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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 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 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 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. |
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. |
Technology Research News May 4, 2005 |
Surface Tension Drives Nanomotor Researchers have found a way to harness surface tension to drive nanomachines. |
Technology Research News January 14, 2004 |
Melted fibers make nano channels Researchers from Cornell University have devised a simple, inexpensive way to construct fluidic channels whose corners are elliptical rather than sharp, which permits fluid to flow more freely. |
Technology Research News October 22, 2003 |
Chip mixes droplets faster A team of researchers from Duke University has improved a method to mix droplets smaller than a nanoliter, or millionth of a liter. The method makes it possible to mix a pair of merged nanoscale-size droplets in less than two seconds rather than the 90 seconds ordinarily needed. |
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. |
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 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. |
Technology Research News July 30, 2003 |
Laser bursts pierce fog Researchers in France have shown that it is possible to fire laser beams through otherwise impenetrable clouds, haze and fog. This means it could be possible to transmit data through these opaque media and remotely sense objects or chemicals within clouds, haze or fog. |
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 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. |
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 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 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 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 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. |
Technology Research News August 27, 2003 |
Metal process makes heat chips Researchers from the California Institute of Technology have found a way to make tiny thermoelectric devices that can be used to generate electrical power from heat and to cool very small areas. |
Chemistry World February 22, 2013 Anthony King |
LED triggers microfluidic mixing French scientists have developed a way to mix fluids in microfluidic devices using light from an external LED as a trigger. The strategy is simple but offers good control over mixing without complex components. |
Chemistry World December 18, 2014 Victoria Richards |
Catching water with imitation beetle bumps Inspired by both desert beetles and marine mussels, scientists in Saudi Arabia have devised a new method for creating micropatterned superhydrophobic surfaces that efficiently harvest fog. |
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. |
Technology Research News December 31, 2003 |
Biochip holds millions of vessels Researchers are putting more of the pieces together to construct full-blown labs-on-a-chip, a possibility that promises inexpensive, hand-held biological, chemical and medical tests similar to the way the computer chip revolutionized electronics. |
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 January 17, 2012 Simon Hadlington |
Rainbow Hued Graphene Oxide Repels Water Scientists in China have used a laser to carve out a pattern of ridges and valleys on layered graphene oxide to mimic two of nature's tricks in one go - iridescence and superhydrophobicity. |
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 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 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 November 19, 2007 Jonathan Edwards |
Sorting Droplets Digitally Scientists in Hong Kong have developed a lab-on-a-chip device that can separate and identify picolitre droplets quickly, cheaply and accurately. |
Chemistry World January 7, 2014 Cally Haynes |
Device runs on finger power Researchers in the US have demonstrated that mechanical energy from a human hand can power a microfluidic device. |
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 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 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 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 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 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 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. |
Technology Research News March 12, 2003 |
Lasers tweeze every which way Researchers from the University of Glasgow in Scotland have found a way to use a pair of laser beams to rotate an object in three dimensions, turning it like a ball rather than a wheel. |
Chemistry World April 16, 2007 Tom Westgate |
Smallest Pipette Delivers Zeptoliter Volumes The world's smallest pipette has been developed by scientists. It is capable of dispensing drops of a molten gold-germanium alloy with a volume of a few zeptoliters, that is, a billionth of a trillionth of a liter. |
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'. |
National Defense January 2006 Grace Jean |
Laser-Based Sensor Will Sniff Out Chemicals on the Move U.S. Army scientists are working on a next-generation, laser-based chemical detector capable of operating in reconnaissance vehicles while traveling at high speeds. |
Bio-IT World Dec 2005/Jan 2006 Robert M. Frederickson |
Labcyte Demonstrates 'Sound' Transfer As mundane as the topic of fluid management may seem, it is big business. And this developer of microfluidic systems' new technology is well suited to high-throughput biological applications where large numbers of different fluids must be transferred rapidly and sequentially. |
Chemistry World February 19, 2008 Victoria Gill |
Pernod Baffles Chemists Love it or hate it, Pernod is well known for its distinctive flavor. But now it appears that it also has some distinctive and baffling chemical properties. |
Food Engineering June 1, 2005 Kevin T. Higgins |
Precision encapsulation Technology developed for the metals industry offers unprecedented uniformity in encapsulated ingredients and micro-inclusions for food processing. |
National Defense June 2010 Grace V. Jean |
Defense Threat Reduction Agency Beefs Up Work Force With Newly Minted PhDs Facing a large number of retirements in its work force in the next five years, the Defense Threat Reduction Agency's chemical and biological technologies directorate is seeking young, ambitious scientists. |
National Defense June 2010 Grace V. Jean |
Research Challenge: How to Defend Against Still-Undefined Chemical, Biological Attacks Military scientists are often criticized for not working fast enough and for not pushing technologies into the field more expeditiously. Those working in chemical and biological sciences are no exception. |
Chemistry World May 9, 2008 Simon Hadlington |
All-in-one gene detection on a chip Scientists in Singapore have invented a tiny machine that can rapidly prepare, purify and genetically analyse blood or other biological samples in less than 20 minutes. |
Chemistry World September 28, 2012 Laura Howes |
Superhydrophobic knife slices up water Antonio Garcia's team at Arizona State University showed that a water drop pinned by wire loops can be reproducibly cut without the formation of satellite droplets. |