Ultrasensitive Detection of Ferulic Acid Using Poly(diallyldimethylammonium chloride) Functionalized Graphene-Based Electrochemical Sensor
Figure 4
CVs of PDDA-G/GCE in the presence of FA (5.86 × 10−6 M) at different pH (2.0, 3.0, 4.0, 5.0, and 6.0); inset: (a) the relationship between the anodic peak potentials and the pH; (b) the relationship between the anodic peak currents and the pH.
