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Antolin Jesila Jesu Amalraj,Umesh Narasimha Murthy,Sea-Fue Wang 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.108 No.-
Herein, we have fabricated silver (Ag) over selenium (Se) to explore its enriched electrochemical performancetowards the simultaneous detection of nitro-aromatic drugs (nitrofurantoin (NFT) and Pnitrophenol(P-NP)). Due to its synergistic effect, Ag/Se modified GCE showed excellent electrocatalyticactivity compared to other electrodes. Well-defined and divergent reduction peaks wereobtained at 0.49 V (NFT) and 0.85 V (P-NP) with a detection range of 0.9 V at Ag/Se/GCE. It withholdsan extensive linear range of 0.1 to 210 mM for NFT and 0.1 to 150 mM for P-NP with a nanomolar leveldetection limit of 23.87 nM L1 & 7.82 nM L1; an appraisable sensitivity of 1.138 mA mM1 cm2 &2.86 mA mM1 cm2 for NFT and P-NP, respectively. Interestingly, the electrode possesses a high selectivityin the presence of biomolecules, nitro drugs, and metal ions. Examination of nitro-aromatic drug contaminationon water sources shows a massive peril to human life and marine environs due to its adverse hazardouseffects. Further, the fabricated Ag/Se-based electrochemical sensor was exposed to variousenvironmental aqueous samples to detect NFT& P-NP which has demonstrated an exquisite recoveryresults in practical feasibility. Thereby confirms that Ag/Se-based electrochemical sensors have boundlesspotential for ecological investigations and sensing applications.