▎ 摘　　要

NOVELTY - The utility model claims a graphene-based field effect transistor chiral sensor, wherein the chiral sensor comprises a substrate, the substrate is provided with a channel layer, the channel layer is a functionalized graphene film, the functionalized graphene film middle part modified with chiral recognition molecule to form a chiral identification layer; two ends of the functionalized graphene film provided with a source electrode and a drain electrode, the sensor further comprising a liquid gate electrode. The sensor of the utility model can quickly, accurately and sensitively detect the chiral compound, and can real time, continuity is detected. overcomes the traditional detecting technology high instrument cost and long analyzing time, difficult to continuous monitoring.