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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. |
Chemistry World August 14, 2009 Jon Cartwright |
Nanomotors detect trace silver Researchers in the US and Germany have found that the speed of synthetic 'nanomotors' responds to nearby concentrations of silver. |
Technology Research News June 2, 2004 |
Plastic Nanowires Sense Gasses Cornell University researchers have devised a simple way to position conducting polymer nanowires on an electrode, and have made a prototype high-speed chemical detector that is capable of sensing minuscule amounts of ammonia gas. |
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 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 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. |
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. |
Technology Research News March 26, 2003 |
Hydrogen yields smaller nanowires Researchers from City University of Hong Kong in China have produced silicon wires that are smaller than any made before. |
Chemistry World March 3, 2009 Lewis Brindley |
Sweet-toothed bacteria make their own vaccine With careful feeding, bacteria can produce vaccines against themselves, scientists in the US and China have found. |
Chemistry World February 13, 2008 Simon Hadlington |
Clothes Power up Thanks to Nanowires Researchers in the US have invented a yarn that can generate electricity simply by being bent or twisted. |
Chemistry World August 11, 2006 Tom Westgate |
Nanomachines Power up with Piezoelectricity Nanomachines sound like a great idea, but where is the nanobattery to power them? The problem could be solved with piezolelectric nanowires (NWs), tiny strips of matter a few atoms wide that give out electricity when they are flexed. |
Chemistry World January 26, 2012 Simon Hadlington |
The world's first magnetic soap Researchers have created a liquid surfactant that can be moved by a magnet. |
Technology Research News October 8, 2003 |
Process orders nanowire arrays Harvard University researchers have found a way to neatly layer and pattern rows of nanowires. |
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. |
Chemistry World February 24, 2010 Hayley Birch |
Marine microbes wired up A new study provides evidence for the existence of naturally occurring electric circuits orchestrated by marine bacteria. |
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 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 June 24, 2011 Rebecca Brodie |
Nanogenerators for environmental sensors A nanomaterial-based, self-powered sensor that detects mercury in water has been developed by teams from the US and Korea. |
Technology Research News January 28, 2004 Eric Smalley |
Chemicals map nanowire arrays There are two challenges to getting nanowire arrays ready for prime time -- finding ways of accessing any particular nanowire junction, and connecting the devices to the outside world. Chemically modifying the right junctions could solve both problems. |
Technology Research News July 30, 2003 |
Crystal cracks nurture nanowires Researchers from the University of Tokyo in Japan have devised a way to form titanium nanowires within an intentionally flawed sapphire. |
Chemistry World August 29, 2006 Simon Hadlington |
Bacteria Put New Spin on Micromotors Researchers have used motile bacteria to rotate a microscopic motor made from silicon. The team believes that their system -- fuelled by glucose -- is the first micromechanical device to integrate inorganic materials with living bacteria. |
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. |
Scientific American May 2007 Charles Q. Choi |
Structured Settings Researchers have taken big steps in creating and using nanostructures that have eluded manipulation in the past. |
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 24, 2014 Elisabeth Ratcliffe |
Human protein cleans drinking water Researchers in Japan have shown that they can remove Escherichia coli from drinking water using tiny tubes made of human serum albumin. |
Chemistry World January 14, 2011 Laura Howes |
Size matters in piezoelectric materials Nanowires that produce current when bent and deformed can show huge improvements in efficiency as their diameters are shrunk. The findings will help advance research to power technology at the nanoscale. |
Chemistry World October 30, 2015 Cesar Palmero |
Microscopic pumps made from trapped bacteria Scientists in China have trapped bacteria in 3D-printed structures and used them to pump materials along customized paths. |
Technology Research News March 9, 2005 |
Avalanches up Disk Storage Researchers have constructed a spin-valve transistor that is more sensitive to microscopic magnetic fields than the devices that read today's commercial hard drives. |
Chemistry World April 5, 2007 Lewis Brindley |
Ultrasonic Waves to Power Future Nanomachines A team of materials scientists has developed an innovative nano-scale power supply which is fueled by ultrasonic waves. The scientists predict that their nanogenerator could power the next generation of nanomachines. |
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 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. |
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 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. |
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. |
Chemistry World August 3, 2010 Lewis Brindley |
Nanoparticles and ultrasound team up to treat tumors A new, non-invasive method to deliver drugs to the brain has been developed by Taiwanese researchers. |
Technology Research News November 3, 2004 Eric Smalley |
Single Field Shapes Quantum Bits Researchers have recently realized that it may be possible to control the electrons in a quantum computer using a single magnetic field rather than having to produce extremely small, precisely focused magnetic fields for each electron. |
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. |
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 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. |
Technology Research News March 24, 2004 |
Nanowires span silicon contacts One challenge in making electronics at the size-scale of molecules is finding ways to position and attach nanowires to the tiny components. Researchers from Hewlett-Packard Laboratories have succeeded in growning nanowires between electrodes. |
Technology Research News October 8, 2003 Eric Smalley |
Magnetic memory makes logic Magnetic memory will soon put an end to the daily annoyance of waiting while your computer boots up from its hard disk. These chips that hold data when the power is off might also be capable of a lot more. Adding a few extra wires to each memory cell could turn the chips into efficient computer processors. |
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? |
Technology Research News March 26, 2003 |
Tilted trenches turn out tiny wires Researchers from UCLA, UCSB, and Cal Tech have found a way to make arrays of closely-spaced and crossed metal and semiconductor nanowires. |
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. |
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. |
Chemistry World July 26, 2012 Phillip Broadwith |
Remote controlled omniphobic surface Chemists in the US have developed a material that normally resists wetting by both aqueous and organic liquids, but can have this property 'switched off' using a magnet, allowing liquids to soak the surface. |
Technology Research News December 11, 2002 Kimberly Patch |
Laser pulses could speed memory Researchers from the Research Institute for Materials in the Netherlands and Siemens AG in Germany have found a way to switch a magnetic bit more quickly. The potential payoff is faster computer memory. |