In pH=7.5 phosphate buffer solution,a couple of redox peaks was observed by(cyclic) sweeping between-0.4 V and 0.6 V at 250 mV/s with the peak potential(E_(pa)=0.206 V) and E_(pc)=0.104 V(vs Ag/AgCl),respectively.

• 结果表明；多巴胺在pH=7.；5的磷酸盐缓冲溶液中；在聚L-异白氨酸修饰玻碳电极上产生1对灵敏的氧化还原峰；峰电位分别为Epa=0