In this study, a sensor based on tetrabutylammonium octamolybdate (Bu₄N)₄ (Mo₈O₂₆) (POM) has been immobilized on the indium tin oxide (ITO) coated glass substrates using the poly(allylamine hydrochloride) (PAH) for a selective determination of cloxacillin. The morphology and the hydrophobicity of the modified electrodes were examined using the scanning electron microscopy (SEM) and contact angle measurements (CAM), respectively. The electrochemical impedance spectroscopy (EIS) is used to follow the detection progress of cloxacillin in the darkness and under illumination with the lowest limits of detection (10^–11.5 M) and a wide linear range of 10⁻¹¹ to 10⁻⁷ M. The evolution of the equivalent electrical circuit’s parameters was studied to establish the ability of the light excitation to improve the cloxacillin detection.

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在这项研究中，使用聚烯丙基胺盐酸盐（PAH）将基于八丁基钼酸四丁铵（Bu ₄ N）₄（Mo ₈ O ₂₆）（POM）的传感器固定在氧化铟锡（ITO）涂层的玻璃基板上氯西林的选择性测定。分别使用扫描电子显微镜（SEM）和接触角测量（CAM）检查改性电极的形貌和疏水性。电化学阻抗谱（EIS）用于跟踪在黑暗和光照下氯沙西林的检测进展，检测限最低（10 ^–11.5  M），线性范围为10 ^-11至10 ^-7 M.研究了等效电路参数的演变，以建立光激发以改善氯西林检测的能力。

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