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Technology Research News December 29, 2004 |
Molecular Motor Goes Both Ways Researchers have constructed a molecular motor that can spin in either direction, much like the biological molecular motors involved in many of life's processes. The motor could eventually be used in nanotechnology applications. |
Reactive Reports Issue 33 David Bradley |
The Miniature Rotarians Tiny interlocking wheels are the components of a miniscule molecular rotor designed and built by UK chemists. The submicroscopic invention offers a new motor-like component for those hoping to build nanotechnology from the bottom up. |
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 February 24, 2014 Andy Extance |
Molecular motors aim to pass water Water droplets whose shape mysteriously shifts when the surface underneath them is exposed to light could become nanotech-powered chemistry vessels. |
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. |
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 November 9, 2011 Phillip Broadwith |
World's smallest remote control car debuts A tiny remote-controlled four-wheel drive electric vehicle has been made by chemists in the Netherlands. The single molecule car's 'wheels' can be made to turn in response to tiny electrical pulses, propelling it across a surface. |
Chemistry World January 2010 Philip Ball |
Welcome to the machine Molecular machines have promised so much but are they more whimsical than technical? |
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 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 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 November 1, 2010 Laura Howes |
Molecular motors find reverse gear Ben Feringa's group at the University of Groningen in the Netherlands been working with molecular motors for years, making small organic molecules that rotate when exposed to light. However, until now these motors have only had a forward gear. |
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 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 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. |
Technology Research News June 18, 2003 Kimberly Patch |
Prefab key to molecular memory Nano-devices promise to use molecules as super-fast computer circuits, store fantastic amounts of information in a minuscule area and sense minute amounts of chemicals and biological materials. Researchers have brought these possibilities a step closer. |
Technology Research News January 26, 2005 |
The How It Works Files Nanotechnology: The laws of physics behave differently at very small scales. At the nanoscale, electrons travel more quickly through wires, transistors can mete out electrons one at a time, objects stick to each other, and light can bend matter. |
Technology Research News October 8, 2003 |
Nanotubes harvest electrons Researchers from the University of Bologna and the University of Trieste in Italy, and the University of Notre Dame have found a way to alter carbon nanotubes so that they efficiently separate electrical charge. The method could lead to more efficient solar cells. |
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 January 11, 2010 Hayley Birch |
Locking molecular motors Dutch scientists have designed a molecular motor that can be locked using an acid and unlocked using a base. |
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 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 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. |
Technology Research News November 19, 2003 |
Molecular memory is electric Researchers from Osaka Kyoiku University in Japan have found a way to use a single molecule to store computer information. |
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. |
Technology Research News May 5, 2004 Eric Smalley |
Memory Stores Three Bits in One Researchers have built a prototype molecular memory device that stores three bits in the same spot, multiplying storage density without increasing the device footprint. |
Chemistry World May 4, 2010 Lewis Brindley |
Nanomachinery gets a spring in its step Molecular springs that always twist the same way are the latest addition to the nanomachinery toolbox. |
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 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 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 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 February 10, 2011 James Urquhart |
Molecular motor controls chirality A single molecule catalytic system that uses a light driven molecular motor to dynamically control the molecule's chiral states has been developed by scientists in the Netherlands. |
Chemistry World April 28, 2009 Jon Cartwright |
Metal ions give rise to threaded molecules Chemists in France have developed a simple method to synthesize tricky '[3]rotaxane' molecules for potential applications in intelligent materials and molecular machines. |
Technology Research News December 3, 2003 |
Molecule does two-step Duke University researchers have found a way to make a molecule react only when it has been hit by two photons of ultraviolet light, making the molecule a controllable switch. The molecule could eventually be used in optical storage devices and in biochips. |
Chemistry World November 15, 2011 Kate McAlpine |
Shedding light on ultracold reactions in space Two teams of researchers in the US and Europe have shown that light can play a bigger role than expected in the nascent field of ultracold atom-ion interactions. |
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 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. |
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 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. |
Technology Research News December 15, 2004 Kimberly Patch |
Molecule Harvests Water's Hydrogen The key to producing clean hydrogen energy is finding a non-polluting method to extract pure hydrogen from its most abundant source, water. Researchers have developed a supramolecular complex that could be used in devices that use light energy to extract hydrogen from water. |
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 March 2010 Philip Ball |
Column: The crucible Superatoms reinforce the notion that chemistry is more about electrons than elements, says the author |
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 March 20, 2007 Lionel Milgrom |
Chemical Model Unlocks Key Enzyme's Secrets The precise workings of cytochrome c oxidase (CcO), an enzyme that is crucial for all aerobic life, have been unveiled. |
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 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. |
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. |
Technology Research News April 20, 2005 |
Trapped Cells Make Micromotors Researchers have showed that it is possible to make live Chlamydomonas reinhardtii cells rotate while pinned in a laser trap. The energy of a light beam can be used to manipulate and trap cells much like the way wind moves objects a larger scale. |
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 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'. |