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<p>In this research study, we have successfully synthesized MXene, Zeolitic imidazolate framework-8 (ZIF-8) (MOF), MXene/metal-organic framework (MXOF) composite materials using chemical etching and precipitation method to investigate the electrochemical detection of sulfamethoxazole (SMX). The morphology of the synthesised materials was confirmed and an electrode was prepared to perform a cyclic voltammetry (CV) in phosphate buffer saline (PBS - pH 7) medium to examine the redox behaviour SMX. The electrodes show the enhancement of sensitivity from 41.29 µAmM<sup>−1</sup>cm<sup>−2</sup> to 77.13 µAmM<sup>−1</sup>cm<sup>−2</sup> with a linear range from 100 to 1000 µl. Compared to MXene and MOF, MXOF shows a good response in the limit of Detection (LOD). Accuracy and efficient monitoring of water quality are confirmed by the recovery rates with a relative standard deviation (RSD) of less than 3% for the MXOF electrode. The prepared electrode displays a potential for biomaterial applications in real-time monitoring.</p><p></p>

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Electrochemical detection of sulfamethoxazole antibiotics in water using MXene/ZIF-8 composite modified glassy carbon electrode

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月21日

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  • Seyadu Abuthahir P,
  • Manikandan M,
  • Manikandan E

摘要

In this research study, we have successfully synthesized MXene, Zeolitic imidazolate framework-8 (ZIF-8) (MOF), MXene/metal-organic framework (MXOF) composite materials using chemical etching and precipitation method to investigate the electrochemical detection of sulfamethoxazole (SMX). The morphology of the synthesised materials was confirmed and an electrode was prepared to perform a cyclic voltammetry (CV) in phosphate buffer saline (PBS - pH 7) medium to examine the redox behaviour SMX. The electrodes show the enhancement of sensitivity from 41.29 µAmM−1cm−2 to 77.13 µAmM−1cm−2 with a linear range from 100 to 1000 µl. Compared to MXene and MOF, MXOF shows a good response in the limit of Detection (LOD). Accuracy and efficient monitoring of water quality are confirmed by the recovery rates with a relative standard deviation (RSD) of less than 3% for the MXOF electrode. The prepared electrode displays a potential for biomaterial applications in real-time monitoring.