▎ 摘　　要

NOVELTY - Preparation of flexible wearable sweat glucose electrochemical sensor involves adding N,N-dimethylacetamide to graphene and polyurethane, stir-mixing to obtain spinning solution, injecting into the groove of fabricated fiber mold, placing it in deionized water, leaving still, taking out after the fibers peels off, washing and soaking the obtained fibers overnight in deionized water, drying to obtain reduced graphene oxide/polyurethane fibers, dripping and coating the silver/silver chloride slurry on the reduced graphene oxide/polyurethane fibers, drying to obtain reference electrode, mixing nickel-cobalt metal organic framework with ethanol solution of Nafion(RTM: sulfonated tetrafluoroethylene based fluoropolymer-copolymer) to obtain metal organic framework dispersion, dripping and coating the dispersion on reduced graphene oxide/polyurethane fibers to obtain working electrode, and taking another platinum wire as the counter electrode and assembling three electrodes to form sensor. USE - Preparation of flexible wearable sweat glucose electrochemical sensor for real-time monitoring of human body. ADVANTAGE - The preparation method is simple and economical, and produces enzyme-free sweat glucose wearable sensor with good tensile property, which is capable of continuously monitoring glucose human body through sweat liquid without pain. The prepared sensor can be connected with the fabric skin after sewing to monitor human disease signal, excellent detection performance and stability, low detection limit for glucose detection, and the oxidation peak current still can maintain 97.1% of the original after 7 days of storage in daily environment, and can still exhibit good electrochemical behavior after the fiber is stretched to 100% compared with existing sensor. DETAILED DESCRIPTION - Preparation of flexible wearable sweat glucose electrochemical sensor involves mixing polydimethylsiloxane prepolymer and curing agent, degassing, spin-coating on a glass slide, drying, taking out, placing the capillary column on the surface of the polydimethylsiloxane (PDMS) that is not fully cured, drying and taking it out, taking out capillary column after the PDMS is completely solidified, forming a groove on the surface of the PDMS to obtain fabricated fiber mold, adding N,N-dimethylacetamide to graphene and polyurethane, stir-mixing to obtain a spinning solution, injecting the spinning solution into the groove of the fabricated fiber mold through syringe, then placing it in deionized water, leaving still, taking out after the fibers peels off, washing and soaking the obtained fibers overnight in deionized water at room temperature, drying to obtain reduced graphene oxide/polyurethane fibers, dripping and coating the silver/silver chloride slurry on the reduced graphene oxide/polyurethane fibers, drying to obtain reference electrode, mixing nickel-cobalt metal organic framework with ethanol solution of Nafion(RTM: sulfonated tetrafluoroethylene based fluoropolymer-copolymer) to obtain metal organic framework dispersion, dripping and coating the dispersion on reduced graphene oxide/polyurethane fibers to obtain working electrode, and taking another platinum wire as the counter electrode and assembling three electrodes to form sensor.