Sensitive Determination of Dopamine and Paracetamol Based on Carbon Nanotubes-Supported Pd Nanoparticles

被引：6
作者：
Yang, Haitang [1 ,2 ]
Zhao, Xiaoyu [1 ]
Chang, Haibo [2 ]
Xing, Ruimin [1 ,2 ]
Yang, Jing-He [2 ]
Liu, Shanhu [1 ,2 ]
Liu, Xiuhua [2 ]
机构：
[1] Henan Univ, Coll Chem & Chem Engn, Inst Mol & Crystal Engn, Henan Key Lab Polyoxometalate Chem, Kaifeng 475004, Peoples R China
[2] Henan Univ, Coll Chem & Chem Engn, Inst Environm & Analyt Sci, Kaifeng 475004, Henan, Peoples R China
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2018年 / 18卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Carbon Nanotubes; Palladium; Sensor; Dopamine; Paracetamol; SIMULTANEOUS ELECTROCHEMICAL DETERMINATION; PALLADIUM NANOPARTICLES; MESOPOROUS SILICA; GRAPHENE OXIDE; ASCORBIC-ACID; L-GLUTAMATE; URIC-ACID; ELECTRODE; FABRICATION; COMPOSITE;
D O I：
10.1166/jnn.2018.13925
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel chemically modified electrode was constructed in this study based on the carbon nanotubes-supported Pd nanoparticles (Pd/CNTs). It was demonstrated that the sensor could be used for the determination of dopamine (DA) and paracetamol (PA). The measurements were carried out through application of cyclic voltammetry (CV), differential pulse voltammetry (DPV) and amperometric i-t curve. Under optimum conditions and using the amperometric i-t curve method, the modified electrode provided linear response versus dopamine concentrations in the range of 0.3 x 10(-6)-5.0 x 10(-5) M and PA concentrations in the range of 0.2 x 10(-6)-6.0 x 10(-5) M, respectively. The detection limits for the DA and PA were 9.1 x 10(-8) M and 8.9 x 10(-8) M (S/N= 3), respectively. The sensitivities for of the electrode were 0.928 and 1.532 mu A mu M-1 cm(-1), respectively.
引用
收藏
页码：500 / 509
页数：10
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