Rapid and sensitive detection of paracetamol in environmental aqueous samples using MnO2 nanosheet-based colorimetric sensing platform

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL Colloid and Polymer Science Pub Date : 2024-06-12 DOI:10.1007/s00396-024-05277-4

Quynh-Trang Thi Ngo, Thi-Hien Pham, Lemma Teshome Tufa, Van Tan Tran, Van-Tuan Hoang, Anh-Tuan Le

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Abstract

This study introduces a novel method for the rapid and efficient detection of paracetamol, leveraging a colorimetric sensing mechanism predicated on the utilization of TMB-MnO₂ nanosheets. The interaction of paracetamol with MnO₂ is characterized by a selective reaction mechanism, leading to the reduction of MnO₂ to Mn²⁺ ions and consequent attenuation of the oxidase-mimetic activity of MnO₂. The developed colorimetric sensor exhibits a linear detection range for paracetamol extending from 5 × 10⁻⁴ to 10⁻² M, with a lower detection limit quantified at 5.24 × 10⁻⁷ M. Empirical assessments conducted to ascertain the influence of potential interferents prevalent in actual samples revealed a negligible impact on the colorimetric sensor. Furthermore, the application of this sensor system to real-world samples demonstrated its capability to detect paracetamol with a notable recovery rate and a relative standard deviation of < 6.65%. This approach manifests significant promise for the efficacious detection of paracetamol in various sample matrices.

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利用基于 MnO2 纳米片的比色传感平台快速灵敏地检测环境水样中的扑热息痛

本研究利用 TMB-MnO2 纳米片的比色传感机制，介绍了一种快速高效检测扑热息痛的新方法。扑热息痛与 MnO2 的相互作用具有选择性反应机制，导致 MnO2 还原成 Mn2+ 离子，从而削弱了 MnO2 的氧化酶模拟活性。开发的比色传感器对扑热息痛的线性检测范围为 5 × 10-4 至 10-2 M，检测下限为 5.24 × 10-7 M。此外，该传感器系统在实际样品中的应用证明了其检测扑热息痛的能力，回收率显著提高，相对标准偏差为 6.65%。这种方法有望在各种样品基质中有效地检测扑热息痛。

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.