Wireless food spoilage detection with a smartphone

02 February 2015

Researchers at the Massachusetts Institute of Technology (MIT) USA have devised a new way to wirelessly detect hazardous gases and environmental pollutants, using a simple inexpensive sensor that can be read by a smartphone. The new sensors are made from modified near-field communication (NFC) tags. The team refers to the modified tags as CARDs: chemically actuated resonant devices.
The researchers are pursuing the possibility of integrating the CARDs into “smart packaging” that would allow people to detect possible food spoilage or contamination of products. An article about the research is published in the Proceedings of the National Academy of Sciences (News Item MIT, 8 December 2014).
Click here for the news item.
Click here for an abstract of the published article.

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