Removal of tetracyclines through polymerization combined with colorimetric-photothermal dual-mode sensing platform based on a novel nanozyme Cu-5 PMA

IF 13.3 1区工程技术 Q1 ENGINEERING, CHEMICAL

Chemical Engineering Journal Pub Date : 2025-07-07 DOI:10.1016/j.cej.2025.165737

Jiakang Hu , Yunlong Wang , Ke Li , Xuesong Wang , Qing Han , Xixingchi Chen , Xinyu Zou , Hui Huang , Yongxin Li

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Abstract

In this work, the removal of tetracyclines through polymerization combined with colorimetric-photothermal dual-mode sensing platform is proposed for efficient removal along with accurate detection of residues. A laccase-like nanozyme Cu-5 PMA was synthesized by coordination of Cu²⁺ with pyrimidine-5-carboxylic acid. It was used to removal the tetracyclines with the rate >90 %. Cu-5 PMA also has excellent peroxidase-like activity, a colorimetric-photothermal dual-mode sensing platform for tetracyclines detection was developed, which was used to evaluate the concentration of supernatant after removal of tetracyclines. Compared with the HPLC, dual-mode sensing platform could be accurately fitted to the concentration within 40 μg·mL⁻¹, which meant the removal >60 %. Finally, it was verified that removal through polymerization combined with dual-mode sensing platform could be used in real water. The synergistic removal-detection strategy greatly simplified the determination of the removal, shortened the detection time of traditional removal experiments from several hours (HPLC) to 10 min, provided a new idea for the efficient and convenient regulation of pollutant removal processes.

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基于新型纳米酶cu-5 PMA的聚合-光热双模传感平台去除四环素类药物

本研究提出了聚合结合比色-光热双模传感平台去除四环素的方法，以实现高效去除和准确检测残留物。采用Cu2+与嘧啶-5-羧酸配位的方法合成了一种类似漆酶的纳米酶Cu-5 PMA。用该方法脱除四环素，脱除率为>；90 %。Cu-5 PMA还具有优异的过氧化物酶样活性，建立了四环素类药物检测的比色-光热双模传感平台，用于评价去除四环素后的上清液浓度。与高效液相色谱相比，双模传感平台可准确拟合浓度在40 μg·mL−1以内，去除率为60 %。最后，验证了聚合法结合双模传感平台的去除效果可以在实际水中应用。该协同去除-检测策略大大简化了去除的测定，将传统去除实验的检测时间从几个小时（HPLC）缩短到10 min，为污染物去除过程的高效便捷调控提供了新的思路。

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来源期刊

Chemical Engineering Journal 工程技术-工程：化工

CiteScore

21.70

自引率

9.30%

发文量

6781

审稿时长

2.4 months

期刊介绍： The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.