Poly(eriochrome black T) modified electrode for electrosensing of methdilazine

被引：41
|
作者：
Shetti, Nagaraj P. [1 ]
Ilager, Davalasab [1 ]
Malode, Shweta J. [1 ]
Monga, Divya [2 ]
Basu, Soumen [2 ]
Reddy, Kakarla Raghava [3 ]
机构：
[1] KLE Inst Technol, Ctr Electrochem Sci & Mat, Dept Chem, Hubballi 580030, Karnataka, India
[2] Thapar Inst Engn & Technol, Sch Chem & Biochem, Patiala 47004, Punjab, India
[3] Univ Sydney, Sch Chem & Biomol Engn, Sydney, NSW 2006, Australia
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2020年 / 120卷
关键词：
Poly(eriochrome black T); Electrochemical sensor; Cyclic voltammetry; Modified electrode; Methdilazine; Healthcare applications; CARBON-PASTE ELECTRODE; ELECTROCHEMICAL SENSOR; VOLTAMMETRIC DETERMINATION; ASCORBIC-ACID; ELECTROCATALYTIC OXIDATION; BIOLOGICAL-FLUIDS; FLUFENAMIC ACID; NANOTUBES; FILM; SYNERGISM;
D O I：
10.1016/j.mssp.2020.105261
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The current research work is based on the development of an electrode modified by using an indicator, poly (eriochrome black T) (poly-EBT) for the determination of methdilazine hydrochloride (MDH). Excellent electrocatalytic, semiconducting properties of poly-EBT influences the enhanced peak current of MDH. Different voltammetric techniques like cyclic, square wave voltammetry were employed. The association happens among metallochromic indicators, poly-EBT, and positively charged MDH at the surface of the working electrode. The characterization of poly-EBT modified CPE was studied with the help of atomic force microscopy technique (AFM). The concentration of MDH was determined using poly-EBT modified electrode in the wide concentration range 1.0 x 10(7) M to 0.5 x 10(-4) M with LOD value of 2.57 x 10(-8) M. Poly-EBT modified electrode showed enhanced the sensitivity and selectivity for the determination of MDH in human urine samples and pharmaceutical dosage forms.
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页数：9
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