Research Article

Simultaneous Determination of Uric Acid and Xanthine Using a Poly(Methylene Blue) and Electrochemically Reduced Graphene Oxide Composite Film Modified Electrode

Figure 5

CVs of bare GCE, PMB/GCE, ERGO/GCE, and PMB-ERGO/GCE in the mixture solution of UA and Xa and PBS (pH 3.0) at a scan rate of 0.14 V·s−1 with quiet time for 2 min.