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Pen-Like Device Detects Harmful Gases and Spoiled Food Vapors

News   Feb 11, 2021 | Original story from the American Chemical Society

 
Pen-Like Device Detects Harmful Gases and Spoiled Food Vapors

The handy pen’s tip changes color when exposed to harmful gases. Credit: Adapted from ACS Materials Letter 2021, DOI: 10.1021/acsmaterialslett.0c00516.

 
 
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