Electrochemical sensor for dopamine based on a novel graphene-molecular imprinted polymers composite recognition element

► We synthesized a novel molecular imprinted polymer based on surface imprinting method. ► The free radical polymerization was occurred at the graphene sheets surface. ► The synthesized polymer possesses fast adsorption dynamics and excellent template recognition capacity. ► Therefore, the polymer was applied as a molecular recognition element to construct dopamine electrochemical sensor. ► And this sensor exhibit many outstanding performances.