▎ 摘 要
NOVELTY - A sensor comprises a cathode body, an anode body and a co-reagent, where the cathode body comprises a graphene oxide modified cadmium telluride quantum dots, and the anode body comprises a nano-gold and a nano-platinum modified N-(aminobutyl)-N-(ethylisoluminol). USE - Sensor for detecting concanavalin A (claimed). ADVANTAGE - The sensor has high reliability and detection result, and can improve the signal-to-noise ratio. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) a method for preparing a sensor (2) use of a sensor for detecting concanavalin A.