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Chemistry World July 28, 2010 Andy Extance |
Molecular interference reveals reactions Scientists can now see atoms reacting on the femtosecond timescale in unprecedented detail, thanks to a laser technique developed at the University of Ottawa. |
Chemistry World January 2, 2014 Ian Randall |
Picosecond 'kettle' to probe chemical reactions A way to boil water in less than a trillionth of a second has been devised by researchers. The approach, which is still theoretical, uses a concentrated pulse of terahertz radiation to raise the temperature of a small sample of water by around 600 C. |
Chemistry World June 9, 2010 Jon Cartwright |
Laser tracks electrons in molecules The breakthrough suggests that attosecond lasers will soon enable scientists to address problems in chemistry and biology, which until now were too complex for attosecond science. |
Chemistry World June 23, 2015 Philip Ball |
Ultra-bright x-rays film molecular reaction A team working at the Stanford Linear Collider in California claims to have made 'the first molecular movie' using ultra-fast x-ray scattering from molecules as they undergo a chemical reaction. |
Scientific American April 18, 2005 Kauffmann & van den Bosch |
CT Scan for Molecules Producing 3-d images of electron orbitals. |
Chemistry World June 13, 2012 Simon Hadlington |
Exploding molecule provides 3D bond images Researchers from the US and Germany have demonstrated a new way to obtain accurate three-dimensional images of molecules, with precise measurements of the geometry of the molecule's chemical bonds. |
Chemistry World January 31, 2014 Philip Ball |
X-rays set to reveal electrons' dance In principle the very intense, ultra-short x-ray pulses produced by free-electron laser sources will be capable of revealing the motions of electrons in real time as they hop between different energy states in atoms and molecules. |
Chemistry World October 12, 2006 Richard Van Noorden |
Lasers on the Energy Ski Slope Researchers have shown that intense laser-light pulses can act as catalysts, controlling the end products of a chemical reaction without themselves being absorbed. |
Chemistry World November 13, 2008 Hayley Birch |
Reactions Studied by Stop Motion Japanese and Israeli scientists have developed a technique that can track whole-molecule changes that occur during extremely rapid reactions. |
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 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 October 15, 2009 Simon Hadlington |
Optical conveyor belt gathers up molecules Researchers in Germany have developed a novel way to 'round up' biological molecules that are freely suspended in solution and trap them in a confined space using nothing more than light. |
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 January 21, 2014 Rachel Wood |
Centrifuge spectroscopy probes extreme rotational states A new spectroscopic technique for studying electronically excited molecules at very high angular momentum has been developed and tested by scientists in Canada. |
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 July 29, 2010 Carol Stanier |
Methane all lined up Swiss researchers have found that the way methane molecules vibrate when they hit a nickel surface can have a huge effect on their reactivity. |
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 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 August 1, 2010 Mike Brown |
Snapshots of mystery molecular structures Researchers have used atomic force microscopy to produce clear molecular images that can help determine the correct atomic structure of unknown organic molecules. |
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 November 11, 2009 James Urquhart |
Structural snapshots of complex molecules US researchers have pioneered a new spectroscopy technique to uncover the precise sequence of atomic movements and structural changes that occur during complex chemical transformations. |
Chemistry World October 10, 2007 Richard Van Noorden |
Surface Chemistry Wins Nobel Prize The 2007 Nobel Prize in Chemistry has been awarded to German scientist Gerhard Ertl for his work understanding the effect of gas molecules on solid surfaces of metals. |
Chemistry World September 9, 2010 Mike Brown |
Electric shock resets nanotube sensor Sensors based on single-walled carbon nanotube (SWNTs) could be 'reset' at the simple flick of a switch, say researchers in the US. |
Chemistry World January 17, 2014 Katia Moskvitch |
Life may have begun in a tiny water droplet Chemical reactions run much faster and more efficiently when they take place in tiny droplets rather than in freestanding water -- such as a puddle or a lake, say researchers. |
Technology Research News June 29, 2005 |
Self-assembly: the natural way to make things In biology, there are a few different ways DNA molecules can be replicated and combined. |
Chemistry World October 22, 2015 Andy Extance |
Crystals allow peek at picosecond DNA damage Right now, light is damaging DNA in your cells, but the chemistry that causes this damage remains murky. |
Chemistry World July 13, 2015 Philip Ball |
First snapshot of elusive intermediate supplies surprise A team near Zurich in Switzerland, has been able to take a single-molecule snapshot of an intermediate in a common class of organic reactions. |
Chemistry World November 9, 2011 Laura Howes |
Zap and the Aromaticity is Gone German chemists have shown that it's possible to turn off aromaticity with a blast from a laser beam. |
Chemistry World August 27, 2009 Nina Notman |
Molecules in close-up A tuning-fork-like device than measures atomic forces is able to image every single atom in a molecule, according to its Swiss inventors. |
Chemistry World March 3, 2014 David Bradley |
Mechanical stress pulls cyclization into shape Researchers at the Ruhr University Bochum, in Germany, have calculated that enediyne toxins, compounds used as anticancer drugs, might undergo Bergman cyclization when put under stress. |
Chemistry World October 23, 2013 |
Models of success The 2013 Nobel prize in chemistry was awarded to three computational pioneers who combined quantum and classical mechanics. Emma Stoye learns about the latest laureates |
Chemistry World June 23, 2009 James Urquhart |
Smallest acid droplet formed Scientists in Germany have observed a single molecule of HCl dissociating into its component ions in water - and have discovered that just four water molecules are needed for complete dissociation of the acid. |
Chemistry World April 17, 2013 Andy Extance |
Electron flashes catch organics in the act Researchers based in Canada, Germany and Japan have overcome the difficulties of collecting diffraction data on small organic molecules to make atomic-scale recordings of their movement. |
Chemistry World December 15, 2010 Hayley Birch |
New technique probes electron properties of individual atoms A new, low voltage electron microscopy technique allows scientists to discriminate not just between atoms of different elements but between atoms of the same element in different electronic states. |
Chemistry World July 16, 2009 Simon Hadlington |
Strange vibrations Researchers in Taiwan have shown that in a relatively simple molecular system the induced vibrations can inhibit the breaking of the bond and slow the reaction down. |
Chemistry World January 25, 2007 Richard Van Noorden |
Water Surprise for Atmospheric Scientists Lone water molecules can catalyze reactions between atmospheric gases, scientists have confirmed, throwing a wrench in the works of supposedly simple atmospheric chemistry. |
Chemistry World October 9, 2013 Emma Stoye |
Computational chemists take Nobel prize The 2013 Nobel prize in chemistry has been awarded to Martin Karplus of Harvard University, US, Michael Levitt of Stanford University, US, and Arieh Warshel of the University of Southern California, US, for "the development of multi-scale models for complex chemical systems." |
IEEE Spectrum February 2012 Miles et al. |
Using Lasers to Find Land Mines and IEDs A laser could ionize a distant puff of air and thus safely detect the fumes from buried explosives |
Technology Research News November 17, 2004 |
Lasers Drive Nano Locomotive A researcher has designed a laser-powered molecular locomotive that runs along a molecular track and can generate a pulling force ten times greater than that of kinesin, a biological molecular motor. |
Chemistry World June 23, 2015 Matthew Gunther |
Photo-catalysts shine light on chemical bond making A team of scientists from Israel and Germany have manipulated bond formation in a chemical reaction using high power lasers |
Chemistry World March 6, 2011 Mike Brown |
Molecules that walk, hop and jump 'Two legged' molecules walk, hop and fly across a receptor surface, according to researchers in the Netherlands and Ireland. The findings could help us understand how viruses and bacteria interact with cell membranes, they say. |
Chemistry World January 15, 2010 Andy Extance |
Quantum computer hits hydrogen bullseye A basic quantum computer has successfully tackled one of the most challenging tasks facing chemists today - calculating molecular energy from basic scientific principles. |
Chemistry World September 24, 2014 Hayley Simon |
Water provides new angle on single molecule imaging Small variations in a molecule's conformation can have a large effect on chemical reactivity. Being able to identify these differences is one of the aims of high resolution spectroscopy. |
Chemistry World February 28, 2012 Nina Notman |
Observing Charge Distribution in Molecules The distribution of charge across a single molecule has been imaged for the first time by Swiss scientists. It is hoped that this work may eventually lead to electronic devices consisting of organic molecules. |
Chemistry World June 11, 2008 Simon Hadlington |
Houdini Molecule Escapes Energy Trap A team of international chemists has captured and caught on camera a small, elusive molecule that has previously never been seen. |
Chemistry World March 9, 2006 Katharine Sanderson |
Covalent Bonds Crack Under the Strain Chemists must consider engineering principles when designing molecules following news that tough carbon-to-carbon bonds break easily under mechanical strain. |
Chemistry World July 15, 2014 Philip Ball |
Molecular clocks may probe fundamental laws A new proposal for using molecules rather than atoms for ultra-precise measurement of frequencies could help to probe whether there are fundamental laws of physics beyond the ones we know already. |
Chemistry World July 12, 2011 Kate McAlpine |
Bit Part for Diethylfluoromalonate in Reaction Model A quantum simulation has successfully described the progression of a chemical reaction for the first time. |
Chemistry World July 4, 2010 Hayley Birch |
DNA sticks at flick of switch A new technique that sticks individual DNA molecules to a gold surface works at the flick of an electrochemical switch. |
Chemistry World September 25, 2014 Hayley Simon |
Breakup reaction hints at handedness of nature The breakup of 3-bromocamphor molecules bombarded by polarized electrons has given a tantalizing hint of the origins of biological homochirality -- nature's preference for one mirror image of a molecule over another. |