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Measurements of biosensor fabrication steps: (A) cyclic voltammograms for the bare and modified Au electrode, (B) electrochemical impedance spectra for the bare and modified Au electrode, (C) cyclic voltammograms for the bare and modified GC electrode, (D) electrochemical impedance spectra for bare and modified GC electrode. Registered in 5 mM K3[Fe(CN)6]/K4[Fe(CN)6]/0.01 M PBS. Insets represent electric equivalent circuit (EEQC) utilized for fitting and data analysis.
