Ultrasensitive Detection of Ferulic Acid Using Poly(diallyldimethylammonium chloride) Functionalized Graphene-Based Electrochemical Sensor
Figure 5
CVs of PDDA-G/GCE in the presence of FA (5.86 × 10−6 M) with different scan rates (10, 30, 50, 70, 90, 110, 130, 150, 170, 190, 210, 230, and 250 mV s−1) in pH 3.0 acetate buffer solution; inset: the relationship between the logarithm of the peak currents and the logarithm of the scan rates.
