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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 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 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 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 30, 2013 Laura Howes |
Catching a reaction in the act A Berkeley team used an atomic force microscopy needle with a carbon monoxide molecule adsorbed onto the tip to actually watch a reaction taking place and capture these snapshots of it. |
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 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 August 27, 2015 Jon Cartwright |
AFM pictures show bond polarity Researchers in Germany and the Czech Republic have improved the clarity of atomic force microscopy to probe the distribution of charges within atoms and molecules. |
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 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 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 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. |
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 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 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 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 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 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 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. |
Reactive Reports November 2005 David Bradley |
Water, Water How a strand of water just a few molecules thick could provide nanoscale clues about water's intriguing properties and why water is the dread enemy of atomic force microscopy. |
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 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 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 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 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 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 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 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 May 28, 2012 Phillip Broadwith |
Photo-finish for Olympicene UK chemists have synthesized and imaged a molecule that closely resembles the Olympic rings. |
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. |
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. |
Chemistry World September 6, 2013 Melissae Fellet |
Unravelling stereochemistry via mass spectrometry Researchers have used mass spectrometry to determine the stereochemistry of a prototypical chiral molecule, CHBrClF. |
Technology Research News March 26, 2003 Eric Smalley |
Molecule toggle makes nano logic A popular trend in technology research is copying nature, and another source of inspiration is the world of everyday objects. Researchers at Hewlett-Packard Laboratories have proposed a series of molecules that work like ordinary light switches. |
Chemistry World October 25, 2007 Jonathan Edwards |
Nanotube Gives Ultimate Force Measurement US researchers have pushed chemical force microscopy (CFM) to its ultimate limit by measuring the interaction of a single functional group with a carbon nanotube. |
Chemistry World October 27, 2010 Laura Howes |
Single molecule magnets line up Italian researchers claim that they've bound a single molecule magnet to a gold surface, whilst retaining the magnet's properties. |
Chemistry World February 28, 2010 Jon Cartwright |
Reactions on DNA origami watched with AFM Chemists in Denmark have for the first time imaged chemical reactions on a DNA origami scaffold so that they can precisely attach single molecules, involving atomic force microscopy. |
Chemistry World September 23, 2014 Katrina Kramer |
One-shot tomography gives atomic-scale 3D images Researchers from Germany and China have developed a method to obtain a 3D image of a nanocrystal, with atomic resolution, using just a single 1D snapshot. |
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 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 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 November 24, 2011 Phillip Broadwith |
Rewriting the rules for polar molecules A molecule containing two atoms of the same element can have a permanent electric dipole, say US and German scientists, contradicting the traditional view of molecular polarity. |
Chemistry World August 21, 2012 James Mitchell Crow |
Watching single nanoparticles work By shining laser light on the modified tip of an atomic force microscope), researchers in Germany and the Netherlands have been able to watch a catalytic reaction in real time, zoomed right in to the nanoscale. |
Chemistry World December 23, 2009 Phillip Broadwith |
Opening the gate for molecular electronics Chemists in Korea and the US have shown that the current running through a transistor made of a single molecule can be regulated by tweaking its molecular orbital energies. |
Chemistry World February 21, 2007 Simon Hadlington |
Organic Electricity Generator is Hot Stuff Researchers have successfully demonstrated the thermoelectric effect in an organic molecule. The findings open up the possibility of potential new energy sources, and also present a novel way for probing the electronic structure of molecular junctions. |
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 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 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 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 March 28, 2007 Victoria Gill |
New Limits Set on Chirality Researchers have set a new standard in stereochemistry. Measuring Raman optical activity, they have confirmed the spatial arrangement of a molecule with almost impossibly subtle chirality: (R)-[ 2H 1, 2H 2, 2H 3]-neopentane. |