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. 2023 Nov 6;9:137. doi: 10.1038/s41378-023-00601-4

Fig. 1. Schematic of the glassy carbon electrode fabrication and its characterizations.

Fig. 1

a Graphic representation of the transformation of SU-8 electrode to GCE. b Raman spectroscopy result of unmodified GCE. c SEM image of the GCE surface modification followed by electrochemical sensing