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Chemistry World September 18, 2012 Harriet Brewerton |
Colorful metal detection Scientists in China have developed a sensor that can indicate the presence of heavy metal ions in a sample with a simple color change by using aptamers. Aptamers are single-stranded DNA or RNA molecules. |
Chemistry World June 20, 2014 Susannah May |
A real red alert for explosives Scientists in Spain have developed a new material that changes color around TNT. The chemical, which could be used to make intelligent clothing, alerts users to the presence of the explosive. |
Chemistry World July 22, 2014 Charlie Quigg |
Polymer changes color in the heat of the moment Scientists in China, the UK and the Netherlands have engineered a polydiacetylene polymer that reversibly changes color within 1 second of being heated or cooled. |
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, 2012 Jessica Cocker |
Color changing paper sensor Paper with the ability to change color in response to different ions, solvents and UV irradiation has been developed by US scientists and could be used to develop faster and more stable chemical sensors. |
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. |
Industrial Physicist Edward J. Staples |
Technology Safeguarding ports with a new chemical-profiling system that samples the vapours inside cargo containers. |
Chemistry World October 5, 2009 Rajendrani Mukhopadhyay |
Paper pesticide sensor Researchers have developed a paper-based colour-changing sensor to detect organophosphate pesticides and other acetylcholinesterase inhibitors in food and drink samples. |
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 August 28, 2011 Simon Hadlington |
Synthetic self-assembling collagen for tissue engineering US researchers have succeeded in making the most realistic synthetic collagen to date. |
Technology Research News May 4, 2005 |
Laser Sniffs Explosives Researchers have built a device that detects when molecules of the explosives TNT and DNT stick to a thin film of polymer, or plastic. |