期刊
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
卷 120, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2020.105261
关键词
Poly(eriochrome black T); Electrochemical sensor; Cyclic voltammetry; Modified electrode; Methdilazine; Healthcare applications
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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