Flexible sensor for rutin content detection, preparation method and rutin in-vivo detection method

Abstract

The invention relates to the technical field of electrochemical detection, and provides a rutin content detection flexible sensor, a preparation method and a rutin in-vivo detection method. The flexible sensor comprises a flexible substrate and a graphene electrode unit, wherein the graphene electrode unit is arranged on the flexible substrate; the graphene electrode unit comprises a working electrode, a counter electrode, a reference electrode and a guide rail, the working electrode is sequentially provided with a first modification layer and a second modification layer from inside to outside, the first modification layer comprises an MOF-818 material, and the second modification layer comprises an HfSe2-COOH-SWCNT-Nafion material. The rutin content detection flexible sensor provided by the invention has excellent fitness, can be tightly attached to the surface of a plant leaf, can still keep stable electrochemical performance under the condition of deformation, has higher detection speed, low manufacturing cost and simple and convenient technological process, also has relatively strong environmental adaptability, and is suitable for popularization and application. Detection can be carried out in various different environments, including field application and intelligent agricultural application scenarios.

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