工程化多巴胺功能化 NH2-MIL-125 (Ti)，用于四环素降解和抗菌应用

IF 8.3 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Materials & Interfaces Pub Date : 2024-09-28 DOI:10.1016/j.surfin.2024.105188

Rui Zhang , Wen Zhang , Qiuyu Zhu , Qinxue Nie , Saifeng Zhang , Yuhuan Zhang , Ren Liu , Yuanxu Liu , Xiangang Lin , Yangyang Li

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引用次数: 0

摘要

用化学键精确构建 NH2-MIL-125 (Ti)的方法是合成具有高活性、稳定性和生物相容性的 MOF 基光催化材料所不可或缺的。本文利用聚多巴胺（PDA）中的儿茶酚基团与 NH2-MIL-125 (Ti) 中的胺基团之间的交联反应，而不是自聚合工艺，制备了功能化的 NH2-MIL-125 (Ti)。官能团的共轭具有很强的化学键相互作用。得益于 PDA 的组装，最佳光催化剂具有卓越的四环素（TC）降解效率，对大肠杆菌（E. coli）和金黄色葡萄球菌（S. aureus）的抗菌率分别达到 99.9% 和 99.4%。提出了 TC 降解和抗菌活性的可能光催化机制，并通过 EPR 结果进行了验证。这项工作为光催化和生物医学领域提供了深入的科学见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Engineering polydopamine-functionalized NH2-MIL-125 (Ti) for tetracycline degradation and antibacterial applications

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Engineering polydopamine-functionalized NH2-MIL-125 (Ti) for tetracycline degradation and antibacterial applications

Methods for the precise construction of NH₂-MIL-125 (Ti) with chemical bonding are indispensable for the synthesis of MOF-based photocatalytic materials, which possess high activity, stability and biocompatibility. Herein, polydopamine (PDA)-functionalized NH₂-MIL-125 (Ti) was prepared using cross-linking reaction between catechol groups in PDA and amine groups in NH₂-MIL-125 (Ti), instead of the self-polymerization process. The conjugation of functional groups had strong chemical bonding interactions. Benefiting from the assembly of PDA, the optimum photocatalyst presented superior tetracycline (TC) degradation efficiency, as well as 99.9 % and 99.4 % antimicrobial rates against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), respectively. The possible photocatalytic mechanisms of TC degradation and antibacterial activity were proposed and verified by EPR results. This work provides in-depth scientific insights for photocatalysis and biomedical field.

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来源期刊

ACS Applied Materials & Interfaces 工程技术-材料科学：综合

CiteScore

16.00

自引率

6.30%

发文量

4978

审稿时长

1.8 months

期刊介绍： ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.