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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 November 11, 2012 Simon Hadlington |
'Nano-welding' taken to the limits as specific bonds are cut and formed In a remarkable demonstration of the extreme limits of nanoscale engineering, researchers from the US and China have used the tip of a scanning tunnelling microscope to cleave and form selected chemical bonds on a complex molecule. |
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 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 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 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 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 October 3, 2014 Jennifer Newton |
Assessing covalency in the hydrogen bond zoo Worried that the concept of hydrogen bonding has been getting fuzzier over time, scientists in Germany have sought a fresh look at the very nature of these bonds, and how much covalency they involve. |
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 August 29, 2014 Simon Hadlington |
Rigid molecular wires make electrons fly Researchers in Germany and Japan have shown that a new type of organic molecular wire -- which is flat and rigid -- can transfer electrons at more than 800 times the speed of its conventional, flexible counterpart. |
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 April 26, 2011 Manisha Lalloo |
Pnicogens link up as new bond is discovered German researchers have discovered a chemical oddity - a new type of intramolecular interaction between group 15 atoms, which is as strong as a hydrogen bond. These interactions could be used to build supramolecular structures. |
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 November 10, 2014 Andy Extance |
Hydrogen bond pictures come under close scrutiny Scientists have cast doubt on whether striking atomic force microscopy images previously thought to show hydrogen bonds are real or merely an artefact. |
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 September 3, 2008 Lewis Brindley |
Hydroxide argument settled Scientists in Germany say they have settled an argument over how hydroxide ions travel quite so quickly through water, after finding evidence that they can donate a weak hydrogen bond. |
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 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 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 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 February 18, 2011 Carol Stanier |
Speed dating for pharmaceuticals A simple analysis of hydrogen bond strengths finds the best crystallisation partners for drugs, say UK scientists. |
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 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 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 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 February 12, 2013 Philip Ball |
Water structure controversy laid to rest? A controversy about the structure of liquid water that has raged for almost a decade may be laid to rest by a new computational study. |
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 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 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 November 3, 2015 Matthew Gunther |
IR spectroscopy stretches knowledge of hydrogen bonding Scientists in Denmark have, for the first time, detected a hydrogen bond between an N -- H and phosphorus in the gas phase. |
Chemistry World November 1, 2007 Simon Hadlington |
Shaking up Nanofriction US scientists have performed the equivalent of the school-lab experiment of dragging a mass across different surfaces to measure frictional forces - but at the atomic scale. |
Technology Research News February 9, 2005 Eric Smalley |
Atomic scopes eye living tissue Researchers have used a scanning probe microscope to look at the structure of a butterfly's wing at a resolution of five nanometers -- just two and a half times the width of DNA molecule -- proving that it is possible to use these microscopes to analyze material from living systems. |
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 November 7, 2013 Polly Wilson |
Hydrogen adopts alkali metal position For the first time, scientists have shown that hydrogen can stand in for alkali metals in typical alkali metal structures. |
Chemistry World October 14, 2014 James Urquhart |
Good vibrations for electron microscopy The physical and chemical properties of materials will be better understood thanks to researchers who added vibrational spectroscopy to the electron microscope at a spatial resolution of just a few nanometers. |
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 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 May 8, 2013 Cara E Sutton |
Coming unstuck with DNA A DNA-based glue has been developed by scientists at the University of Illinois, US. The adhesive uses DNA base pair mimics that bind to each other more strongly than their natural counterparts and may lead to glues far more powerful than Super Glue. |
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 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 February 28, 2007 Simon Hadlington |
Individual Atoms' Chemical ID Revealed Researchers have demonstrated for the first time that atomic force microscopy can be used to reveal the chemical identity of individual atoms on a surface at room temperature. |
Chemistry World January 28, 2009 Phillip Broadwith |
Water spilt with aluminium Aluminium clusters' ability to split water molecules and release hydrogen is dictated by the geometric arrangement of active sites on their surface, US scientists have discovered. |
Chemistry World December 4, 2006 Richard Van Noorden |
Hydrogen Gets Promiscuous Hydrogen is a more promiscuous element than chemists have appreciated: it can form up to six strong chemical bonds in some solids, researchers report. |
Chemistry World June 25, 2015 Matthew Gunther |
Z machine puts the squeeze on metallic deuterium Scientists in the US and Germany have successfully transformed liquid deuterium into a metal at pressures rivaling those at the center of our own planet. |
Chemistry World July 30, 2007 Lewis Brindley |
AFM Tip Feels Nano-Surfaces Scientists in the US have developed an artificial fingertip that boosts the resolution of atomic force microscopy, a technique that opens a window onto the nanoscale world. |
Chemistry World October 11, 2013 Andy Extance |
'Tetrel bonding' emerges from I -hole Researchers have coined the term 'tetrel bonding' to highlight little-studied but powerful non-covalent bonding between electron donors and the group 14 elements, silicon, germanium and tin. |
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 May 20, 2008 Philip Ball |
Core electrons' quantum jig revealed Experiments in quantum mechanics are a little like conversations: the answer you get depends on how you ask the question. |
Chemistry World November 3, 2010 Andy Extance |
Hydrogen bond set to be redefined The world authority on chemical nomenclature is preparing to scrap the familiar hydrogen bond definition, in light of recent evidence about its true nature. |
Chemistry World September 7, 2006 Tom Westgate |
Molecular Framework Sucks up Hydrogen Researchers have now developed a coordination framework material that is the best yet in terms of hydrogen storage. However, the materials currently require low temperatures to achieve the high loading of hydrogen. |