▎ 摘　　要

NOVELTY - The utility model claims a flexible electrode for simultaneously detecting two different mycotoxins, comprising: substrate, formed by flexible paper, it has high porosity and absorbency; graphene is set on the surface of the substrate, comprising a working electrode, a reference electrode and an auxiliary electrode, the working electrode, the reference electrode, the auxiliary electrodes are independently arranged, the working electrode comprises a first working electrode and a second working electrode, one end of the first working electrode and the second working electrode is provided with a DNA probe; pin, connected and covered on the working electrode, one end of the reference electrode and the auxiliary electrode away from the DNA probe, the technical solution is simple to process, the cost is low, the material is environment-friendly, and the quality of the electrode graphene light and thin, excellent flexibility and bending performance, it can be used for preparing and storing paper-based flexible electronic device, it is new application of the microfluidic circuit of the technology.