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A Fenclorim Molecularly Imprinted Electrochemical Sensor Based on a Polycatechol/Ti3C2Tx Composite
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A Fenclorim Molecularly Imprinted Electrochemical Sensor Based on a Polycatechol/Ti3C2Tx Composite
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Journal Article
A Fenclorim Molecularly Imprinted Electrochemical Sensor Based on a Polycatechol/Ti3C2Tx Composite
2025
Overview
Given the significance of safeners and their potential to emit harmful substances into the environment, it is essential to develop suitable analytical methods for detecting these compounds. This study presents a molecularly imprinted electrochemical sensor designed for the sensitive and rapid detection of fenclorim (FM), a type of safener. Titanium carbide nanomaterials (Ti3C2Tx) were electrochemically deposited onto the glassy carbon electrode (GCE) to enhance electron transfer. Subsequently, molecularly imprinted polymers were fabricated through the electropolymerization of catechol in the presence of FM. The electrochemical behavior of each modified electrode was investigated using differential pulse voltammetry (DPV) and electrochemical impedance spectroscopy (EIS). Under optimized experimental conditions, the MIP/Ti3C2Tx/GCE sensor demonstrated a linear relationship with FM concentration ranging from 5 to 300 nM, with a limit of detection (LOD) of 1.56 nM (S/N = 3). Additionally, the sensor demonstrated excellent selectivity, stability, and reproducibility for FM detection and was successfully utilized for quantifying FM in real water samples.
Publisher
MDPI AG,Multidisciplinary Digital Publishing Institute (MDPI)
Subject
