Ethylene Sensors: A New Strategy for Detecting Plant Hormone Ethylene Using Oxide Semiconductor Chemiresistors: Exceptional Gas Selectivity and Response Tailored by Nanoscale Cr2O3 Catalytic Overlayer (Adv. Sci. 7/2020)

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Abstract
In article number 1903093, Jong‐Heun Lee and co‐workers describe exclusive detection of sub‐ppm‐level ethylene, a representative plant hormone, using bilayer sensors. The sensor can be widely used for real‐time assessment of fruit freshness/ripening or the control of plant growth/development.