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Chemistry World May 27, 2014 Simon Hadlington |
Unusual H-bond patterns revealed in single molecule image Researchers in the US have used a scanning tunnelling microscope to produce the latest images of structure and bonding in a single molecule, by sensing the molecule's local potential energy landscape. |
Chemistry World July 5, 2011 Mike Brown |
Metallic Pick and Mix with Complexes Scientists in Germany have plucked a metal ion from the middle of a phthalocyanine molecule on a silver surface. The simple method of removal, which employs a scanning tunnelling microscope, could be used to make cheaper molecular storage devices. |
Chemistry World March 25, 2013 David Bradley |
Hydrogen bond under the microscope Scientists in Japan have designed a scanning tunnelling microscope tip that allowed them to measure electron transfer across a single hydrogen bond. |
Chemistry World August 13, 2010 James Urquhart |
Zooming in on intermolecular bonds German researchers have captured clear images of intermolecular bonds for the first time using a modified form of scanning tunnelling microscopy. |
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 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 September 26, 2013 Akshat Rathi |
First pictures of hydrogen bonds unveiled Researchers in China report the first visualization of a hydrogen bond using atomic force microscopy. |
Chemistry World October 11, 2009 Simon Hadlington |
Diode breakthrough in molecular electronics Researchers from the US and Russia have shown how it is possible to measure the diode properties of a single molecule and how the orientation of the molecule between two electrodes can be controlled. |
Chemistry World December 13, 2011 Jon Cartwright |
Scientists unveil tiniest switch Researchers in Germany claim to have created the world's smallest molecular switch, relying on the movement of just a single proton. |
Chemistry World September 13, 2012 Philip Ball |
Bright idea to probe bond order The order of multiple bonds can be uncovered using atomic force microscopy, according to Leo Gross of IBM Research in Zurich and his co-workers. |
Chemistry World May 12, 2011 Jon Cartwright |
'Chemical soldering' heralds single molecule electronics Scientists in Japan and Switzerland have demonstrated how to wire up single molecules with conductive nanowires. |
Chemistry World June 5, 2013 Simon Hadlington |
Raman scattering reaches sub-nm resolution Researchers have achieved the highest resolution yet with Raman spectroscopy, allowing the chemical mapping of molecules to a resolution of less than 1nm. The technique could allow unprecedented chemical identification of single molecules. |
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 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 August 30, 2007 Simon Hadlington |
Rigid Framework for Molecular Switches Researchers in Europe have found that a molecule can be flipped between two conductance states without changing its shape. |
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 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 July 31, 2008 |
Nanostructures Made Easy Scotland-based chemists have invented a new way to build nanoscale arrays of molecules over a large surface area: a technique that may be key to making nanostructures in sophisticated sensors, catalysts, and tiny computer parts. |
Chemistry World November 18, 2012 Simon Hadlington |
C-O bond stretched to record length Chemists in the US have stretched the C-O bond to a record length, an 'extraordinary' 1.622 angstroms, compared with a typical length of around 1.43 angstroms in ethers. |
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 March 10, 2009 Alexander Hellemans |
Making pentagonal ice An international group of researchers have discovered that pentagonal structures of ice can be formed on copper surfaces consisting of Cu (110) substrates. |
Chemistry World November 5, 2007 Ned Stafford |
Joining up Nanocircuits A team of scientists have covalently bonded strings of porphyrin molecules on a gold surface -- a step forward in the quest to develop nano-electronics. |
Chemistry World August 22, 2011 Jon Cartwright |
Manmade molecular machine goes to work Manmade molecules can generate similar forces to natural molecular machines, and could help chemists to design artificial molecular machines for meaningful tasks. |
Chemistry World April 15, 2010 Simon Hadlington |
Lead joins the aromatic ring club Scientists in Japan have successfully incorporated an atom of lead into an aromatic molecule - the heaviest metal so far to be 'aromatised'. |
Chemistry World January 29, 2010 Phillip Broadwith |
Silicon goes aromatic Chemists in the UK have constructed a structural analogue of benzene made from silicon atoms. The molecule is not flat like benzene, but it reveals a new type of aromatic stabilisation. |
Chemistry World September 12, 2013 Andy Extance |
Sulfur difluoride dimer exposes bonding strangeness Calculations on unusual bonding in the sulfur difluoride dimer FSSF 3 have provided evidence to help explain why some compounds don't follow long-established chemical rules. |
Chemistry World September 12, 2010 Simon Hadlington |
Isotope effect seen on single molecule The isotope effect - where the rate of a reaction is altered depending on the presence of a given isotopic atom in the reactant - is a key tool for elucidating reaction mechanisms |
Chemistry World October 31, 2007 Lewis Brindley |
Filming the Nanoworld Scientists in the US have upgraded the circuitry on a popular microscopy technique to boost the speed of imaging by about 100 times |
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 September 20, 2013 James Urquhart |
Microscopy and spectroscopy combined US researchers have developed a new imaging technique which combines the spatial resolution of scanning tunneling microscopy with vibrational information obtained from infrared spectroscopy. |
Chemistry World January 27, 2010 Phillip Broadwith |
Cracking carbon-carbon bonds Chemists in the US have discovered a tungsten complex that can break a strong carbon-carbon bond in an aromatic ring. |
Technology Research News October 20, 2004 |
Molecules positioned on silicon Dubbed multi-step feedback control lithography, this new fabrication process could eventually be used to construct prototype molecular electronic devices for future technologies in areas like consumer electronics and biomedical diagnostics. |
Chemistry World May 13, 2014 Jennifer Newton |
Blurred bonds rationalized by heavy atom tunnelling A new theoretical study of anti-aromatic systems has attributed the unusual way that their I -bonds shift to quantum tunnelling. |
Chemistry World June 16, 2010 Simon Hadlington |
Rotaxane molecule seen in action Researchers from the US and Japan have directly observed the ring of a rotaxane molecule shuttling along its spindle. The behaviour of the rotaxane is influenced by its molecular environment, something that is significant if the molecules are to be used as molecular machines. |
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 2, 2012 Philip Ball |
Imaging icons To celebrate the London 2012 Olympics, David Fox and Anish Mistry at the University of Warwick, UK, synthesised olympicene -- a polyaromatic hydrocarbon of five fused rings. |
Chemistry World February 21, 2008 Simon Hadlington |
Taking the Measure of Atomic Friction Scientists in the US and Germany have successfully used an atomic force microscope to determine exactly how much effort is needed to drag a single atom of cobalt across the surface of different metals. |
Chemistry World March 31, 2009 Lewis Brindley |
Giving molecules a stretch A simple way to stretch small molecules and measure the forces at play has been developed by researchers in the US. |
Chemistry World April 28, 2011 Simon Hadlington |
New method for aromatic coupling Chemists in Switzerland have developed a way to couple aromatic rings through the Friedel-Crafts mechanism - something many people would have believed impossible. |
Chemistry World May 21, 2010 Simon Hadlington |
H-bond partner-swapping seen in the flesh The dance moves that a water molecule makes as it flips hydrogen bonds from one partner to another have been captured by US researchers. |
Chemistry World March 3, 2010 Jon Cartwright |
Hydrocarbon turns superconductor Researchers in Japan have created the first superconducting material based on a molecule of carbon and hydrogen atoms. |
Chemistry World October 1, 2014 Philip Ball |
Probing molecules atom by atom A new technique that can 'see' individual spins of electrons and nuclei in single molecules could enable nuclear magnetic resonance spectroscopy atom by atom. |
Chemistry World October 9, 2014 Katrina Kramer |
Largest Mobius molecule synthesized Researchers from Korea and Japan have put a new twist on aromaticity, synthesizing the largest Mobius aromatic molecule to date. |
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 March 9, 2007 Michael Gross |
Nanowires go Round the Bend Chemists have bent an apparently linear molecular wire into a closed circle, creating a conducting ring just 3 nanometers across. |
Chemistry World March 11, 2008 Michael Gross |
Chemical Wheel Could Boost Computers A wheel-like arrangement of quinone molecules could process up to 16 instructions at the same time, potentially giving a powerful boost to the computers of the future, according to researchers in Japan. |
Chemistry World January 23, 2008 James Mitchell Crow |
2008 Wolf Prize Winners Revealed US chemists William Moerner and Allen Bard have jointly been awarded the 2008 Wolf Prize for Chemistry, for their pioneering work on single molecule spectroscopy. |
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. |
Technology Research News August 13, 2003 |
Molecule makes ring rotor Researchers from the University of Edinburgh in Scotland have interlocked large, ring-shaped molecules to make a molecular rotor that moves in only one direction. The molecule could eventually be used as a nanoscale motor or winch. |
Chemistry World September 18, 2007 Simon Hadlington |
Researchers See Electrons in a Spin Scientists in the US have successfully measured the spin polarisation state of single atoms adsorbed to a surface, bringing the prospect of quantum computing and spin-based electronics (spintronics) a step closer. |