High-performance electrochemical sensors with SnBi2O3/Graphene oxide nanocomposite for selective antibiotic detection

IF 5.5 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-03-09 DOI:10.1016/j.jtice.2025.106033

Krishnanpandi Alagumalai , Nandhini Munusamy , Shen Ming Chen , Alangadu Kothandan Vivekanandan , Shih-Hsun Chen , Mani Sivakumar , Seong-Cheol Kim , B. Prakash

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引用次数: 0

Abstract

Background

Environmental contaminants like nitrofurans (NF) can be detected using rapid, sensitive, and efficient monitoring techniques. However, ineffective detection systems delay responses, allowing contaminants to persist in the environment, increasing their toxicity, and causing long-term harm to ecosystems and human health. An alternative is the electrochemical method for NF detection, which is fast, cost-effective, and reliable.

Methods

We developed a low-cost, portable nanocomposite material, Sn-Bi₂O₃/GO, for the detection of NF, marking its first reported use. The crystallinity, functional groups, surface structure, and oxidation states of the materials were analyzed through various analytical and spectroscopic techniques.

Significant findings

SnBi₂O₃/GO composites modified glassy carbon electrode (GCE) surface was employed to detect NF using cyclic voltammetry (CV) and differential pulse voltammetry (DPV). Then, the SnBi₂O₃/GO/GCE showed outstanding selectivity, even in the presence of interfering substances, with a wide linear detection range from 0.023 µM to 814.36 µM, a detection limit (LOD) of 0.0124 µM (S/N = 3), and an ultra-sensitivity of 2.857 μA μM⁻¹ cm⁻². Additionally, the SnBi₂O₃/GO/GCE successfully detected NF in biofluids and water samples, demonstrating satisfactory accuracy and recovery.

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来源期刊

Journal of the Taiwan Institute of Chemical Engineers 工程技术-工程：化工

CiteScore

9.10

自引率

14.00%

发文量

362

审稿时长

35 days

期刊介绍： Journal of the Taiwan Institute of Chemical Engineers (formerly known as Journal of the Chinese Institute of Chemical Engineers) publishes original works, from fundamental principles to practical applications, in the broad field of chemical engineering with special focus on three aspects: Chemical and Biomolecular Science and Technology, Energy and Environmental Science and Technology, and Materials Science and Technology. Authors should choose for their manuscript an appropriate aspect section and a few related classifications when submitting to the journal online.