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<p>A novel approach is introduced for detection of pendimethalin (PEN) -&#xa0;one of the most widely utilized herbicides-&#xa0; based on the synergistic properties of molecularly imprinted polymers (MIPs) and a CuO-Bi<sub>2</sub>MoO<sub>6</sub> (Cu-Bi-Mo) nanocomposite. The methodology combined the specific recognition capabilities of MIPs with the enhanced sensing performance provided by the advanced nanocomposite material. The synthesis of the Cu-Bi-Mo nanocomposite was initiated through the application of the sol-gel method. After the glassy carbon electrode’s modification with the Cu-Bi-Mo nanocomposite, PEN imprinted electrodes were fabricated using cyclic voltammetry (CV) with a dispersion containing 100.0 mM pyrrole (Py) monomer and 25.0 mM PEN molecule. The electrochemical sensor revealed a detection range of 1.0 × 10<sup>− 9</sup> M to 1.0 × 10<sup>− 8</sup> M PEN and achieved a detection limit (LOD) of 3.30 × 10<sup>− 10</sup> M. To demonstrate its practical applicability, the electrochemical sensor was applied to drinking water and orange juice samples, yielding recovery results near 100%. This high recovery indicated the exceptional precision and reliability of the proposed electrochemical sensor. The electrochemical sensor’s performance was thoroughly assessed across several key metrics including selectivity, stability, and reproducibility.</p> Graphical Abstract <p></p>

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Pendimethalin imprinted electrochemical sensor based on CuO-Bi2MoO6 nanocomposite and pendimethalin detection in real samples

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月7日

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  • Mustafa Anıl Erbağcı,
  • Bahar Bankoğlu Yola,
  • Neslihan Özdemir,
  • Mehmet Lütfi Yola

摘要

A novel approach is introduced for detection of pendimethalin (PEN) - one of the most widely utilized herbicides-  based on the synergistic properties of molecularly imprinted polymers (MIPs) and a CuO-Bi2MoO6 (Cu-Bi-Mo) nanocomposite. The methodology combined the specific recognition capabilities of MIPs with the enhanced sensing performance provided by the advanced nanocomposite material. The synthesis of the Cu-Bi-Mo nanocomposite was initiated through the application of the sol-gel method. After the glassy carbon electrode’s modification with the Cu-Bi-Mo nanocomposite, PEN imprinted electrodes were fabricated using cyclic voltammetry (CV) with a dispersion containing 100.0 mM pyrrole (Py) monomer and 25.0 mM PEN molecule. The electrochemical sensor revealed a detection range of 1.0 × 10− 9 M to 1.0 × 10− 8 M PEN and achieved a detection limit (LOD) of 3.30 × 10− 10 M. To demonstrate its practical applicability, the electrochemical sensor was applied to drinking water and orange juice samples, yielding recovery results near 100%. This high recovery indicated the exceptional precision and reliability of the proposed electrochemical sensor. The electrochemical sensor’s performance was thoroughly assessed across several key metrics including selectivity, stability, and reproducibility.

Graphical Abstract