期刊
CHEMICAL ENGINEERING JOURNAL
卷 435, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2021.134136
关键词
Deep eutectic solvent; AB(2)O(4); Element Substitution Effects; Nitrofurazone; Dimetridazole; Electrochemical Simultaneous Detection
资金
- Ministry of Science and Technology [MOST-108-2221-E-027-063]
- National Taipei University of Technology (NTUT)
The widespread use of antibiotics has led to an increase in antibiotic resistance, posing a major threat to global human health. This study discusses the synthesis of zinc spinel oxide using deep eutectic solvent for simultaneous detection of nitrofurazone and dimetridazole, demonstrating potential applications of the sensor in monitoring antibiotic pollutants.
Antibiotics have been effective in decreasing morbidity and mortality for most of human existence. The widespread use and exploitation of antibiotics, on the other hand, has resulted in the evolution of antibiotic resistance, which is now one of the biggest rising threats to global human health. Nitrofurazone (NF) and dimetridazole (DM), two widely used drugs with probable carcinogenicity and mutagenicity, are significant drivers of antimicrobial resistance that can drastically affect the functioning ecosystems. The identification of management options that can reduce the spread of this contamination is thus necessary for limiting its consequences on environmental pathways. In this work, we discuss the deep eutectic solvent assisted synthesis of ZnB2O4 (B = Al, Co, Cr) electrocatalysts for the simultaneous determination of NF and DM. An evaluation on the structural and electrochemical properties of zinc spinel oxides indicate that the B site variants cause element substitution effects that can significantly tune their characteristics. ZnCr2O4 spinel manifests improved simultaneous electrochemical detection of NF and DM which is strongly dependent on its particle size. Also, the proposed sensor establishes desirable features such as linearity, resolution, sensitivity, reproducibility and repeatability which symbols its exploitation in the real-time monitoring of antibiotic pollutants. The deep eutectic solvent aided synthesis of the spinels not only circumvents the use of traditional hazardous solvents but also produces atom efficient zinc spinel oxides with its dual solvent-template role. This confirms the sustainable fabrication of sensor materials with reduced energy requisites towards the monitoring of antibiotic residues that helps in assessing the behaviour of pharmaceutical contaminants in the environment.
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