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Chemistry World
August 21, 2015
Harriet Brewerton |
Paper device tracks fracking pollution Scientists in the US have developed a simple paper-based sensor for detecting bromide ions in water. The device could be used to check if fracking fluids have seeped into water supplies.   |
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. |
National Defense
January 2012
Eric Beidel |
Inkjet Printers Prepare for War Researchers at the Georgia Institute of Technology have developed a prototype wireless sensor that can be printed on paper or similar material using standard inkjet technology. |
Chemistry World
June 24, 2011
Rebecca Brodie |
Nanogenerators for environmental sensors A nanomaterial-based, self-powered sensor that detects mercury in water has been developed by teams from the US and Korea. |
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
October 29, 2013
Harriet Brewerton |
Paper device spots antibiotic-resistant bacteria Scientists in Canada have developed a paper-based device that checks if bacteria are resistant to certain antibiotics. The simple system could help users in remote areas. |
Chemistry World
January 16, 2007
Michael Gross |
Bioassays Work on Paper New analytical techniques with ever smaller volumes, multiple functionalities, and the ability to run masses of assays in parallel, tend to rely on ever more expensive materials and equipment. Chemists have now bucked this trend by developing a bioassay tool that can be printed on paper. |
Science News
November 26, 2005
Janet Raloff |
Organic Doesn't Mean Free of Pesticides Despite organic claims of pesticide-free vegetables, a recent small-scale study found roughly the same amount of toxic pesticide chemicals in both conventionally grown and organic vegetables. |
Geotimes
May 2006
Naomi Lubick |
Mixed View on Pesticide Pollution The amount of pesticides in U.S. streams has generally decreased, according to a recent assessment. But urban streams are carrying more and more pesticides, and the number of different chemicals present simultaneously has gone up, raising concerns among some researchers. |
Chemistry World
January 24, 2014
Simon Hadlington |
New biosensor inspired by turkeys Researchers in the US have invented a sensor that changes color in response to its environment using a similar mechanism to that which operates in many animals. |
National Gardening
Charlie Nardozzi |
Organic Produce is Better for Kids Gardeners know organic practices are good for the soil, and now there's evidence organic food is better for our kids as well. |
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. |
