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Chemistry World March 28, 2013 Tamsin Cowley |
Surface freezing in nanodroplets Experiments carried out by scientists in the US have provided new evidence in the controversial issue of surface freezing in alkane nanodroplets. |
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 November 4, 2015 Andy Extance |
Trampolining droplets raise hopes for ice-shedding surfaces With fellow team members at the Swiss Federal Institute of Technology in Zurich, Tom Schutzius has worked out what was causing this previously-unknown 'trampolining'. |
Chemistry World February 7, 2014 Emma Stoye |
Crystal ribbons grow on a curve Colleagues at Harvard University in the US investigated the effects of elastic stress on crystals, which is increased by growing them on a curved surface rather than a flat one. |
Chemistry World February 4, 2010 Simon Hadlington |
Freezing supercooled water puzzles scientists Researchers in Israel have discovered that supercooled water itself will freeze at different temperatures depending on whether it is in contact with a positively or negatively charged surface. |
Chemistry World May 19, 2011 Jon Cartwright |
Liquid crystals spot bacteria to order Liquid crystals could one day be used as bio-sensors, detecting the presence of minute amounts of pathogens. That is the claim of a US group of researchers, who have demonstrated how a liquid crystal changes orientation in the presence of bacteria. |
Technology Research News April 9, 2003 |
Liquid crystals go 3D Researchers from Sheffield University in England and the University of Pennsylvania have unlocked some of the secrets of liquid crystals, materials that self-assemble into lattices of geometric shapes that are neither solid nor liquid, but somewhere between. |
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 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 March 30, 2009 Ned Stafford |
Moving forward: self-propelling oil droplets In the latest step toward creation of artificial living cells in a laboratory, a team of Japanese researchers has developed a new variety of oil droplets that propel themselves through an aqueous solution. |
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. |
Chemistry World January 8, 2013 Phillip Broadwith |
Superomniphobic surface sees off non-Newtonian fluids A material that is equally good at repelling water, oil, concentrated acid and alkali solutions, and non-Newtonian fluids like polymer solutions has been created by chemists in the US. |
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. |
Technology Research News April 9, 2003 |
Biochip moves liquids with heat Researchers from Princeton University have made a microscopic device that uses heat to move, mix and split droplets of liquid. The device could be used in small, battery-operated chemical sensors and hand-held medical testers. |
Chemistry World March 19, 2015 James Urquhart |
Mystery of colored water droplets that chase and repel each other solved Researchers have solved the puzzle of a remarkable phenomenon that allows droplets of water mixed with a food coloring to move spontaneously and freely in intricate patterns when placed on a clean glass slide. |
Chemistry World June 26, 2007 Lionel Milgrom |
Mimicking Biophysics with Water Droplets Scientists have micro-engineered water droplets into protocells. Protocell networks can mimic real biophysical events within living cells. |
Chemistry World February 24, 2014 Andy Extance |
Molecular motors aim to pass water Water droplets whose shape mysteriously shifts when the surface underneath them is exposed to light could become nanotech-powered chemistry vessels. |
Chemistry World September 3, 2010 Lewis Brindley |
First steps of water condensation observed The US team conducting the research found that the first two layers - each two molecules thick - form as ice, with subsequent layers forming into liquid droplets. |
Chemistry World April 27, 2011 Harriet Brewerton |
Multiple emulsion droplet design Liang-Yin Chu at Sichuan University and colleagues have designed a microfluidic device capable of producing multi-compartment multiple emulsions. |
Chemistry World October 20, 2011 Tegan Thomas |
Bubble Trouble Eliminated in Cancer Treatment US scientists have developed a microfluidic device to manufacture droplets of a specific size at high speed for a cancer treatment called embolisation. |
Chemistry World March 26, 2007 Victoria Gill |
World's Smallest Bowl of 'Alphabet Soup' A fluorescent alphabet soup cooked up by US researchers has demonstrated the ability of a new technique to mass-produce complex shapes on the micro and even nanoscale. |
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. |
Technology Research News December 17, 2003 |
Chip uses oil to move droplets Researchers from North Carolina State University have devised a way to manipulate tiny droplets and particles on a chip. Key to the system is suspending what needs to be moved in a heavier liquid. |
Technology Research News May 4, 2005 |
Surface Tension Drives Nanomotor Researchers have found a way to harness surface tension to drive nanomachines. |
Chemistry World July 28, 2014 Philip Ball |
The fascinating in the familiar Over the past several decades we see the re-emergence of problems such as light scattering in disordered media to self-organization in granular materials or the spreading of coffee stains. |
Chemistry World April 4, 2013 Laura Howes |
Droplet printing assembles soft networks Producing soft networks of droplets is now much less laborious and time consuming. |
Chemistry World January 17, 2014 Katia Moskvitch |
Life may have begun in a tiny water droplet Chemical reactions run much faster and more efficiently when they take place in tiny droplets rather than in freestanding water -- such as a puddle or a lake, say researchers. |
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. |
Technology Research News March 10, 2004 |
Channel shapes split microdrops One important component of labs-on-a-chip is the capability of handling tiny volumes of liquid precisely. Researchers from Harvard University have come up with a method for breaking larger drops into daughter drops of specific volumes. |
Chemistry World December 6, 2007 Tom Westgate |
Giving Oil the Slip Scientists in the US have described how to design surfaces that repel oils for the first time. |
Prepared Foods October 1, 2005 Paula Frank |
Emulsifier Stability: Improving the Odds Can multi-layered interfacial emulsions survive harsh processing conditions and complex food matrices? Also, emulsifiers and the Codex Alimentarius. |
Chemistry World January 7, 2011 Jennifer Newton |
Microfluidic pinball A device to deposit polymer layers on oil droplets has been made by researchers from Singapore, who say that their design is faster and more efficient than conventional deposition techniques and uses microfluidics. |
Chemistry World September 22, 2011 Jon Evans |
Pitcher plant inspires ultimate non-stick surface By mimicking the leaves of a carnivorous tropical plant, US scientists have developed a surface so slippery that everything slides off: water, oil, blood, ice, jam and even ants. |
Technology Research News February 25, 2004 Eric Smalley |
Biochip makes droplet test tubes Researchers who are developing biochips are taking two distinct approaches in devising ways to shunt tiny amounts of liquids around. One focuses on finding ways to form microscopic channels and tiny mechanical pumps. The other is aimed at using electricity to maneuver tiny droplets on surfaces. |
Chemistry World August 2011 |
Clever comestibles Controlling the microscopic structure of foods could make diet products that help you feel fuller for longer. Emma Davies gets her teeth into some edible colloids |
Technology Research News November 3, 2004 |
Lasers Move Droplets Labs-on-a-chip promise inexpensive and portable biological and chemical analysis. The key to making the tiny labs work is finding ways to move and mix minuscule amounts of substances. |