalyst could pave the way for the industrial production of hydrogen - a step on the road to a hydrogen economy. |
Chemistry World November 27, 2011 James Mitchell Crow |
Artificial enzymes close in on nature A synthetic metalloprotein that approaches the catalytic performance of a natural enzyme, despite its stripped-down structure, has been developed by a team of chemists in the US. |
Chemistry World July 25, 2008 Simon Hadlington |
Structure of hydrogen splitting enzyme revealed Scientists in Germany have brought the prospect of generating cheap electricity from hydrogen a step closer by taking a snapshot of an elusive enzyme that can split the gas as efficiently as a platinum catalyst. |
Chemistry World December 21, 2012 Laura Howes |
Engineered enzyme performs cyclopropanation by carbene transfer While biomimetic chemistry has been busy learning from nature, other chemists have been busy modifying enzymes to develop biocatalysts for other reactions. |
Chemistry World January 6, 2010 Phillip Broadwith |
Enzymes do the twist The way enzyme catalysts bind molecules to speed up their reactions is not as simple as once thought, say chemists from the UK and Spain. |
Chemistry World December 3, 2009 Hayley Birch |
Bio-Inspired Catalyst Design Could Rival Platinum French scientists have demonstrated the potential of a new fuel cell catalyst inspired by hydrogenase enzymes. |
Chemistry World February 9, 2012 Simon Hadlington |
Molecule mimics molybdenum catalyst Chemists in the US have created a molecule that closely resembles the key active portion of molybdenum disulfide, an important solid industrial catalyst that shows promise for the generation of hydrogen from water. |
Chemistry World November 26, 2012 Laura Howes |
Protein coat prepares catalyst for cascades By protecting a transition metal catalyst with a protein coat, scientists have managed to couple up biocatalysts and chemical catalysts to perform a cascade reaction. |
Chemistry World June 7, 2012 Simon Hadlington |
Rethinking redox chemistry Metal oxide redox chemistry may be due a big re-think following new research by US scientists. It seems that it is not solely electrons that are being shunted about. In many, possibly most, cases a proton also comes along for the ride. |
Chemistry World January 3, 2008 Simon Hadlington |
Key Plank of Theoretical Chemistry Rescued Theoretical chemists can breathe a sigh of relief after the publication of a study which shows that a cornerstone of their discipline seems to be intact despite earlier evidence to the contrary. |
Chemistry World June 23, 2010 Simon Hadlington |
New catalyst for hydrogen from formic acid Chemists in Germany have taken a leaf out of nature's book to develop a new, low-cost, iron-based catalyst powered by light that can extract hydrogen from formic acid. |
Chemistry World July 15, 2010 Simon Hadlington |
Synthetic enzyme catalyses Diels-Alder reaction The reaction is key to many organic syntheses and suggests that artificial enzymes could soon become part of the synthetic chemist's toolkit. |
Chemistry World March 7, 2010 Simon Hadlington |
Solvated electron mystery solved Researchers have answered a riddle that has been puzzling scientists for decades: why is it that electrons in an aqueous environment appear to exist in two distinct states |
Chemistry World February 11, 2011 Philippa Ross |
Breakthrough for bacterial hydrogen production Scientists in China have developed a device that can produce hydrogen from organic materials using bacteria at temperatures below 25 degrees Celsius. |
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 October 29, 2009 Lewis Brindley |
Cascading reactions in artificial cells Dutch researchers have started performing multi-step reactions inside artificial cells made from enzymes and polymers. |
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. |
Technology Research News April 21, 2004 Eric Smalley |
Molecule Makes Electric Motor Researchers have built molecules that can spin on command, but finding a way to harness this molecular motion to carry out work is more difficult. A molecule that has a limited range of motion opens up new possibilities. |
Chemistry World August 21, 2014 Jonathan Midgley |
Redirecting electrons boosts algal hydrogen generation Scientists have developed a highly targeted metabolic engineering technique to control the flow of electrons produced by the initial stages of photosynthesis in microalgae. |
Chemistry World April 11, 2011 Mike Brown |
One catalyst, two reactions Researchers in the US have designed a novel material that can catalyse two separate, sequential reactions to produce industrially relevant intermediates in one pot. |
Chemistry World September 24, 2012 Samantha Cheung |
Tumors reprogram nylon synthesis Cancer mutations have inspired a redesign of an enzyme to catalyze a key step in the bio-based production of adipic acid, a precursor to nylon. |
Chemistry World January 27, 2011 Laura Howes |
Muons take kinetic isotope effects to extremes Scientists have used muons, elementary particles similar to electrons, to investigate the effect of isotope identity on one of the most fundamental reactions in chemistry. |
Chemistry World February 27, 2013 Simon Hadlington |
Supercharging methanol for fuel cells Scientists in Germany and Italy have discovered a way to derive hydrogen gas from methanol at low temperatures and pressures using soluble ruthenium-based 'pincer' catalysts. |
Chemistry World October 28, 2010 Simon Hadlington |
Nanowire fuel cell for biological power Scientists in China and the US have developed a miniature fuel cell that can produce electricity from biological fluids such as blood. |
Chemistry World March 20, 2007 Lionel Milgrom |
Chemical Model Unlocks Key Enzyme's Secrets The precise workings of cytochrome c oxidase (CcO), an enzyme that is crucial for all aerobic life, have been unveiled. |
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 August 13, 2007 Simon Hadlington |
Nature Captured in a Test-Tube Two groups of researchers have demonstrated how a complex chain of reactions catalyzed by multiple enzymes can be reconstructed in the test tube to synthesize naturally occurring products that have potential therapeutic properties. |
Chemistry World May 29, 2015 Derek Lowe |
Magic molecule modifiers The synthesis of a new organic molecule can be approached in several ways. |
Chemistry World April 14, 2006 Simon Hadlington |
Deciphering Hydrogen Tunnelling in Enzymes Researchers have thrown important new light on the phenomenon of hydrogen tunnelling in biological catalysts. The finding is likely to spark a debate among biochemists about the fundamental nature of enzymes. |
Chemistry World March 6, 2008 Simon Hadlington |
Synthetic Enzymes Designed by Computer Scientists in the US have designed and built an artificial enzyme from scratch. |
Chemistry World November 14, 2013 James Urquhart |
Mysterious selectivity of nature's blowtorches solved US researchers have solved the long-standing mystery of how cytochrome P450 enzymes generate intermediates to perform demanding oxidations of inert C -- H bonds without damaging their fragile protein network in the process. |
Chemistry World November 11, 2015 Aurora Walshe |
H 2-free route to actinide hydrides Scientists in the US have shown that phenylsilane is a safer and more convenient replacement for hydrogen gas when synthesizing uranium and thorium hydrides. |
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 July 31, 2008 |
Breakthrough Catalyst for Splitting Water Scientists say they have solved a fundamental problem hampering renewable energy generation - how to split water cheaply into oxygen and hydrogen, under benign conditions, so that the gases can be stored as fuels. |
Technology Research News June 15, 2005 |
Power Sources: Fuel Cells, Solar Cells, Heat, Vibration and Fusion Summaries of how each of these power sources work to create energy. |
Chemistry World April 14, 2013 Andy Extance |
Split water splitting raises green hydrogen hopes UK scientists say that they have developed the first widely-useable electrolysis system that splits water and releases hydrogen and oxygen in separate stages. |
Chemistry World February 27, 2015 Tim Wogan |
Sun rises on new solar route to hydrogen A new, more efficient way of using sunlight to split water into hydrogen and oxygen has been developed by researchers in China and Israel. |
Chemistry World April 11, 2011 Laura Howes |
Pocket sized fuel cell, a step closer A new catalyst for hydrogen evolution could see you carry around a fuel cell in your pocket to power electronic devices. |
Chemistry World April 28, 2009 Lewis Brindley |
New catalyst means cheap hydrogen from power stations A new catalyst system could improve the efficiency of gas-fired power stations by producing hydrogen gas as a by-product, say Dutch researchers. |
Chemistry World February 2011 |
Column: In the pipeline Enzymes have been giving chemists inferiority complexes since day one, says Derek Lowe. But there's no denying their potential |
Chemistry World July 29, 2011 Simon Hadlington |
Archetypal Lewis Acid Borane Turned Into a Base Chemists in the US and Germany have achieved the remarkable feat of transforming a borane, an archetypal electron-accepting Lewis acid, into an electron-donating Lewis base. |
Chemistry World March 4, 2013 Harriet Brewerton |
Co-factoring on a chip makes biocatalysis easy Stephan Mohr and colleagues have designed an efficient microfluidic biocatalysis device that uses and regenerates an artificial mediator, dimethyl viologen, which is cheaper than co-factors used currently. |
Chemistry World August 10, 2009 James Urquhart |
Stretching for reversible enzyme activation A new kind of biologically inspired nanomaterial that can be chemically turned on and off by mechanical stretching has been devised by French researchers. |
Chemistry World February 17, 2013 Simon Hadlington |
Enzyme nano-parcels sober up drunken mice Scientists in the US and China have invented a way to encapsulate teams of enzymes in a thin polymer shell. This enables the enzymes to carry out a series of sequential reactions within an enclosed space -- as happens in nature. |
Technology Research News August 13, 2003 |
Motion sensor nears quantum limit Researchers from the University of California at Santa Barbara have constructed a device that can measure movements as small as one thousandth of a nanometer, which is one hundredth the size of a hydrogen atom. |
Chemistry World July 8, 2013 Philip Ball |
Solvent traffic responsible for electron gridlock Electron transfer is common in biochemistry, electrochemistry and redox reactions, but isn't fully understood. New research now shows that the rate at which an electron leaves its parent atom may be at the mercy of the solvent. |