Voltammetric Determination of Uric Acid in Clinical Serum Samples Using DMF Modified Screen Printed Carbon Electrodes

Figure 4

(a) Differential pulse voltammetry (a) of different concentrations of uric acid (0 μM, 5 μM, 50 μM, 100 μM, and 500 μM) in 0.1 M PBS (pH 7) at scan rate of 10 mV/s, pulse amplitude of 240 mV, and pulse period of 100 ms, and plot of peak current versus the linear dynamic range concentration of UA (1-100 μM (b) and 100-500 μM (c)).

(a)

(b)

(c)