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Chemistry World March 10, 2010 Simon Hadlington |
Shape-shifting polymers A US researcher has shown how a so-called shape memory polymer - a material which can take on a temporary shape and then return to its permanent shape in response to an external stimulus - has the unusual ability to 'memorize' a range of different shapes. |
Chemistry World January 8, 2016 Simon Hadlington |
New shape memory polymer with a permanent twist The new kind of polymer's permanent shape can be changed multiple times, with the features from the previous shape remaining locked into the structure. |
Chemistry World March 28, 2012 Fay Nolan-Neylan |
Drug Release Polymer Triggered by Ultrasound Scientists have found that a drug-loaded shape memory polymer can be manipulated by ultrasound and that they can control when and how the drugs are released. |
Reactive Reports September 2005 David Bradley |
Nano Surprise A surprising mechanism by which polymers form nanocomposite particles could provide researchers with a new tool for controlling the growth of such materials. |
Reactive Reports December 2006 David Bradley |
Plastic Shape Shifter Temperature-controlled triple-shaped plastics that can change shape from one form to another, then another, have been developed by researchers. |
Technology Research News April 20, 2005 |
Ultraviolet Shifts Plastic's Shape Researchers have concocted a polymer material that can be switched from one shape to another in the presence of the right wavelengths of ultraviolet light. |
IndustryWeek February 1, 2008 Jill Jusko |
Polymers that Shift and Shape Georgia Tech researchers develop smart materials for biomedical applications. |
IndustryWeek January 1, 2007 Jill Jusko |
Materials -- Shape-Shifting Plastics New class of material can assume different shapes based on heat applications. |
Chemistry World November 10, 2011 Helen Gray |
Shrinky Dink origami powered by heat US scientists have devised a method of generating 3D structures from flat surfaces by printing patterns onto a polymeric children's toy and letting an IR heat lamp do the rest. |
Chemistry World July 17, 2012 Harriet Brewerton |
Pinning down cancer US scientists have synthesized pin-shaped nanoparticles with magnetic and optical properties. The nanoparticles could be used for magnetic resonance imaging, early detection and photothermal therapy of cancer and other diseases. |
Technology Research News February 25, 2004 |
Nanotubes boost shape recovery Researchers have mixed carbon nanotubes with polymer to make a plastic that is good at springing back into shape when heated. The shape memory polymers could be used in practical applications in five years, according to the researchers. |
Reactive Reports Issue 67 David Bradley |
Attractive Changing Colors Chemists have discovered that a simple magnet can be used to change the color of nanoparticles of iron oxide in aqueous suspension. |
Chemistry World December 4, 2007 Richard Van Noorden |
Polymer Chemistry Tackles Implant Concerns Advances in polymer chemistry could help resolve safety concerns surrounding body implants, such as stents to hold open clogged arteries, scientists heard at the Materials Research Society Fall meeting. |
Chemistry World January 12, 2012 Simon Hadlington |
Composites Reinforced in 3D A method that uses magnetic fields to align tiny structural elements within a polymer matrix has been developed by scientists in Switzerland. |
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. |
Chemistry World October 2, 2012 Fiona McKenzie |
Protein sorting within cells US scientists have used magnetic nanoparticles with specific ligands to latch on to and visualize specific proteins in living cells. |
Reactive Reports Issue 30 David Bradley |
Alloys spring to mind Alloys that 'remember' their original shape after being deformed and revert to it on heating are widely used in many diverse applications. Now, researchers have deposited a range of Ni-Mn-Ga alloys with different compositions simultaneously on to silicon substrates. |
Chemistry World October 19, 2009 Lewis Brindley |
Nanoparticles brought to order US researchers have developed a process that could bring the unusual properties of nanoparticles to a larger scale, by using small molecules to evenly space nanoparticles in a polymer composite. |
Chemistry World September 10, 2013 Emily Skinner |
Shape memory polymer hosts functional nanoparticles Scientists in China have developed a polymer scaffold for functional nanoparticles that can be folded and mangled but will reform into its original shape if it is placed in water. |
Technology Research News December 11, 2002 Eric Smalley |
Microscopic mix strengthens magnet Magnets are usually an either-or proposition. They either generate a strong magnetic field or they hold up well in the presence of external magnetic fields. A method that mixes the two types of magnets at the nanoscale could pave the way for smaller electric motors and generators. |
Chemistry World June 27, 2010 Simon Hadlington |
Nanoparticles allow remote control of cells In an experiment reminiscent of the mind-control rays that featured prominently in B-movies from the 1950s, scientists in the US have used a magnetic field to alter the behavior of an animal. |
Chemistry World July 20, 2011 Josh Howgego |
Magnets turn up the heat on tumours Claims that magnets can cure cancer might sound like quackery. But French researchers have harnessed iron oxide structures from bacteria to selectively kill tumour cells using an alternating magnetic field. |
Technology Research News April 6, 2005 |
Water Shifts Rubber's Shape Researchers have developed a material that can be shaped, but changes back to a permanent shape when immersed in water. |
Technology Research News April 21, 2004 |
Magnets Align Nanotubes in Resin Carbon nanotubes have great potential as components of new materials but aligning the tiny tubes can be tricky. Researchers from the Georgia Institute of Technology and Florida State University have developed a way to orient the nanotubes in a polymer mix using a magnetic field. |
Chemistry World July 13, 2010 Lewis Brindley |
Magnetic micro-machines made from liquid iron Chinese researchers have made microscopic springs and turbines by shining light through ferrofluids - liquids containing iron nanoparticles. |
Chemistry World August 23, 2010 James Urquhart |
Growing magnetic leaves A magnetic leaf has been created by researchers in Germany using a simple one-step process to synthesise a complex iron carbide microstructure that mimics the intricate structure of a leaf. |
Chemistry World July 25, 2013 Rowan Frame |
Nanomagnets clean blood Nanoparticles that never have to enter the body can capture harmful components in blood, scientists in Switzerland have shown. |
Chemistry World September 3, 2012 Phillip Broadwith |
Joining the unjoinable German researchers have developed a method for sticking together two of the most non-stick polymers known. Adding spiky nanoparticles between layers of Teflon and silicone bonds the layers together. |
Chemistry World July 3, 2013 Charlie Quigg |
Flat-pack structures build themselves Scientists in the US have developed flat pack structures that can autonomously assemble into three-dimensional shapes on application of an electrical current. |
Chemistry World October 7, 2012 David Bradley |
Magnetic nanoparticles zap cancer Nanoparticles can be used as a remote-controlled magnetic death switch to kill cancer cells, according to researchers from Korea. |
PC Magazine December 13, 2010 Jamie Lendino |
Scientists Develop Self-Healing Plastics Resarchers have now figured out a way to build plastic material that heals itself. |
Chemistry World July 25, 2014 Emma Stoye |
Magnetic nanocubes self-assemble into spirals Scientists have been coaxing nano-sized cubes of magnetite (Fe 3O 4) into larger, more complex structures like helices without using a template by exposing them to a magnetic field. |
Chemistry World December 3, 2010 Emma Shiells |
No stone left unturned in oil hunt Polymer coated nanoparticles could be used to detect unrecovered oil in mature oil fields, say US scientists. |
Chemistry World March 21, 2014 Richard Massey |
Magnetic field and pH synergy controls therapeutic burst Australian researchers have shown how alternating magnetic fields could be used to localize the release of cancer-fighting drugs to cancer cells, limiting side effects in the rest of the body. |
Reactive Reports December 2003 David Bradley |
Airy magnets Spanish researchers have created a new type of magnetic material that is ultra-light and transparent. The airy magnets could have applications in flat screen displays and magneto-optical memory devices for computers. |
Chemistry World July 13, 2007 Tom Westgate |
Colourful Colloids A simple mixture of iron oxide, a polymer and water can take on any color simply by applying a magnetic field. |
Chemistry World August 1, 2010 Phillip Broadwith |
Magnetic foam bends and stretches Flexible lightweight magnetic materials based on cellulose fibres and magnetic nanoparticles have been developed by European scientists. |
Chemistry World October 11, 2007 Jonathan Edwards |
'Tuneable' Polymer Can Separate Anything An international team of scientists have made a polymer with pores which can be fine-tuned to speedily separate different small molecules -- with applications ranging from carbon capture to fuel cells. |
Chemistry World February 18, 2009 Lewis Brindley |
Nanomaterials Blossom US researchers have found a new way to use magnetic fields to encourage nanoparticles to self-assemble into unique shapes. |
Technology Research News January 28, 2004 |
Nanorings promise big memory Researchers have found a way to cause magnetic cobalt nanoparticles to spontaneously assemble into rings that are less than 100 nanometers across. Because the molecule is small, memory made from it could hold a great deal of information. |
Chemistry World May 28, 2012 Simon Hadlington |
New shape for cross-linked polymers Researchers in the US and France believe they have found a new way to impart malleability into cross-linked polymers containing multiple double bonds. |
Chemistry World May 8, 2015 Michaela Muehlberg |
Polymers curl up and take control Scientists in Germany have successfully collapsed single polymer chains into dense nanoparticles, to make single-chain nanoparticles, by adding palladium. |
Chemistry World July 19, 2011 Jon Cartwright |
Magnetic Sponge Can Squeeze Itself Out Researchers in Japan and Singapore have created a sponge that can wring itself out upon application of a magnetic field. |
Chemistry World April 28, 2011 Laura Howes |
Polymer collapses in a flash Researchers in the Netherlands have created a polymer that folds up like a protein on exposure to light. |
Chemistry World July 26, 2006 Victoria Gill |
Reversible Glue `De-Bonds' at the Touch of a Button A new kind of superglue that uses nanoscale magnetic particles to bond and de-bond on command has been developed. |
Chemistry World April 7, 2009 Lewis Brindley |
Cells get in line Magnetic nanoparticles that 'shepherd' cells into neat lines have been designed by American scientists. |
Chemistry World November 22, 2012 Jon Cartwright |
Magnesium oxide might be liquid in super-Earths There may be more planets outside our solar system with protective magnetic fields than previously thought. That's the implication of a US study, which has demonstrated that the common planetary mineral magnesium oxide turns into a metallic liquid at high pressure. |
IEEE Spectrum August 2011 Hadjipanayis & Gabay |
The Incredible Pull of Nanocomposite Magnets Nanotechnology could make rare earth magnets even stronger. |
Chemistry World February 23, 2011 Simon Hadlington |
Polymer coat helps nanoparticles penetrate mucus US researchers have shown how biodegradable, medically safe polymer coatings can help nanoparticles penetrate the mucus lining that protects human tissues to deliver drugs efficiently. |
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. |