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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. |
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. |
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. |
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 December 3, 2003 Eric Smalley |
Biochip puts it all together Researchers have made all manner of microfluidic machines, but have yet to come up with cheap, mass-producible biochips for handheld medical and environmental testing. A simple plastic chip puts the necessary pieces together. The $7 device tests blood samples for the presence of E. coli bacteria. |
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 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. |
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. |
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. |
Bio-IT World February 10, 2003 Robert M. Frederickson |
Bringing Integrated Circuits to Life Cell-sized biochips mean that channels, pumps, and valves must become minuscule, too. |
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 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 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. |
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 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 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. |
Technology Research News May 7, 2003 Eric Smalley |
Sound forms virtual test tubes Microfluidics devices usually consist of microscopic chambers and tunnels made from silicon, glass or plastic. Researchers from the University of Washington have taken a different tack. Their microscale device uses sound waves to trap and mix tiny amounts of substances. |
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. |
Bio-IT World April 15, 2003 Robert M. Frederickson |
Protein Chemistry Surfaces Protein chips seek to do for protein expression profiling what DNA chips did for RNA expression. |
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 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 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 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 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 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 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 September 26, 2013 Angharad Rosser-James |
Kelvin's water dropper miniaturized on a chip European scientists have modified an old experiment and converted pneumatic pressure into electrical power, which could one day help power microfluidic devices. |
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 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 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 |
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 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 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 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. |
Technology Research News March 10, 2004 |
Charges make micro whirlpools Researchers from the Hong Kong University of Science and Technology have devised a way to define tiny patterns that carry positive, negative or neutral charge on the surface of a microchannel. |
Chemistry World December 11, 2012 Phillip Broadwith |
Seeing the helix of DNA Italian scientists have developed a technique to improve the contrast of electron microscopy images of DNA fibers. |
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 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. |
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 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 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 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. |
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. |
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 December 23, 2015 Richard Massey |
Green rocket fuel breaks records Chinese scientists have developed a new family of safer chemical propellants with the shortest ignition times and lowest viscosities of any ionic fluid rocket fuels to date. |
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. |
Reactive Reports Issue 41 David Bradley |
Chip Chops Time off Drug Discovery Process A next-generation optical screening platform can screen a vast number of compounds rapidly by passing wave after wave of compounds in solution over the surface of the biochip. |
Chemistry World October 15, 2012 Melissae Fellet |
Synthesis by mass spectrometry Chemists have used mass spectrometry, commonly used to analyze molecules, to synthesize them on the microscale. |