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Chemistry World January 26, 2011 Jon Cartwright |
Luminescence gives 2D pH images Researchers in Germany have devised a safe method to image the pH of tissue in the human body. The method, which involves measuring the luminescence of injected dyes, could help physicians monitor wound healing and tumour growth.  |
Chemistry World February 27, 2007 Jon Evans |
Molecular pH Sensor Inspired by Relay Runners Chemists have taken inspiration from relay runners to create a molecular version of a conventional glass pH electrode. Their molecular sensor can measure pH over a wide range and should allow scientists to begin measuring pH levels in microscopic volumes, such as within individual cells.  |
Chemistry World December 11, 2013 Tim Wogan |
Brighter future for cancer detection with polymer probe A new 'smart' polymer that is extremely sensitive to pH can highlight tumors with exceptional accuracy.  |
Chemistry World October 7, 2011 Elinor Richards |
Chameleon clothes to detect falling oxygen levels A cloth that changes colour when oxygen levels drop has been developed by scientists in China. The cloth could be used to make clothes that monitor oxygen levels for miners, high altitude adventurers and space explorers.  |
Chemistry World September 2, 2009 Matt Wilkinson |
Mechanised nanocapsules target drug delivery US researchers have developed a nano-sized drug delivery system that only releases its payload in specific pH conditions, a feature that could prove particularly useful for targeted delivery of cancer treatments.  |
Chemistry World March 8, 2011 Jennifer Newton |
Measuring cells' oxygen levels with PEBBLEs Scientists in Germany have developed a strategy to visualise oxygen concentrations in cells to better understand its role in biological reactions such as metabolism.  |
Chemistry World October 25, 2010 |
Dual Purpose Dyes Offer New Imaging Options US researchers have developed a new series of combined fluorescent and chemiluminescent dye compounds that can be stored at low temperatures and then activated to release near infrared light when warmed to body temperature.  |
Chemistry World July 25, 2011 Harriet Brewerton |
DNA Toxic Gas Detector Scientists in the US have developed a sensitive and simple sensor that could be used to detect toxic gases occurring in urban areas.  |
Chemistry World July 9, 2013 Jennifer Newton |
Technicolor pKa indicator Scientists in Japan have shown that a dye can present more than five different colors according to the acidity of the solution it is in and can be used to visualize acid -- base equilibria in non-polar solvents.  |
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 January 21, 2014 Simon Hadlington |
Cheap and colourful holographic sensors Scientists in the UK have developed a holographic sensor that changes color in response to particular analytes.  |
Chemistry World November 15, 2007 Tom Westgate |
Computing Goes Into Solution South Korean scientists have developed the first soluble molecular logic gates - one step along the way to designing molecular computers and biological lab-on-a-chip devices.  |
Chemistry World June 7, 2012 Yuandi Li |
'Litmus paper' for food spoilage Scientists in the US have developed a cheap fluorescent sensor for food spoilage that could be as easy to use as litmus paper.  |
Chemistry World June 9, 2011 Harriet Brewerton |
Sensitive sugar sensor US scientists have designed a calorimetric sensor as a point-of-care diagnostic instrument that can detect low levels of glucose compared to similar sensors.  |
Chemistry World June 12, 2012 Erica Mills |
Lighting the way to explosive detection A mesoporous material functionalized with aggregation-induced emission luminogens serves as an efficient and recyclable fluorescent sensor to detect picric acid in water.  |
Home Toys June 2004 Bert Centala |
Sensors Make "Sense" for Home Automation Environmental sensor products can be a welcome addition to almost any Home Automation system whether they are used to actively control HVAC devices or to simply monitor key environmental parameters.  |
Chemistry World October 10, 2014 Katrina Kramer |
Smart bandage gives wound treatment the green light A group of researchers from the US, South Korea and Germany has developed a liquid bandage that can map oxygen concentrations in skin wounds and burns.  |
Chemistry World September 17, 2013 Jennifer Newton |
Half-mustard gas blues Scientists in the US are trying to develop a new detection system for the chemical warfare agent mustard gas.  |
Chemistry World July 30, 2012 Phillip Broadwith |
Flexible hairy heartbeat sensor Korean scientists have developed a skin-like flexible strain sensor made from interlocking forests of nanofibers.  |
Chemistry World November 4, 2011 Holly Sheahan |
Polymer based sensors feeling the strain Researchers in China have made a new strain sensor to monitor the safety of buildings and other structures.  |
Chemistry World June 1, 2012 Emma Shiells |
Electronic skin for health and security checks Scientists in the US have developed an electrochemical sensor incorporated into a temporary transfer tattoo to be used as a device to warn the wearer of any health or security threats.  |
Finefishing Fresh Water John Weiss |
The New Bass Science Understand how a lake's oxygen and pH levels determine where bass must be and catching them becomes infinitely easier!...  |
Chemistry World December 20, 2011 Simon Hadlington |
pH adjustable protein micro-lenses Scientists in China have used a common protein to create tiny optical lenses, a few tens of micrometres in diameter, whose focus can be adjusted simply by changing the pH of the surrounding medium.  |
Chemistry World July 12, 2012 David Bradley |
Homeostatic hydrogels to help heat the home Living things can take control of the physical environment in which they find themselves, monitoring and controlling their temperature, pH, various internal pressures and ion concentrations through a range of self-regulating feedback loops.  |
Chemistry World August 2006 David Walt |
Comment: Common Sense for Sensors Designing sensors for manufacturability must be performed at the outset rather than as an afterthought. Only when we develop such reproducible sensors will they become pervasive tools for improving our quality of life.  |
Chemistry World October 15, 2008 Simon Hadlington |
Long-life light illuminates cells The new dye, based on platinum, will carry on emitting light long after any interfering 'autofluorescence' from naturally occurring molecules in the cell has fizzled out.  |
Chemistry World November 18, 2013 Emily Skinner |
Encryption at the flick of a light switch Scientists have designed a grid of light responsive colloidal particles to function as pixels that could be used to create barcodes for cryptographic data storage.  |
PC World February 20, 2002 Martyn Williams |
Sony Focuses on 6 Megapixels Company's new image sensor will allow consumers to create professional-quality digital images -- at a price...  |
Chemistry World April 29, 2013 Michael Parkin |
Food safety test for harmful dye It may soon be easier to protect consumers from dangerous condiments thanks to an electrochemical method developed by Chinese scientists that can spot the toxic azo dye, Orange II.  |
Home Toys December 2002 David Steele |
Driveway And Entry Annunciators For Home Automation Driveway and entry annunciators have been around for many years. To add them to your home automation and security system can add a whole new meaning to convenience. They can provide you not only with being alerted when a visitor approaches, but also turn on lights for safety and convenience.  |
Chemistry World March 27, 2011 Kate McAlpine |
Nanotubes make 'exceptional' strain sensor A sensor that can measure the movements of a human body has several requirements: it must report the movement quickly and consistently; hug curves; and survive considerable and repeated stretching.  |
Chemistry World October 8, 2012 Emma Shiells |
Medicinal hope for injectable hydrogels Doo Sung Lee and colleagues from Sungkyunkwan University developed an amphoteric copolymer to form dually cationic and anionic hydrogels, in response to pH and temperature changes.  |
Chemistry World April 20, 2012 Jennifer Newton |
Nanocrystal probes mimic viruses to gain entry into cells Colloidal polymer vectors loaded with nanocrystal probes enter cells in the same way as a virus and can be used to track cells for therapies such as those based on stem cells  |
Chemistry World March 23, 2015 Philip Ball |
Simple chemistry mimics animals' predator spotting method Some animals, from fish to cats to humans, use edge detection to decode their visual environment: they identify some objects just by their outline.  |