Fig. 3
From: An electrochemical biosensor for the detection of microRNA-31 as a potential oral cancer biomarker
Electrochemical impedance response for various optimization steps on the developed glassy carbon electrode. Graphene loading on the bare electrode and its effect in DRCT (A). DNA concentration and its effect in DRCT (B). RNA hybridization time and its impact in DRCT (C). RNA hybridization temperature and its effect in DRCT (D)