The results of the experiment showed that the modified electrode exerts an apparent catalytic effect on the EP oxidation. The peak potentials recorded in PBS buffer solution (pH 7.6) were 0.124 V for AA and 0.192 V for EP.

• 在pH7.；6的磷酸缓冲溶液(PBS)中；抗坏血酸(AA)和EP在修饰电极上的电位分别为-0