A Nanocomposite Paste Electrode Sensor for Simultaneous Detection of Uric Acid and Bisphenol A Using Zinc Hydroxide Nitrate-Sodium Dodecylsulfate Bispyribac

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Yulkifli, Yulkifli and Yandes, Widya Putri and Isa, Illyas Md and Hashim, Norhayati and Ulianas, Alizar and Sharif, Sharifah Norain Mohd and Saidin, Mohamad Idris and Ahmad, Mohamad Syahrizal and Yazid, Siti Nur Akmar Mohd and Suyanta, Suyanta and Nuryadi, Ratno and Abd Azis, Nurashikin (2023) A Nanocomposite Paste Electrode Sensor for Simultaneous Detection of Uric Acid and Bisphenol A Using Zinc Hydroxide Nitrate-Sodium Dodecylsulfate Bispyribac. Sensors, 23 (20). p. 8366. ISSN 1424-8220

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Official URL: https://doi.org/10.3390/s23208366

Abstract

The fabrication of a zinc hydroxide nitrate-sodium dodecylsulfate bispyribac modified with multi-walled carbon nanotube (ZHN-SDS-BP/MWCNT) paste electrode for uric acid and bisphenol Adetection was presented in this study. Electrochemical impedance spectroscopy, chronocoulometry, square-wave voltammetry, and cyclic voltammetry were all used to examine the electrocatalytic activities of modified paste electrodes. The modified electrode’s sensitivity and selectivity have been considered in terms of the composition of the modifier in percentages, the types of supporting electrolytes used, the pH of the electrolyte, and square-wave voltammetry parameters like frequency, pulse size, andstepincrement. Square-wavevoltammetryisperformedbyapplyingasmallamplitude square-wave voltage to a scanning potential from 0.3 V to +1.0 V, demonstrating a quick response time and high sensitivity. The ZHN-SDS-BP/MWCNT sensor demonstrated a linear range for uricThe fabrication of a zinc hydroxide nitrate-sodium dodecylsulfate bispyribac modified with multi-walled carbon nanotube (ZHN-SDS-BP/MWCNT) paste electrode for uric acid and bisphenol Adetection was presented in this study. Electrochemical impedance spectroscopy, chronocoulometry, square-wave voltammetry, and cyclic voltammetry were all used to examine the electrocatalytic activities of modified paste electrodes. The modified electrode’s sensitivity and selectivity have been considered in terms of the composition of the modifier in percentages, the types of supporting electrolytes used, the pH of the electrolyte, and square-wave voltammetry parameters like frequency, pulse size, andstepincrement. Square-wavevoltammetryisperformedbyapplyingasmallamplitude square-wave voltage to a scanning potential from 0.3 V to +1.0 V, demonstrating a quick response time and high sensitivity. The ZHN-SDS-BP/MWCNT sensor demonstrated a linear range for uric

Item Type:	Article
Uncontrolled Keywords:	layered double hydroxide; modified paste electrode; uric acid; bisphenol A
Subjects:	Chemistry
Depositing User:	Mrs Titi Herawati
Date Deposited:	03 Dec 2025 03:41
Last Modified:	03 Dec 2025 03:41
URI:	https://karya.brin.go.id/id/eprint/55536

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