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<p>This attempt was made to introduce an electrochemical sensor based on flower-like MoSe<sub>2</sub> microspheres (FL-MoSe<sub>2</sub> MS) with low cost and high sensitivity. Phosphate buffer solution (PBS) was used as an electrolyte solution with a pH 7.0 for this purpose. According to obtained experimental data, the proposed electrochemical&#xa0;sensor had an excellent analytical response toward bisphenol A (Bph-A) detection. Using DPV, the developed FL-MoSe<sub>2</sub> MS modified screen-printed electrode (SPE) sensor showed linear dynamic range for Bph-A of 0.1–370.0&#xa0;μM with the limit of detection of 0.032&#xa0;μM. Moreover, DPV was utilized to simultaneously determine Bph-A and Sudan I (Su-I). Additionally, the&#xa0;FL-MoSe<sub>2</sub> MS/SPE sensor was nearly successful in detecting Bph-A and Su-I in a real sample.</p> Graphical abstract <p></p>

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Synthesis and characterization of nanosheet-assembled flower-like MoSe2 microspheres for enhanced electrochemical detection of bisphenol A and Sudan I

  • 期刊论文

  • 发表日期：

    2025年12月17日

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  • Reza Zaimbashi,
  • Tayebeh Shamspur,
  • Ali Mostafavi

摘要

This attempt was made to introduce an electrochemical sensor based on flower-like MoSe2 microspheres (FL-MoSe2 MS) with low cost and high sensitivity. Phosphate buffer solution (PBS) was used as an electrolyte solution with a pH 7.0 for this purpose. According to obtained experimental data, the proposed electrochemical sensor had an excellent analytical response toward bisphenol A (Bph-A) detection. Using DPV, the developed FL-MoSe2 MS modified screen-printed electrode (SPE) sensor showed linear dynamic range for Bph-A of 0.1–370.0 μM with the limit of detection of 0.032 μM. Moreover, DPV was utilized to simultaneously determine Bph-A and Sudan I (Su-I). Additionally, the FL-MoSe2 MS/SPE sensor was nearly successful in detecting Bph-A and Su-I in a real sample.

Graphical abstract