▎ 摘　　要

NOVELTY - Detection of kaempferol molecule by print sensor involves adding nano-gold graphene-modified solution into reactor, adding 90-95 wt.% deionized water, 1-3.0 wt.% chlorinated acid and 2.5-8 wt.% fumarite, and ultrasonically dispersing at room temperature for 15 minutes to obtain nano-gold graphene modified solution; and dispersing kaempferol molecularly imprinted polymer into 1 wt.% animal glue solution to obtain 22 g/L kaempferol molecularly imprinted polymer solution, dropping into nano-gold graphene modified glassy carbon electrode, and evaporating and drying solvent to obtain product. USE - Method for detecting kaempferol molecule by print sensor. ADVANTAGE - The method has high compatibility, selectivity, sensitivity, good specificity and rapid detection, and can be used repeatedly. DETAILED DESCRIPTION - Detection of kaempferol molecule by print sensor comprises adding nano-gold graphene-modified solution into reactor, adding 90-95 wt.% deionized water, 1-3.0 wt.% chlorinated acid and 2.5-8 wt.% fumarite, and ultrasonically dispersing at room temperature for 15 minutes to obtain nano-gold graphene modified solution; turning 0.2 mu m glassy carbon electrode, adding 0.01 mu m polishing powder, ultrasonically cleaning with secondary distilled water, washing with ethanol, drying, dropping 18-20 mu L nano-gold graphene modified solution into glass carbon electrode surface, placing into infrared lamp, and adding volatile dry solvent to obtain nano-gold graphene modified glassy carbon electrode; mixing 40-50 wt.% ethanol, 10-14 wt.% ethylene glycol dimethacrylate, 5-8 wt.% styrene, 30-35 wt.% 1-butyl-2,3-dimethylimidazolium hexafluorophosphate, 1.0-2.0 wt.% azobisisobutyronitrile and 2.0-5.0 wt.% kaempferol into reactor, stirring for 10 minutes under inert gas atm under 55 plus minus 2 degrees C for 28-30 hours, immersing obtained product into methanol and acetic acid mixture at mass ratio of 10:1 for 12-15 hours, removing template molecule and drying to obtain kaempferol molecularly imprinted polymer; and dispersing kaempferol molecularly imprinted polymer into 1 wt.% animal glue solution to obtain 22 g/L kaempferol molecularly imprinted polymer solution, dropping 12-15 mu L kaempferol molecularly imprinted polymer solution into nano-gold graphene modified glassy carbon electrode, and evaporating and drying solvent by placing into infrared lamp to obtain product.