Fig. 2From: Real-time monitoring of serotonin with highly selective aptamer-functionalized conducting polymer nanohybridsCharacteristics of the aptamer-immobilized serotonin sensor. a Schematic illustration of the aptamer-immobilized electrode. b Fluorescence images of the surface-modified films with aptamers (left: aptamer alone; right: fluorescent probe-linked aptamer). c I-V curve of the surface-immobilized serotonin detection sensor platform. d XPS data with a P 2p peak, demonstrating aptamer attachment on the PEDOT film. e FT-IR data of the PEDOT nanohybrids after aptamer immobilizationBack to article page