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Chemistry World August 17, 2015 Jennifer Newton |
Molecular Sierpinski triangles get stability upgrade A team in China has constructed fractal triangles on the molecular scale and this time, they're much more robust. |
Chemistry World March 2, 2015 Victoria Richards |
Spicing up MOFs Curcumin is top of the ingredients list for a highly porous metal -- organic framework being developed by scientists in China that demonstrates a unique co-release drug delivery system. |
Chemistry World November 21, 2013 Emily James |
Bucky-built MOFs Buckyballs can be used to build up a novel two-dimensional metal -- organic framework. |
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 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 August 17, 2010 Simon Hadlington |
A MOF you can scoff Chemists have accidentally discovered a new type of metal organic framework, or MOF, which is made from edible components. |
Chemistry World January 6, 2015 Jennifer Newton |
Light drives unusual rotaxane-to-catenane transformation Researchers in Europe have reported a mechanically-interlocked molecular system that can reversibly switch between being a rotaxane and a catenane. |
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 November 4, 2010 Mike Brown |
World's smallest chromatography column Single metal-organic framework crystals can be used to separate mixtures of dyes just like a miniature chromatography column, say scientists in the US. |
Chemistry World April 28, 2015 Jennifer Newton |
Defective by design Researchers in the UK and France have tuned the properties of a metal -- organic framework by deliberately engineering defects into its structure. |
Chemistry World August 21, 2015 Matthew Gunther |
Coating can drive down white LED light prices The cost of white LED lighting may be set to fall as scientists in the US have created an LED coating made from a relatively cheap luminescent metal -- organic framework. |
Chemistry World September 7, 2009 |
Bolt-on MOF catalysts Chemists in the US have shown that a class of hugely porous materials called metal-organic frameworks (MOFs) can have catalytic functions bolted onto the structure after it has been constructed to produce efficient catalysts that can be easily recovered and cycled many times. |
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 August 31, 2015 Matthew Gunther |
MOFs with a heart of glass Metal -- organic frameworks have long been the preserve of the solid state domain, but a group of scientists have now produced a molten MOF and cooled it to form a unique glass. |
Chemistry World March 27, 2013 Akshat Rathi |
Molecular cages to end crystallization nightmare X-ray crystallography has shaped modern chemistry. It is a powerful tool for molecular structural analysis. But it suffers from one big drawback: it can only analyze materials that form well-defined crystals. This may now be about to change. |
Chemistry World February 4, 2011 |
MOF magnets deliver drugs German scientists have encapsulated nanomagnets inside metal organic frameworks. The MOF magnets can be filled with a drug, which is released when a magnetic field is applied. |
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 July 4, 2014 Andy Extance |
Molecular sieve membranes look to greener separations US researchers have made molecular sieving fibers that open up new possibilities for large scale chemical separations that use much less energy than conventional distillation methods. |
Chemistry World April 30, 2015 Simon Hadlington |
Floppy polymer defies convention to form rigid framework Chemists in the US have turned received wisdom on its head by using floppy, linear polymers to construct a rigid, crystalline, three-dimensional metal -- organic framework. |
Chemistry World April 29, 2009 James Urquhart |
Huge pores in zeolite molecular sieve Researchers in Spain and Sweden have synthesized and structurally determined a new kind of crystalline molecular sieve with extra large holes and chiral properties. |
Chemistry World August 13, 2009 Lewis Brindley |
Picky MOF crystals show promise For the first time, researchers have modified metal-organic frameworks to selectively capture large organic molecules. |
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 September 15, 2011 James Mitchell Crow |
Polymer Side Chains on the Slide Researchers may now be able to create rotaxane polymers whose properties alter in response to chemical stimuli. |
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 June 25, 2013 Phillip Broadwith |
Porous materials break out of covalent cage Porous materials made from small molecular cages, rather than rigidly bonded frameworks, could be easier to process and have more tunable performance, say UK researchers. |
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 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 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 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. |
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 August 23, 2012 Yuandi Li |
Reversible photoswitch a boost for molecular electronics A team of international scientists has made a photocontrollable device, which, they say, shows potential for application in nanocircuits and helps the understanding of electrical conduction in molecular electronics. |
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 December 3, 2014 Cally Haynes |
One rotaxane, two catalytic stories A two-site supramolecular catalyst that can be programmed to mediate different reactions depending on its conformation has been designed by researchers in the UK. |
Chemistry World June 27, 2013 Ian Randall |
Molecular transistor for cheaper, greener electronics Chinese and Danish scientists have placed a transistor made from a single molecular monolayer onto an electronic chip. The new chip harnesses graphene oxide as a transparent electrode so that light can be used to switch the transistor. |
Chemistry World January 17, 2007 Richard Van Noorden |
Molecular Magnets of Mystery Researchers have discovered a new class of molecular magnets which work above room temperature. But why the magnets work, and what their structures are, remains a perplexing mystery. |
Chemistry World July 19, 2012 Helen Gray |
MOF gate opens selective CO2 gas storage door UK researchers have designed a metal -- organic framework that, unusually, selectively adsorbs CO 2 over ethyne by a dynamic gate-opening mechanism and has potential applications in fuel gas separation. |
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 September 26, 2014 Jennifer Newton |
James Crowley: Magicians rings and dumbbells on a molecular scale Research in Crowley's group combines synthetic organic, inorganic, organometallic and supramolecular chemistry to design and synthesize new functional materials. |
Chemistry World April 7, 2015 Hugh Cowley |
The Goldilocks of heterogeneous catalysis An international team of scientists has tethered palladium to a metal -- organic framework support using thiol groups normally associated with catalyst poisoning |
Chemistry World April 19, 2012 Amy Middleton-Gear |
Catalyst delivery and recovery using MOFs Although heteropolyacids are excellent homogeneous polyoxometalate catalysts, recovering these molecules at the end of a reaction is often tricky and can have an impact on their application. |
Chemistry World August 28, 2012 James Mitchell Crow |
MOF smashes gas storage ceiling Highly porous materials being developed as future fuel tanks for hydrogen- or methane-powered vehicles could hold much more gas than previously thought. |
Chemistry World February 3, 2009 Lewis Brindley |
Crack-proofing MOF membranes Chinese chemists have developed a way to reinforce metal-organic framework-based membranes to toughen them against cracking. |
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 May 27, 2015 Emma Stephen |
ZIF-8 disrupts ionic liquid deep freeze Researchers from Japan have combined an ionic liquid with a metal -- organic framework to produce an unusual material that retains its conductivity below -- 20 C. |
Reactive Reports May 2007 David Bradley |
Meeting of Molecular Movie Stars New footage confirms Linus Pauling's theory of chemical bonding proposed half a century ago, and could help explain molecular recognition processes important throughout supramolecular chemistry and molecular biology. |
Chemistry World July 3, 2014 Tami Spector |
Of atoms and aesthetics Molecular aesthetics means many things to a few people. For some it means tangible aspects of compounds; for others yet, the ways that chemists represent molecules. |
The Motley Fool October 19, 2004 Wherrett & Yelovich |
Attack of the Nanobots! You can fear nanotechnology, or you can profit from it. |
Chemistry World May 26, 2015 Matthew Gunther |
MOF catalyst capable of disabling chemical weapons Metal -- organic frameworks may become an essential tool to destroy chemical weapons as researchers in the US have found one that has the potential to rapidly break down nerve agents. |
CIO January 1, 2003 Julie Hanson |
The Next Little Thing Perhaps the Next Big Thing on the horizon, nanotechnology is the science of manipulating materials on an atomic or molecular scale. |
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. |