Figure 6

(a) Cyclic Voltammograms verifying hybridization of the different conc. of the complementary target DNA at PDNA/MoS₂NSs/SPGE (0.1 nM to 100 µM) in 0.1 M phosphate buffer saline (pH 7.8) and 1 µM MB in the potential range from −0.6 to +0.4 V. (b) Nyquist Plot verifying hybridization of the different conc. of the complementary target DNA at PDNA/MoS₂NSs/SPGE (0.1 nM to 80 µM) in 0.1 M phosphate buffer saline (pH 7.8) and 1 µM MB (frequency range of 100 Hz–10³ kHz). (c) The calibration plot of the TDNA/PDNA/MoS₂NSs/SPGE electrode as a function of the logarithmic concentration of the Target DNA and anodic peak current. (d) The calibration plot of the TDNA/PDNA/MoS₂NSs/SPGE electrode as a function of the logarithmic concentration of the Target DNA and change in resistance charge transfer.