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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. |
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. |
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. |
Chemistry World February 8, 2006 Jon Evans |
To Boldly go Where no Chemist Has Gone Before Studying the interactions between different molecular fragments is taking researchers to the uncharted regions of chemical space. |
Chemistry World July 30, 2013 Jon Cartwright |
Maxwell's demon gets scribbling Researchers in the US have put a new twist on the idea of Maxwell's demon, claiming to show theoretically how the second law of thermodynamics can remain intact if the demon is allowed to scribble down random information. |
Chemistry World January 24, 2007 Lionel Milgrom |
Chemical Computing Creates World's Densest Data Storage Medium A vital piece of nanoelectronic circuitry has been produced which could bring molecular computers a step closer. |
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 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 January 22, 2007 Richard Van Noorden |
First Synchrotron for Neutral Molecules Scientists have built and demonstrated the first synchrotron to work on neutral molecules. It could be used to study collisions of cold, slow-moving molecules, allowing chemists to probe their behavior with a resolution impossible to achieve at higher temperatures. |
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. |
Chemistry World January 10, 2013 Laura Howes |
Rotaxane mimics ribosome to spin out peptides The field of molecular machines has taken a new bio-inspired turn to assemble another molecule, in this case linking up individual amino acids into a peptide. |
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. |
Chemistry World May 21, 2015 Simon Hadlington |
Molecular pump points way to non-equilibrium chemistry Researchers in the US have developed an artificial molecular pump which can accumulate small, highly charged molecules against a concentration gradient. |
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 9, 2009 Lewis Brindley |
Daisy-chain polymers bring artificial muscles a step closer American chemists have made molecular 'daisy-chains' containing threaded rings that can be pulled taut or slackened by chemical stimuli. |
Chemistry World December 21, 2009 Simon Hadlington |
'Two-legged' molecular walker takes a stroll UK chemists have designed a two-legged molecule that can walk up and down a straight molecular track. The system could form the basis for artificial linear molecular motors that can transport cargoes in a way similar to molecular machines used in nature. |
Chemistry World April 19, 2012 Simon Hadlington |
Controlling an organocatalyst with pH UK chemists have designed an organocatalyst that can be mechanically switched on and off simply by changing the pH. |
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 April 18, 2010 Simon Hadlington |
First DNA rotaxane Rotaxanes are dumbbell-shaped molecules encircled by a molecular hoop that can move unhindered along the axle, trapped by the bulky stoppers at either end. These could be useful components in molecular machines. |
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 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 November 17, 2015 Matthew Gunther |
Rotaxane raises the bar for self-replicating chemical systems Scientists in the UK and Malaysia have created a self-assembling rotaxane that can replicate itself. The result may lead to the development of autonomous chemical systems that mimic cellular processes. |
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 October 19, 2007 Richard Van Noorden |
Building Tomorrow's Nanofactory UK scientists have been granted 2.5 million pounds to invent a nanomachine that can build materials molecule by molecule. Such a robot doesn't -- and may never -- exist, though it has been imagined for over half a century. |
Chemistry World March 2009 Philip Ball |
Column: The crucible Thermal motions on the molecular scale are not just useless noise |
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. |
Reactive Reports Issue 63 David Bradley |
Chemists Go Round the Bend Chemists often think of molecular wires as "shape-persistent" rods with limited flexibility, but researchers have now shown that molecular wires can be bent into ring shapes. |
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 4, 2015 Matthew Gunther |
Molecular shuttle slides into the solid state Scientists in Canada have for the first time incorporated a 'molecular shuttle' into a metal -- organic framework, raising the possibility of future solid-state nanotechnologies based on interlocking molecules. |
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. |
Technology Research News March 24, 2004 Eric Smalley |
Molecular logic proposed Researchers from the French National Center for Scientific Research (CNRS) and University College London in England have devised a scheme for designing logic circuits within individual molecules. |
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 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. |
Technology Research News January 29, 2003 Kimberly Patch |
Bumpy surface stores data Cramming more data into a given storage device is all about making bits that are extremely small and consistently spaced. Using individual molecules to store bits would be a tremendous leap forward. One molecule gaining researchers' attention is rotaxane. |
Chemistry World May 18, 2011 James Urquhart |
Throwing light on molecular logic gates The multifunctional molecule, which can be reconfigured by light, could be used in data storage devices and biomedicine, including nanoparticle tracking and drug delivery. |
Chemistry World August 8, 2006 |
Single Molecule Makes Electronic Switch A single molecule, trapped between two electrodes, acts as a switch and has a `memory' of the type used in data storage, researchers have found. |
Chemistry World June 12, 2013 Kirsty Muirhead |
An end to chasing molecules that were never there? Ariel Sarotti from the Rosario National University, Argentina, has developed a new, computationally inexpensive method combining calculated and experimental 13C NMR data to flag up incorrect structures. |
Chemistry World January 30, 2014 Jessica Cocker |
Crystal structure highlights buckycatcher's flexibility Chemists in the US have successfully isolated the first anion of a distinctive type of pincer molecule, known as a buckycatcher, and confirmed the extraordinary flexibility it has for encapsulating guest molecules. |
Chemistry World July 23, 2012 Melissae Fellet |
RNA wrapper protects small molecules Step aside benzene rings, there's a new protecting group in town. Dutch researchers have used a strand of RNA to cover portions of a complex small molecule. They then chemically modified a portion of the molecule not covered by the RNA. |
Technology Research News August 27, 2003 |
Light makes molecule shine Researchers from Kyushu University in Japan have constructed a fluorescent molecule that can be repeatedly switched on and off. If a way can be found to switch individual, closely-packed molecules on and off, fantastic amounts of information could be stored in very small spaces. |
Chemistry World June 12, 2008 Michael Gross |
Light Drives Plastic Motor Chemists in Japan have built a rotary motor driven purely by light shining onto a polymer film. |
Wired Erin Biba |
Molecular Frameworks, the Building Blocks of All Life The world is complicated, but not as complicated as you might think. Most organic molecules derive from a few relatively simple architectures. |
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. |
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 September 20, 2012 Jon Evans |
World's smallest ice cube created Ice crystals must contain at least 275 water molecules, say German chemists. This size limit has implications for any process that involves ice particles, from cloud formation to making the perfect gin and tonic. |
Chemistry World November 8, 2012 Laura Howes |
Self-tying trefoil knot If knotting up molecules is so difficult why not take a tip from nature and get the molecules to do the work for you? This is what Cambridge University researchers found when one of their molecules did indeed tie itself in knots. |
Chemistry World August 9, 2007 Kira Welter |
Molecular Heatwave Spreads at Ferocious Pace Wildfires spread frighteningly fast, but thankfully not at kilometers per second pace. That's the rate at which heat rips through a molecule. |
Reactive Reports December 2006 David Bradley |
Blood, Light, and Water Two molecules that occur naturally in blood have been engineered by scientists to use sunlight to split water into hydrogen and oxygen. |
Chemistry World December 14, 2011 Kate McAlpine |
Artificial intelligence for quantum chemistry Quantum chemical approximations don't always need to start from scratch, says an international team of researchers. Algorithms can now be used to predict the atomisation energy of huge numbers of molecules |
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. |