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<p>Bisphenol A is an endocrine-disrupting element that is used for packaging food and beverages. The leaching of bisphenol into food and the water source can cause humans and the environment damage. A sensitive method is required to detect this agent across diverse domain. Herein, a sensitive, easy, and selective electrochemical sensor based on (5,10,15,20-tetraphenylporphyrinato) magnesium (II) (MgTPP) for bisphenol A (BPA) detection. The detection platform was prepared using indium tin oxide (ITO) as working electrode through deposition of MgTPP by drop coating. The immobilization of sensitive film was successfully confirmed through contact angle (CA), scanning electron microscopy (SEM), electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). The obtained electrode ITO/MgTPP has been applied as an electrochemical platform for monitoring bisphenol A using differential pulse voltammetry (DPV) technique, it exhibits linear response on the range of concentration 10<sup>–7</sup>&#xa0;M to 10<sup>–4</sup>&#xa0;M with a low limit of detection LOD of around 90&#xa0;nM. The developed sensor exhibits high selectivity and reproducibility. Furthermore, the combination of ITO/MgTPP shows great promise for practical application in water samples.</p>

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A Novel Electrochemical Sensor for the Detection of Endocrine Disruptor Bisphenol A Based on Magnesium (II) Porphyrin

  • 期刊论文

  • 发表日期：

    2025年7月16日

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  • Fatma Rejab,
  • Ahlem Rouis,
  • Mosaab Echabaane,
  • Arbia Ben Khelifa,
  • Khaireddine Ezzayani

摘要

Bisphenol A is an endocrine-disrupting element that is used for packaging food and beverages. The leaching of bisphenol into food and the water source can cause humans and the environment damage. A sensitive method is required to detect this agent across diverse domain. Herein, a sensitive, easy, and selective electrochemical sensor based on (5,10,15,20-tetraphenylporphyrinato) magnesium (II) (MgTPP) for bisphenol A (BPA) detection. The detection platform was prepared using indium tin oxide (ITO) as working electrode through deposition of MgTPP by drop coating. The immobilization of sensitive film was successfully confirmed through contact angle (CA), scanning electron microscopy (SEM), electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). The obtained electrode ITO/MgTPP has been applied as an electrochemical platform for monitoring bisphenol A using differential pulse voltammetry (DPV) technique, it exhibits linear response on the range of concentration 10–7 M to 10–4 M with a low limit of detection LOD of around 90 nM. The developed sensor exhibits high selectivity and reproducibility. Furthermore, the combination of ITO/MgTPP shows great promise for practical application in water samples.