CAJ | 학술논문

制备了石墨烯修饰电极,研究了肾上腺素在修饰电极上的电化学行为.实验结果表明,石墨烯修饰电极对肾上腺素有明显的催化作用.在pH=5的柠檬酸-磷酸氢二钠的缓冲溶液中,肾上腺素的氧化峰电流与浓度在2.0×10-4～2.0×10-3 mol/L范围内呈线性关系,检出限为2.0×10-6 mol/L.修饰电极表现出良好的稳定性.
제비료석묵희수식전겁,연구료신상선소재수식전겁상적전화학행위.실험결과표명,석묵희수식전겁대신상선소유명현적최화작용.재pH=5적저몽산-린산경이납적완충용액중,신상선소적양화봉전류여농도재2.0×10-4～2.0×10-3 mol/L범위내정선성관계,검출한위2.0×10-6 mol/L.수식전겁표현출량호적은정성.
Graphene modified glassy carbon electrode was prepared,and the electrochemical behaviors of epinephrine was studied on this modified electrode.Experimental results show that the graphene modified electrode has excellent catalytic properties for redox of epinephrine.In PBS（pH=5） solution,the oxidation peak current was linear with the concentration of EP in the range of 2.0×10-4 mol/L~2.0 ×10-3mol/L.The detection limit is 2.0×10-6mol/L.The modified electrode showed good stability