Ultrasensitive and selective voltammetric aptasensor for dopamine based on a conducting polymer nanocomposite doped with graphene oxide Home » Ultrasensitive and selective voltammetric aptasensor for dopamine based on a conducting polymer nanocomposite doped with graphene oxide October 6, 2023October 26, 2023 by admin W. Wang, J.J. Davis, X. Luo Microchimica Acta, 2014.