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. 2018 Mar 2;10(3):41. doi: 10.1007/s40820-018-0193-5

Fig. 2.

Fig. 2

Schematic illustration of carbon screen-printed electrode: CE counter electrode, RE reference electrode. Working electrode surface is with sequence of surface modifications for bioassay fabrication. The e-RGO (electroreduced graphene oxide)-modified SPEs were then functionalized with cortisol and lactate antibodies to develop a biointerface for label-free electrochemical immunosensing