Issue Date: May 7, 2012
Fruit Ripeness Detected Via Nanotube
Rather than using expensive gas chromatography and mass spectrometry systems to monitor the freshness of their fruit, food distributors of the future might instead use low-cost carbon nanotube-based sensors. That’s because MIT researchers Timothy M. Swager, Birgit Esser, and Jan M. Schnorr have developed a device that detects fruit maturity by measuring levels of emitted ethylene, a plant hormone that initiates ripening (Angew. Chem. Int. Ed., DOI: . . .
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