Fig. 6From: Recent advances in nanomaterial-modified electrical platforms for the detection of dopamine in living cellsa Schematic illustration of electrode fabrication. b The plot of fabricated electrodes with various concentrations of dopamine. c Selectivity test of dopamine against interfering substances. d The current change test with KCl stimulation (arrow points) of PC12 cells. With permission from [61]; Copyright 2019, ElsevierBack to article page