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Chemistry World July 4, 2013 Daniel Johnson |
Sublime Leidenfrost In the Leidenfrost effect, a liquid collides with a surface much hotter than its boiling point, forming a protective cushion of gas that also becomes an insulating layer, slowing further evaporation. |
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 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 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 September 28, 2010 Lewis Brindley |
Helium nanodroplets host ion analysis Chemists have developed a sensitive new infrared spectroscopy method that analyses molecular ions by capturing them in nanosized bubbles of freezing helium. |
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 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 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 October 9, 2014 Richard Massey |
Ionic liquid-gas interfaces: more than a surface glance Research by scientists in the UK suggests that small changes in the nature of binary ionic liquid systems can significantly alter their surface composition. |
Chemistry World September 1, 2014 Jennifer Newton |
Wendy Brown: Space dust chemistry Professor Wendy Brown's research reproduces the cold and low pressures of space to model chemical reactions that occur when particles are brought together on interstellar dust grains. |
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 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. |
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. |
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 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 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 May 2012 |
Column: The crucible Philip Ball is perplexed by the Engineering and Physical Sciences Research Council 's decision to cut surface science funding |
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 July 18, 2013 Emma Stoye |
Hovering reaction driven by sound Colleagues at ETH Zurich in Switzerland used their acoustic levitator to create an explosive mid-air reaction between a tiny water droplet and a grain of sodium. |
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 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. |
Chemistry World November 20, 2013 Simon Hadlington |
A drop of extra bounce US researchers have discovered a simple way to modify a water-repellent surface so that bouncing drops of water spend significantly less time in contact with the surface. |
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. |
Chemistry World September 28, 2009 Phillip Broadwith |
Champagne's aromatic chemistry The bubbles that fountain from a glass of champagne ferry a complex array of flavour molecules into the air above the glass, lifting the aroma towards you as you take a sip - and the molecular profile of this aerosol blend is very different to that of the bulk liquid, say European scientists. |
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 27, 2014 Megan Tyler |
Femtofluidic droplet manipulation now possible We've had microfluidics. We've even had nanofluidics. But now, scientists have gone a step smaller by pushing femtofluidics into the realms of possibility. |
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 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 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. |
Chemistry World November 11, 2008 Lewis Brindley |
Design rules for wet-proof materials A new series of equations should allow scientists to design the ultimate unwettable surfaces, according to Robert Cohen and Gareth McKinley at the Massachusetts Institute of Technology, US. |
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. |
Wired Thomas Hayden |
Just Dew It: What Scientists Can Learn From Flower Petals Researchers in China have discovered why water droplets roll off a lotus leaf like mercury yet stick to rose petals like peanut butter. |
Chemistry World October 24, 2006 Richard Van Noorden |
A Chequerboard of Water Water droplets cling in flat squares and dance in round globes on a smart surface created by South Korean researchers. Exposure to light wipes away the pattern, and an alternative can be written in with no etching required. |
Chemistry World March 10, 2011 Kate McAlpine |
Aerosol data from BP spill Analysis of atmospheric data suggests that emissions of intermediate volatile organic compounds and semi-volatile organic compounds were low compared with those of volatile organic compounds. |
Food Engineering March 6, 2006 |
Batch freezer Batch freezer provides rapid freezing and minimum dehydration with moisture loss of less than 0.5%. |
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. |
IndustryWeek March 16, 2011 Jamie Flinchbaugh |
Lessons From the Road: Surfacing Problems Daily Advice for building a problem-solving culture. |
Chemistry World February 5, 2013 Cara E Sutton |
'Invisible gates' trap water droplets Researchers in Japan have created a novel superhydrophobic hybrid surface that can separate water droplets sliding down it based on nothing more than their size. |
Chemistry World September 19, 2014 Hayley Simon |
Dragonfly crystals on a silicon wafer Individual, dragonfly-shaped crystals have been grown on the surface of a silicon wafer dipped slowly into a solution of dotriacontane -- a 32 carbon alkane. |
Chemistry World July 15, 2015 Aurora Walshe |
Fog-free film doesn't dare to glare Scientists in China have built a thin film that retains its antifogging properties even under an antireflective coating. |
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. |
Technology Research News October 20, 2004 |
Biochip levitates droplets Researchers have devised a way to magnetically levitate particles and droplets that have volumes smaller than one billionth of a milliliter. Labs-on-a-chip is one of many potential uses. |
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. |
Technology Research News May 4, 2005 |
Surface Tension Drives Nanomotor Researchers have found a way to harness surface tension to drive nanomachines. |
Food Processing June 2013 |
MRO Q&A: Cost-Effective Vegetable Freezing I work for a small vegetable processor and am trying to decide what the most cost-effective method for freezing our product might be. |
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 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 August 7, 2014 Jennifer Newton |
Yongmei Zheng: Spider silk and butterfly wings Research in the Zheng group looks at biological and bioinspired surfaces with wettability functions. |
InternetNews March 17, 2009 Stuart J. Johnston |
Microsoft Shows Off a New 'Surface' or Does It? At the SXSWi conference, Microsoft discusses a next generation of Surface multitouch computer, but doesn't make any promises. |
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. |