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Chemistry World
November 27, 2013
Emma Stoye
Magnetic replicas capture pollen's sticking power The replica particles are identically shaped to the original pollen grains, which allows them to stick to surfaces like polystyrene using van der Waals forces. Converting pollen into these iron oxide replicas could be a useful way to manufacture adhesive microparticles. mark for My Articles similar articles
Chemistry World
September 17, 2008
Hayley Birch
Colloids twist like DNA French scientists have used magnetic colloids to make self-assembling, helical structures reminiscent of DNA mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Technology Research News
March 26, 2003
Rubber stamp writes data Scientists from IBM's Almaden research center have found a way to quickly transfer information from a magnetic mask to a magnetic disk. The method promises to make it considerably quicker to format and copy magnetic media in bulk. mark for My Articles similar articles
Chemistry World
November 21, 2012
James Urquhart
Two-faced particles self-assemble in sync US scientists have synchronized the motion of colloidal magnetic spheres with a rotating magnetic field and found that the particles self-organize into micrometer-sized tubes. mark for My Articles similar articles
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. mark for My Articles similar articles
IEEE Spectrum
September 2007
Joshua J. Romero
Magnetic Storage Taken to the Atomic Scale International team of scientists learns to read and write data on islands of atoms. mark for My Articles similar articles
Geotimes
June 2007
Kathryn Hansen
So, When Did Earth Become Attractive? Ever since Earth's protective field was discovered in 1958, scientists have been wondering when did the planet grow up and become attractive? mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Technology Research News
May 5, 2004
Nano Wires Make Tiny Compasses Researchers have built compass needles as small as 20 by 200 nanometers, which could be used to measure magnetic fields at the nanoscale and to orient nanosized wires during the process of building molecular-sized structures. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
November 15, 2011
Phillip Broadwith
Creating a toolbox for nanoparticle synthesis Hybrid nanoparticles made from several different materials that can be built up in a controlled and directed manner have been created by chemists in the US. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
September 2, 2009
Nina Notman
Designing 3D DNA crystals US scientists have found that DNA triangles can be designed to self-assemble into three dimensional, macro-sized crystals. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
October 22, 2013
Simon Hadlington
Virtual molds cast colloid Blue Mosque A way to direct colloids to self-assemble in an almost infinite variety of configurations has been devised. The technique relies on the creation of a pre-determined pattern of magnetic fields to generate a 'virtual mold' to dictate the final position of the particles. mark for My Articles similar articles
Chemistry World
May 13, 2015
Heather Powell
Electricity harvested from magnetic noise Wireless battery charging may benefit from a new generator that harnesses magnetic energy from our environment. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
December 10, 2007
Killugudi Jayaraman
Scientists Trap Light in Nano-Soup Physicists in India, have demonstrated how to trap and retrieve light using a soup of micro- and nano-sized magnetic spheres. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
March 5, 2012
Phillip Broadwith
Magnetic Levitation to Measure Protein Binding A simple device made from two magnets, some polymer beads and a tube of liquid can measure how strongly a protein binds to a ligand. mark for My Articles similar articles
Geotimes
July 2006
Kathryn Hansen
Ship Logs Record Earth's Magnetism New information gleaned from old ships' logs is now leading to a better understanding of the magnetic field's past strength, which is turning out to be more erratic than some scientists previously thought. mark for My Articles similar articles
Chemistry World
October 27, 2014
Tim Wogan
Folding rules used to build unnatural proteins Scientists in the UK and US have designed and synthesized unnatural protein structures, using theoretical calculations to explore the factors affecting protein folding and stability. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
September 14, 2009
Simon Hadlington
New 'on-off' membrane for drug delivery A team led by Daniel Kohane of Harvard Medical School in Boston, US, harnessed the thermosensitive properties of poly(N-isopropylacrylamide) to form the basis of the new system. mark for My Articles similar articles
Technology Research News
December 31, 2003
Shape key to strong sensors Researchers have found a possible explanation for why a pair of semiconducting compounds -- mixes of silver and selenium or tellurium -- are strong magnetic sensors over a wide range of magnetic field strengths. mark for My Articles similar articles
Technology Research News
November 17, 2004
Atom Flip Energy Measured Scientists have measured the energy required to flip the magnetic orientation, or spin of a single atom trapped on a surface. mark for My Articles similar articles
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. mark for My Articles similar articles
IEEE Spectrum
September 2006
Charles Q. Choi
Nanomagnets to the Rescue If, as seems possible, magnetic nanocomposites can be manufactured directly on chips, engineers could design computers that are smaller and, equally important, cooler than anything available today. mark for My Articles similar articles
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. mark for My Articles similar articles
Technology Research News
July 2, 2003
Material helps bits beat heat Researchers have discovered a way to shore up magnetic energy that promises bits only a few nanometers across -- the span of a few dozen hydrogen atoms. The method could make it possible to store more than a trillion bits per square inch, according to the researchers. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
November 17, 2015
Emma Stoye
Magnetic 'compass' protein found in fruit flies The rod-shaped protein can align with a magnetic field, and forms a complex with light-sensitive cryptochrome proteins, which scientists have long suspected may be involved in magnetoreception. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Geotimes
September 2004
Sara Pratt
Magnetic Murals Geophysicists and archaeologists are using the record of Earth's magnetic field, fixed in the red pigments of those murals, to build a historical timeline for Mesoamerica using the colorful ancient murals hidden inside Mexican temples. mark for My Articles similar articles
Technology Research News
February 25, 2004
Hot tip boosts disk capacity Many research efforts are aimed at increasing the amount of information that can be stored in a given area of magnetic media like computer disks. One challenge is making smaller magnetic bits that are stable at room temperature. mark for My Articles similar articles