Figure 8

(a) Nyquist plots of [Fe(CN)6]3−/4− recorded at Au NPs/MWCNTs/GCE in the presence of 30 nmol L−1 Mesna in B–R buffer solution with various incubation times. (b) Corresponding plot of ΔRct vs. time.

(a) Nyquist plots of [Fe(CN)6]3−/4− recorded at Au NPs/MWCNTs/GCE in the presence of 30 nmol L−1 Mesna in B–R buffer solution with various incubation times. (b) Corresponding plot of ΔRct vs. time.