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Woven into clothing, 'smart' threads sense gases

from Tech Briefs

Engineers from Tufts University want to make the detection of pollutants or dangerous chemicals as simple as checking the color of your T-shirt. The university's novel fabrication method creates dyed threads that change color when sensing volatile organic compounds such as acidic vapors and ammonia. The researchers demonstrated that the threads can be read visually, or even more precisely with a smartphone camera, detecting analytes as low as 50 parts per million. more

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