Figure 3

(a) CV scans of bare electrode (black), QDs (red) and MAA-QDs (blue) modified GC electrodes. (b) Variation in the CV of MAA-QDs (black) after conjugation with different dilutions of COx: 1:1 (red), 1:10 (blue), 1:100 (green), and 1:1000 dilution (pink) COx conjugated QDs.