Similar Articles |
|
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. |
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. |
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 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 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 February 16, 2012 Simon Hadlington |
'Proton grease' speeds up molecular rotor A molecular rotor whose spin can be accelerated 10-million-fold when its mechanism is 'lubricated' by protons has been synthesized by chemists in the US. |
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 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 January 31, 2007 Lionel Milgrom |
Demon Ratchets up Nanotech Revolution Inspired by a 140-year-old conundrum, chemists have created a nanomachine that works like a ratchet, transporting molecules in only one direction. |
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 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 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 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 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. |
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 March 14, 2012 James Urquhart |
Catalysis at the flick of a switch German researchers have created a molecular nanoswitch that can be reversibly and repeatedly turned on and off to control a chemical reaction. |
Chemistry World January 5, 2016 Simon Hadlington |
Molecular robot opens the way to nano-assembly lines UK chemists have devised a nanoscale robot that can grasp a cargo molecule, pick it up, place it in a new position some distance away and release it. |
Chemistry World June 25, 2010 Phillip Broadwith |
Molecular machines shift into gear A set of molecular gears based on porphyrin complexes that can be chemically engaged and disengaged using acid or base has been created by Japanese researchers. |
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. |
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 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 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 January 2010 Philip Ball |
Welcome to the machine Molecular machines have promised so much but are they more whimsical than technical? |
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 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. |
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 October 26, 2012 Andy Extance |
Molecular muscle machines bulk up French researchers have made the longest molecular machines that can be shrunk on demand in a collective motion that emulate muscle fibers. |
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 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 |
Technology Research News November 5, 2003 |
Paired molecules store data Researchers from the University of California at Irvine have bonded a pair of molecules to form a molecule that has two states. The components are photochromic fulgimide and a dye molecule capable of florescence. |
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 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. |
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. |
CIO June 1, 2003 Bob Violino |
Powerful DNA Portable computer vendors like to boast about their small and lightweight devices. But their best efforts are nothing compared with programmable molecular computing machines composed of an enzyme and DNA molecules. |
Chemistry World March 29, 2006 Jon Evans |
Buckyballs Enter the Fast Lane A team of US chemists has developed a practical use for buckyballs: as wheels on a nanoscale car. The nanocar's development has revealed that nanoscale objects can move about in the same way as normal sized objects. |
Technology Research News June 29, 2005 |
Micro marbles make nano rings Using chemical methods, researchers have found a cheaper way to make nanoscale rings. The rings can then be used to make materials to bend light. |
Chemistry World December 11, 2007 Lewis Brindley |
Chemists Fake Virus Capsids Scientists have made molecular 'tiles' that stick together, mimicking the football-like outer shell of a virus. Such self-assembling molecular capsules would be big enough to hold drug molecules and could provide new ways to make nanoparticles. |
Technology Research News October 20, 2004 |
Mechanical valve design goes nano A combination of molecular modeling and classical engineering techniques were used to design a nanomechanical fluid valve that could (in 10 years) be used for drug delivery, biological and chemical testing, and fuel delivery for microscale and nanoscale engines. |
Chemistry World September 1, 2013 Laura Howes |
Water acts as a lubricant for molecular machines Small shuttles and wheels on axles made from single molecules can be sped up with a small amount of water. |
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, 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 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 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 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 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 January 5, 2011 Akshat Rathi |
Macromolecules from miniature templates UK researchers have designed a new highly effective method to construct large molecules of a defined size using simple templates. |
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 January 7, 2010 Simon Hadlington |
Giant nanowheel mystery solved Researchers have uncovered the mechanism behind how one of chemistry's most remarkable self-assembled structures, a giant molecular wheel made from molybdenum oxide, spontaneously manufactures itself. |