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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 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 January 30, 2008 Jonathan Edwards |
DNA Helps Nanoparticles Crystallize Two papers in Nature have each shown a simple way to build designer crystals from nanoparticles, using DNA as 'glue'. Both methods show promise as a cheap way of mass-producing complex materials like photonic crystals. |
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 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. |
Chemistry World May 1, 2012 David Bradley |
A colorful way to size up nanoparticles Researchers in China have now developed a straightforward light-scattering technique to estimate the size of gold nanoparticles in the 35 to 110nm range. |
Chemistry World June 11, 2009 Lewis Brindley |
'Electronic glue' makes nanocrystals connect American chemists have developed an 'electronic glue' to link nanocrystals together - allowing groups of the crystals to be highly conductive. |
Chemistry World November 25, 2011 Jon Evans |
Cancer diagnosis goes for gold Gold nanoparticles could help diagnose a wide range of different cancers by detecting telomerase activity within cells, say Chinese chemists. |
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. |
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 January 30, 2009 Hayley Birch |
Nanocrystals Get in Shape for Catalysis New research in fine tuning the shape and size of nanoparticles could lead to important advances in catalysis. |
Chemistry World November 17, 2014 James Urquhart |
Beetle behind breath test for bank notes Simply breathing on money could soon reveal if it's the real deal or counterfeit thanks to a beetle-inspired ink that reversibly changes color in response to humidity. |
Chemistry World June 5, 2011 James Mitchell Crow |
Nanoparticles scrub up a treat in hot water bath Upping the catalytic activity of gold nanoparticles can be as simple as a good wash in hot water, UK chemists have shown. |
Chemistry World September 20, 2012 Jessica Cocker |
Biological fate of nanoparticles in the body Nanoparticles are extremely difficult to detect and measure once they are distributed in a biological system. Now, Spanish scientists have developed a novel way for measuring their biodistribution. |
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 May 7, 2013 Laura Howes |
Plasmonic milk monitor collars spoilt dairy The milk monitor changes from red to green over time and changes faster in warmer temperatures |
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. |
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. |
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 August 25, 2011 Fiona McKenzie |
Poking Aspirin with a Sharp Stick Scientists have found a way to go one better than x-ray crystallography to examine pharmaceutical crystals at an even deeper level. |
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. |
Chemistry World November 30, 2015 Emma Stoye |
20 carat gold foam lighter than a feather The 20 carat gold 'foam' is a thousand times lighter than its solid counterpart, and the lightest gold nugget ever to be made. |
Technology Research News February 11, 2004 |
Magnets tune photonic crystal Researchers from Fudan University in China have found that it is possible to use a magnetic field to quickly shift or block certain frequencies of electromagnetic signals passing through photonic crystals made from semiconductor material. |
Chemistry World January 5, 2012 Helen Bache |
Cleaning Cadmium From Blood With the development of modern industries, heavy metal pollution in humans is on the rise, say researchers in China, who have now designed a supermagnetic nanocomposite to effectively remove one of the pollutants - cadmium ions - from blood. |
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 October 22, 2007 Simon Hadlington |
A Swell Idea? US researchers have developed a new polymer-based gel that can rapidly change color in response to a range of triggers, including temperature, humidity and salt concentration. |
Chemistry World October 28, 2013 Jennifer Newton |
Crystal within a crystal Colleagues at the University of Strasbourg used a molecular tectonics strategy to prepare the crystals. |
Chemistry World June 15, 2010 Manisha Lalloo |
Colour change test for brain chemicals Chemists in China have devised a system which uses gold nanoparticles to detect glucose in the brain, based on a simple colour change test. |
Reactive Reports Issue 60 David Bradley |
Fried Rust Could Prevent Arsenic Poisoning Arsenic-contaminated drinking water, could one day become a thing of the past thanks to the unexpected discovery of the magnetic properties of rusty nanoparticles. |
Chemistry World December 3, 2007 Michael Gross |
Flash Memory Enters Another Dimension Researchers in Korea and Australia have used stacked layers of gold nanoparticles to boost the storage density of flash memory. |
Chemistry World May 18, 2009 James Urquhart |
Tailored colors for photonic crystals Korean and US scientists have permanently fixed the color of block copolymer photonic crystals by swelling photonic gels and 'freezing' them as they display the desired color. |
Chemistry World January 15, 2009 Simon Hadlington |
Curvaceous crystals Spanish scientists have shown how elaborately curved crystalline structures, similar to those typically made by living organisms, can grow from simple solutions of metal carbonates. |
Chemistry World May 28, 2009 Phillip Broadwith |
Nanotube transistors swing both ways Researchers have combined titanium dioxide nanoparticles with carbon nanotubes to make light-sensitive transistors that can be made either to switch on or off in response to UV light. |
Chemistry World February 18, 2009 Nina Notman |
Single Nanocatalyst Behaviour Revealed Before you can design the perfect nanoparticle catalyst, you first need to understand the fundamental science that governs their reactivity. U.S. Scientists have said they have done just that. |
Chemistry World October 7, 2010 Simon Hadlington |
New light shed on 'photothermal' cell death Photothermal therapy - where tiny particles of a metal are introduced into a cell and heated by laser light to kill the cell - might not work in the way people think, researchers in the UK have discovered. |
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. |
Chemistry World February 14, 2011 Rachel Cooper |
Small and sensitive nanoparticles A new highly sensitive nanoparticle contrast agent for imaging in the body stays in the bloodstream longer and is better at targeting tumors than other nanoparticle contrast agents, say Chinese scientists. |
Chemistry World November 6, 2007 Lewis Brindley |
Soybeans Strike Nanogold A simple mix of soybeans, water and gold salts may hold the secret to producing gold nanoparticles without harming the environment, according to one team of US researchers. |
Chemistry World April 1, 2011 Hayley Birch |
Nanoparticles help reveal hidden fingerprints A technique using gold nanoparticles in combination with antibodies has shown promising results for enhancing fingerprints that are over a week old. |
Chemistry World May 21, 2013 Simon Hadlington |
Silver nanoparticles see the light Researchers have stumbled across a simple but as yet unexplained way to make silver nanoparticles luminescent. The finding is important because luminescence is often used to track the movement and location of nanoparticles -- within cells, for example. |
Chemistry World October 18, 2007 Simon Hadlington |
Nanoparticle Reveals Sulfur's Midas Touch Researchers in the US have taken a snapshot of the inside of a gold nanoparticle, shedding crucial new light on one of chemistry's longest-standing questions: how does sulfur bind to gold? |
Chemistry World September 2, 2007 Lewis Brindley |
Nanoparticles Paint a Finer Picture Swiss scientists have developed a process that can print detailed images using nanoparticles as 'ink', while maintaining their catalytic and optical properties. |
Chemistry World September 23, 2013 Raphael Levy |
Gold nanoparticles for physics, chemistry and biology The varied perspectives in this textbook combine to give an agreeable read and a solid foundation in this topic. |
Reactive Reports Issue 33 David Bradley |
Two-faced Liquid Crystals A new class of programmable liquid crystals could be used to make variable optical filters for laboratory instrumentation and digital cameras; they might even be used to treat dyslexia. |
Chemistry World May 15, 2012 Harriet Brewerton |
Chiral Confusion Scientists in Israel have shown that non-biological chiral crystals are much more abundant than previously thought and their findings could clear up a possible confusion over the term 'chiral'. |
Chemistry World July 9, 2013 Daniel Johnson |
Stealthy nanoparticles gather to take on tumors A team of Chinese scientists have created nanoparticles that respond to changes in pH, clumping together in acidic conditions. |
Chemistry World August 25, 2010 Phillip Broadwith |
Antibiotic nanoparticles go for gold Chemists in the UK and India have developed a simple, one step synthesis of gold nanoparticles incorporating an antibiotic, without using any other chemicals. |
Chemistry World March 16, 2009 Hayley Birch |
Nanodumbbells Target Cancer Cells US scientists have designed nanoparticles that function like 'guided missiles' in the targeted destruction of breast cancer cells. |
Chemistry World July 21, 2015 Tim Wogan |
Nanoparticle cats drawn at the flick of a switch A new way of using light to reversibly assemble nanoparticles has been developed by scientists in Israel. |
Chemistry World January 22, 2010 Lewis Brindley |
Gel turns clear for cocaine detection Chinese researchers have developed an aptamer cross-linked hydrogel that changes from bright red or blue to colourless when exposed to tiny amounts of cocaine. |