Figure 4

(a) E_pa and E_pc as a function of \(ln\sqrt{v}\)/mVs⁻¹ for GCE (black cline), QDs (red line) and MAA-QDs (blue line) modified GCE.(b) E_pa and E_pc as a function of \(ln\sqrt{v}\)/mVs⁻¹ for (a) 1:1, (b) 1:10, (c) 1:100, and (d) 1:1000 COx conjugated MAA-CdSe/ZnS QDs modified GCE. (c) I_pa and I_pc as a function of \(\sqrt{v}\)/mVs⁻¹ for GCE (black line), QDs (red line) and MAA-QDs (blue line) modified GCE. (d) I_pa and I_pc as a function of \(\sqrt{v}\)/mVs⁻¹ for 1:1 (black line), 1:10 (red line), 1:100 (blue line), and 1:1000 (green line) dilutions COx-MAA-QDs modified GCE.