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Detecting gases wirelessly with a smartphone

Technology is constantly changing as Detecting gases wirelessly with a smartphone

MIT chemists have devised a new way to wirelessly detect hazardous gases and environmental pollutants, using a simple sensor that can be read by a smartphone. (Learn more about the sensor: http://bit.ly/1IuHPsp) Video: Melanie Gonick/MIT Additional foota
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These inexpensive sensors could be widely deployed, making it easier to monitor public spaces or detect food spoilage in warehouses. Using this system, the researchers have demonstrated that they can detect gaseous ammonia, hydrogen peroxide, and cyclohexanone, among other gases.

“The beauty of these sensors is that they are really cheap. You put them up, they sit there, and then you come around and read them. There’s no wiring involved. There’s no power,” says Timothy Swager, the John D. MacArthur Professor of Chemistry at MIT. “You can get quite imaginative as to what you might want to do with a technology like this.”

Technology is constantly changing as Detecting gases wirelessly with a smartphone

Swager is the senior author of a paper describing the new sensors in the Proceedings of the National Academy of Sciences the week of Dec. 8. Chemistry graduate student Joseph Azzarelli is the paper’s lead author; other authors are postdoc Katherine Mirica and former MIT postdoc Jens Ravnsbaek.
Versatile gas detection.

Read more… on MIT news

 

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