NFC gas sensor can detect spoiled meat

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Scientists have developed a way for smartphones to send warnings when food spoils, eliminating the need for expiry dates or relying on your sense of smell and sight. Researchers from Nanjing University, China and The University of Texas at Austin, US are using gas sensors to detect the odour of decomposing meat. The device incorporates a sensor made of nanostructured conductive polymer into a near field communication (NFC) tag. Nanostructured conductive polymers are able to detect the compound that releases the bad scent of spoiled meat – biogenic amines. To test the effectiveness of the NFC sensor tags, researchers left…

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