512692.fig.005a
(a)
512692.fig.005b
(b)
Figure 5: (a) Simultaneous detection of  M DA,  M AA, and  M UA at BGPE (solid line) and at poly(XO)/GPE (dashed line) by CV at scan rate of 50  mV s−1. (b) Simultaneous detection of  M DA,  M AA, and  M UA at BGPE (solid line) and at poly(XO)/GPE (dashed line) by DPV at scan rate of 20  mV s−1.