Fig. 3
From: Graphene quantum dot nanocomposites: electroanalytical and optical sensor technology perspective
Wearable biosensor developed with BGQDs/CNTs: a Picture of practical use for the flexible electrode constructed from BGQDs/CNTs. b DPV curves for the flexible BGQDs/CNTs electrode in the UA concentration range of 0–50 μM. c Amperometric responses of a flexible BGQDs/CNTs electrode at an applied potential of 0.2 V. d UA calibration curve for flexible BGQDs/CNTs electrode with a linear range of 0–50 μM. e Time sequence diagram for the flexible BGQDs/CNTs electrode with the UA level and time (Reproduce with permission from Ref. Wang et al. 2022, Copyright 2022, American Chemical Society)