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Abstract: A novel imprinted electrochemical sensor based on graphene/carbon nanotubes three-dimensional (3D) nanocomposites modified carbon electrode was developed for the determination of tetrabromobisphenol A. The imprinted film was prepared by one-step electrodeposition technique with pyrrole as the functional monomer and tetrabromobisphenol A as the template molecule. The imprinted sensor was used for the determination of tetrabromobisphenol A with differential pulse voltammetry. A linear relationship between the response currents and the negative logarithm of tetrabromobisphenol A concentrations was obtained in the concentrations range of 1.0 x 10-11 - 1.0 x 10-8 mol L-1 with a detection limit of 3.7 x 10-12 mol L-1 (S/N=3). The proposed imprinted sensor showed excellent selectivity towards tetrabromobisphenol A. With good reproducibility and stability, the imprinted electrochemical sensor was used to detect tetrabromobisphenol A in fish samples successfully with the recoveries of 93.3 - 107.7%
Template and target information: tetrabromobisphenol A
Author keywords: Imprinted electrochemical sensor, Tetrabromobisphenol A, Graphene and carbon nanotubes, Three-dimensional nanocomposites, Carbon electrode