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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. |
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 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 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 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. |
Chemistry World August 23, 2006 Simon Hadlington |
Laser Light Cast on Quantum Evolution Researchers have demonstrated for the first time why a technique called coherent control is able to break molecular bonds selectively using finely-tuned pulses of laser light. |
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 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 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 January 29, 2012 Andy Extance |
Calculations reveal carbon-carbon quadruple bond C 2's two carbon atoms aren't joined by a double bond as usually thought, or even a triple bond, but in fact a quadruple bond. |
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 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 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 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 12, 2014 Andy Extance |
Rocket reactor forces space hydrogen rethink Scientists have pushed low-temperature experimentation and computational chemistry to their limits to better understand hydrogen fluoride, which astronomers use to study regions of space that are otherwise hard to image. |
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. |
Scientific American April 18, 2005 Kauffmann & van den Bosch |
CT Scan for Molecules Producing 3-d images of electron orbitals. |
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 May 13, 2013 Philip Ball |
The name's (quadruple) bond? The nature of C 2 is still imperfectly understood and has recently sparked extensive debate in the chemical literature. The question seems simple: how are the two atoms bonded? |
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 September 13, 2007 James Mitchell Crow |
Molecules Made with Antimatter Molecules combining electrons and positrons -- matter and antimatter -- have been made for the first time by US scientists, potentially paving the way for powerful new lasers. |
Chemistry World December 11, 2015 Matthew Gunther |
Cutting edge chemistry in 2015 Innovations in chemistry this year include development of an Ebola vaccine, prize winning antimalarial drug research, and discovery of microstructures in bird feathers. |
Chemistry World June 18, 2009 Lewis Brindley |
Chemical speed-dating even faster Researchers in the US have adapted a DNA amplification technique to develop a simpler way to rapidly screen chemical reactions. |
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 October 13, 2011 Phillip Broadwith |
Following Electrons' Chemical Reaction Quickstep The oscillating electronic states of molecules nearby and passing through a conical intersection can now be probed directly. |
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 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. |
IEEE Spectrum May 2010 Neil Savage |
The Laser at 50 It's the golden anniversary of this fundamental technology |
National Defense October 2009 Grace V. Jean |
The Promise of the World's Smallest Lasers Recent advances in power efficiency, design and high temperature functionality have pushed ultra-thin semiconductor lasers closer to real-world utility. |
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 |
Chemistry World May 30, 2012 Jon Cartwright |
Tiny buckyball grown around metal atom An international team of researchers has observed the smallest fullerene to form spontaneously to date using metal atoms for stabilization. |
Chemistry World June 12, 2007 Richard Van Noorden |
Imploding Bubbles Mix Fluids on a Chip Fluids traveling through micro channels could be mixed together by being whipped into a laser-induced froth, say researchers. Their technique may provide a simple way to control chemical reactions in a lab-on-a-chip. |
Chemistry World September 24, 2014 Richard Massey |
Acetaldehyde photolysis: right to roam Australian and US chemists have re-shaped our understanding of an important photochemical reaction that defies classical transition state theory and proceeds via multiple barrierless 'roaming' pathways. |
Chemistry World March 2011 |
Column: The crucible Chemistry cannot all be reduced to physics, argues Philip Ball |
Chemistry World January 29, 2015 Santiago Alvarez |
What we mean when we talk about bonds The chemical bond is still a matter of lively debate among chemists, even a century after Gilbert Lewis introduced his electron pair bonding concept. |
Technology Research News September 24, 2003 Eric Smalley |
Laser made from single atom The simplest possible laser -- a single atom -- has been on the drawing board for decades. Researchers have finally achieved the extremely precise control needed to make a laser from just one atom. The first demonstration of a single-atom laser showed that it's a different animal -- it produces quantum light. |
Technology Research News December 31, 2003 Eric Smalley |
Light frozen in place Researchers at Harvard University have trapped and held a light pulse still for a few hundredths of a millisecond. |
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 16, 2011 Kate McAlpine |
Radical experiment assesses interstellar nitrogen Radical reactions are challenging to measure at cold temperatures, but an international team of researchers have recently clocked the rate for atomic nitrogen and hydroxyl radicals at 56K. |
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. |
IEEE Spectrum October 2010 Sandra Upson |
Laser Uranium Enrichment Makes a Comeback The controversial technology poses proliferation risks, but nuclear firms press on |
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 December 6, 2006 Lionel Milgrom |
Surf's up for Unstable Electron Beams Controlling short high-energy bursts of plasma electrons is difficult. But now physicists in France have managed it, using a laser to inject electrons into the wake of a plasma wave created from a jet of helium gas. |
Chemistry World November 25, 2014 James Urquhart |
Nanomolar chemistry enables 1500 experiments in a single day Chemists have conducted over 1500 chemistry experiments in under a day thanks to a miniaturized, high throughput automation platform they developed for identifying how synthetic molecules react under various conditions. |
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." |
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. |
IEEE Spectrum June 2009 Saswato Das |
Two-Laser Lithography Shrinks Transistors A new microscopy technique gets adapted for chipmaking |
Chemistry World October 29, 2007 Lewis Brindley |
Laser Hits the Right Spot for Chemical Analysis Scientists have developed a 'laser nanoantenna' that could significantly boost the level of detail available to tabletop microscopes. |
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 October 26, 2006 Victoria Gill |
Volcanoes Reveal the Secret of the Origin of Life Life began with a chemical reaction under the sea over four billion years ago. That is the claim of a German scientist whose team has recreated a crucial part of the reaction, synthesizing all the necessary ingredients for a living organism. |