Electrochemical Determination of Adrenaline Using Voltammetric Sensor Employing NiO/CNTs Based Carbon Paste Electrode

被引：33
|
作者：
Gupta, Vinod Kumar [1 ]
Mahmoody, Hamide [2 ]
Karimi, Fatemeh [3 ]
Agarwal, Shilpi [1 ]
Abbasghorbani, Maryam [4 ]
机构：
[1] Univ Johannesburg, Dept Appl Chem, Johannesburg, South Africa
[2] Natl Iranian Copper Ind Co NICICO, Kerman, Iran
[3] Islamic Azad Univ, Dept Chem, Sari Branch, Sari, Iran
[4] Res Inst Petr Ind, Gas Div, POBox 14665-137, Tehran, Iran
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 01期
关键词：
NiO/CNTs nanocomposite; Modified electrode; Adrenaline; Voltammeric determination; SELECTIVE DETERMINATION; POTENTIOMETRIC SENSOR; OXIDE NANOPARTICLES; L-CYSTEINE; URIC-ACID; NANOTUBES; EPINEPHRINE; DOPAMINE; NOREPINEPHRINE; PARACETAMOL;
D O I：
10.20964/2017.01.69
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In the presence study we tried for synthesis of NiO/CNTs nanocomposite and application of synthesized nanocomposite for fabrication of NiO/CNTs nanocomposite modified carbon paste electrode (CPE/NiO/CNTs) as highly square wave voltammetric sensors for determination of adrenaline. The NiO/CNTs was characterized with transmission electron microscopy (TEM) and x-ray powder diffraction (XRD) methods. The electro-oxidation signal of adrenaline showed an irreversible response at 0.3 V. The oxidation current of adrenaline improved similar to 2.0 times compared to carbon paste electrode. At the best electrochemical conditions, the voltammetric oxidation signal of adrenaline showed linear dynamic ranges (0.08-900.0 mu M) with a detection limit of 0.01 mu M. The CPE/NiO/CNTs has been found highly selective tool for the detection of adrenaline in ampule and urine samples.
引用
收藏
页码：248 / 257
页数：10
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