Simultaneous determination of dopamine, uric acid and nitrite using carboxylated graphene oxide/lanthanum modified electrode
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- 作者：Fengying Ye ; Chenqi Feng ; Jibo Jiang ; jibojiang0506@163.com" class="auth_mail" title="E-mail the corresponding author ; Sheng Han ; hansheng654321@sina.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Carboxylated graphene oxide ; Lanthanum ; Dopamine ; Uric acid ; Nitrite
- 刊名：Electrochimica Acta
- 出版年：2015
- 出版时间：10 November 2015
- 年：2015
- 卷：182
- 期：Complete
- 页码：935-945
- 全文大小：3313 K
文摘
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The carboxylated graphene oxide/lanthanum-modified glassy carbon electrode (GO-COOLa/GCE) was successfully utilized for the simultaneous detection and quantification of DA, UA and NO2−.
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Combining the benefits of carboxylated graphene oxide and lanthanum, the modified sensor displayed large peak separations, long linear ranges and low detection limits for simultaneously detecting DA, UA and NO2−.
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The GO-COOLa/GCE electrode showed well stability, good repeatability, rapid response, and high catalytic performance toward the oxidations of DA, UA and NO2−.