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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 May 14, 2010 Phillip Broadwith |
Powerful pocket sized NMR magnets Arrangements of chunks of permanent magnetic material that can be tweaked to give strong, uniform fields could open the door to more sensitive and higher resolution portable nuclear magnetic resonance spectrometers, say researchers in Germany. |
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. |
Technology Research News December 1, 2004 |
Smart Dust Gets Magnetic One of the main challenges in making labs-on-a-chip is finding ways to control and mix tiny amounts of liquids. Researchers are using minuscule silicon particles to carry out these tasks. |
IEEE Spectrum August 2011 Hadjipanayis & Gabay |
The Incredible Pull of Nanocomposite Magnets Nanotechnology could make rare earth magnets even stronger. |
Chemistry World October 25, 2013 James Urquhart |
Water droplets warped into weird shapes US scientists have discovered that self-assembling nanoparticles can lock water droplets into different shapes. The team suggests the work could be useful for several applications including microfluidic devices, sensors and drug delivery. |
Chemistry World August 17, 2012 Philip Ball |
Getting under water's skin The surface tension of water is explained in textbooks with pictures showing water molecules pulling each other sideways and downwards at the liquid surface, producing a kind of surface 'skin'. |
Chemistry World July 20, 2009 Philip Ball |
Researchers form first liquid protein Chemists at the University of Bristol, UK and their colleagues, in collaboration with the Max Planck Institute for Colloid and Interface Research in Golm, Germany, have figured out how to convert pure proteins into a liquid state, without any solvent. |
Chemistry World August 15, 2013 William Bergius |
Destroying stable foam on demand The first example of stable and environmentally friendly foam that can be broken down by any one of three external stimuli has been developed by an international team of scientists. |
Chemistry World May 29, 2008 Richard Van Noorden |
Surfactants stop microbubbles popping for a year Tiny bubbles of air can last for over a year if they are covered in elastic shields of surfactant, US scientists have found. A long-lasting dispersion of bubbles this small, they suggest, might improve the properties of foams, paints, contrast agents. |
Chemistry World August 17, 2006 Tom Westgate |
Switchable Surfactants Give on-Demand Emulsions Oil and water can now be mixed or separated simply by bubbling carbon dioxide or air through the blend, thanks to a molecule developed by Canadian chemists. |
Chemistry World June 6, 2010 Philip Ball |
Blood-like liquid protein formed A liquid form of the oxygen-binding protein myoglobin retains its biological function even though it seems virtually water-free, researchers have found. |
Chemistry World December 23, 2015 Philip Ball |
Freezing oil droplets put on a show Researchers shown that liquid drops of oily hexadecane, coated with a surfactant and floating on water, can adopt geometric shapes seemingly more appropriate to crystals. |
Chemistry World September 25, 2007 Richard Van Noorden |
Magnetic Dreams Disputed Magnetochemists are disputing the breakthrough discovery of a metal-organic material which its inventors claimed to be magnetic at room temperature and stable in air. |
Chemistry World July 20, 2012 Simon Hadlington |
New type of chemical bond around dwarf stars The work, led by Trygve Helgaker at the University of Oslo in Norway, not only provides insights into fundamental aspects of electronic interactions with magnetic fields, but also sheds light on the exotic chemistry that exists in stellar environments. |
Chemistry World December 19, 2013 Emily Skinner |
Reclaiming spilt oil Scientists in Canada have shown they can recover oil from contaminated sand using surfactants whose emulsion stabilizing ability is deactivated by carbon dioxide. |
Chemistry World October 28, 2014 Simon Hadlington |
Molecular magnet goes ultracool Researchers have succeeded in cooling a molecular magnet to below 1K, the first time this has been achieved with a nanomagnet. |
Chemistry World March 20, 2008 James Mitchell Crow |
Surfactants Help Reactions Work in Water Scientists have discovered a surfactant that allows the catalytic organic reactions commonly used to assemble organic structures such as drug molecules to be run in water. |
Technology Research News February 23, 2005 |
Metal atoms make silicon magnetic Devices made from magnetic semiconductors can make use of the spin of the electron in addition to its charge. These spintronics devices are potentially faster and consume less power than today' electronics. |
Chemistry World November 28, 2007 Richard Van Noorden |
Magnetic Field Detectors for Less Than a Penny Cheap electronic components industrially manufactured in their millions every year are also smart materials that can sense magnetic fields without any external power supply, UK scientists have discovered. |
Reactive Reports December 2003 David Bradley |
Mo' Better Blues Vesicles form from molybdenum wheels, giving rise to deep blue water. |
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. |
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. |
Popular Mechanics March 2003 Paul Eisenstein |
World's Most Powerful Magnet The "magnetar," or magnetic neutron star known as Soft Gamma Repeater 1806-20, is the most powerful known magnetic object in the universe. While it's unlikely anything man-made will ever come close to the power of a magnetar, it's not for lack of trying. |
Technology Research News July 13, 2005 |
Magnetics Drives Particle Patterns Researchers have devised a way to use electric and magnetic fields to assemble magnetic microparticles into a wide variety of patterns, including clusters, rings, chains and networks. |
Geotimes May 2004 Sara Pratt |
Deciphering Planetary Magnetism Neptune and Uranus both have unusual magnetic fields that tilt at a 60-degree angle toward their equators. Scientists are now able to model the processes that shape the planets' magnetism. |
Chemistry World April 30, 2008 Lewis Brindley |
Chemical compass clue to migration mystery Trying to identify the mysterious innate compass that many animals use to navigate the globe, chemists at the University of Oxford, UK, have shown for the first time that the Earth's magnetic field can influence the outcome of a chemical reaction. |
IEEE Spectrum September 2008 Willie D. Jones |
World's Most Powerful Magnet Under Construction One hundred tesla without self-destructing |
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 September 3, 2008 Hayley Birch |
Double emulsions could carry combination therapies US scientists have made nanoscale water-in-oil-in-water emulsions that could have important applications in drug delivery. |
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. |
Chemistry World August 2, 2012 Philip Ball |
Polymer replacement for the hydration shell The sheath of water molecules, called a hydration shell, that gives protein molecules the flexibility to do their catalytic job can be replaced by polymers, according to Adam Perriman of the University of Bristol and his coworkers. |
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. |
Chemistry World August 21, 2007 Simon Hadlington |
Switchable Surfactant Could Cut Laundry Water Waste Researchers have developed a switchable detergent that could transform laundry day by washing out of clothes with hardly any need for a rinse cycle. |
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 August 1, 2008 James Mitchell Crow |
High hopes for new UK neutron source The ISIS synchrotron at the Rutherford Appleton Laboratory, Oxfordshire, UK, has launched a second target station for neutron beams which will allow scientists to study a range of new systems |
Chemistry World July 21, 2011 Serin Dabb |
Small Wires Swim Through Serum for Drug Delivery US researchers have made nanowires that can be propelled through liquids with an external magnetic field. The wires could be used to deliver drugs in the human body. |
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. |
Technology Research News August 25, 2004 |
Photosynthesis Drives Solar Cell Researchers have mixed biology and electronics in solar cells that use photosynthetic spinach leaf molecules or photosynthetic bacteria to convert light to electricity. |
Technology Research News July 30, 2003 |
See-through magnets hang tough Researchers from the Independent University of Barcelona (UAB) and the University of Zaragoza in Spain have found a way to form transparent, durable, lightweight magnets that maintain their magnetism in magnetic fields and high temperatures. |
Chemistry World November 21, 2014 Simon Hadlington |
Magnetic resonance taken to the limit Researchers in the US have taken magnetic resonance imaging to its extreme by developing a technique to detect the spin of a single nucleus. |
Chemistry World August 23, 2010 Lewis Brindley |
Microscopic barcodes with extra stirring A way to label molecules with colourful barcodes has been developed by chemists in South Korea. |
Chemistry World June 14, 2012 Russell Johnson |
Surfactant driven propulsion A small autonomous boat powered by a volatile surfactant has been developed by scientists in Finland and Israel. The surfactant modifies the surface tension of the liquid it floats on to create a surface tension gradient that propels the boat forward. |
Chemistry World June 2009 Michael Gross |
Bubble-wrapped frogs Tropical frogs create remarkable protein foams to protect their spawn. Exploration of the underlying chemistry has only just begun |
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. |
Technology Research News January 1, 2003 Kimberly Patch |
Aligned fields could speed storage Researchers from three institutes in Germany and Russia have found a material whose electric and magnetic domains line up together. The work could bring together the currently separate fields of magnetic and electronic data storage, which would give both methods more flexibility. |
Chemistry World February 28, 2006 Jon Evans |
Magnetic Appeal of Shape-Change Polymer Polymer scientists developed polymers that change shape in response to a magnetic field by incorporating magnetic iron(III)oxide nanoparticles into a shape-memory polyetherurethane compound known as TFX. |
Chemistry World June 18, 2008 Lewis Brindley |
Micro-magnets promise colour MRI scans Microscopic magnets could one day brighten up grey-scale magnetic resonance imaging (MRI) scans, according to scientists in the US. |
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 5, 2008 James Mitchell Crow |
Caterpillars fight off ants with surfactant spit Caterpillars and related bugs can fight off insect predators by vomiting a surfactant solution over unwitting attackers, scientists have found. |