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MAF-32与一锅法合成的超顺磁性氧化铁/MAF-32复合材料对双氯芬酸吸附性能的比较

Comparison of MAF-32 and a One-Pot Synthesized Superparamagnetic Iron Oxide/MAF-32 Composite for the Adsorption of Diclofenac.

作者信息

Ramírez Erick, Carmona-Pérez Daniela, Marco J F, Sanchez-Lievanos Karla R, Sabinas-Hernández Sergio A, Knowles Kathryn E, Elizalde-González María P

机构信息

Centro de Química, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, Edif. IC7, Puebla Pue 72570, Mexico.

Instituto de Química-Física Blas Cabrera, CSIC, c/Serrano, 119, 28006 Madrid, Spain.

出版信息

Materials (Basel). 2024 May 11;17(10):2269. doi: 10.3390/ma17102269.

DOI:10.3390/ma17102269
PMID:38793334
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11123495/
Abstract

The global presence of pharmaceutical pollutants in water sources represents a burgeoning public health concern. Recent studies underscore the urgency of addressing this class of emerging contaminants. In this context, our work focuses on synthesizing a composite material, FeO/MAF-32, through a streamlined one-pot reaction process, as an adsorbent for diclofenac, an emerging environmental contaminant frequently found in freshwater environments and linked to potential toxicity towards several organisms such as fish and mussels. A thorough characterization was performed to elucidate the structural composition of the composite. The material presents magnetic properties attributed to its superparamagnetic behavior, which facilitates the recovery efficiency of the composite post-diclofenac adsorption. Our study further involves a comparative analysis between the FeO/MAF-32 and a non-magnetic counterpart, comprised solely of 2-ethylimidazolate zinc polymer. This comparison aims to discern the relative advantages and disadvantages of incorporating magnetic iron oxide nanoparticles in the contaminant removal process facilitated by a coordination polymer. Our findings reveal that even a minimal incorporation of iron oxide nanoparticles substantially enhanced the composite's overall performance in pollutant adsorption.

摘要

水源中药物污染物的全球存在是一个日益严重的公共卫生问题。最近的研究强调了解决这类新兴污染物的紧迫性。在此背景下，我们的工作重点是通过简化的一锅法反应过程合成一种复合材料FeO/MAF-32，作为双氯芬酸的吸附剂。双氯芬酸是一种在淡水环境中经常发现的新兴环境污染物，与对鱼类和贻贝等多种生物的潜在毒性有关。进行了全面的表征以阐明复合材料的结构组成。该材料呈现出归因于其超顺磁性行为的磁性，这有利于双氯芬酸吸附后复合材料的回收效率。我们的研究还涉及FeO/MAF-32与仅由2-乙基咪唑锌聚合物组成的非磁性对应物之间的比较分析。该比较旨在辨别在配位聚合物促进的污染物去除过程中加入磁性氧化铁纳米颗粒的相对优缺点。我们的研究结果表明，即使是极少量地加入氧化铁纳米颗粒，也能显著提高复合材料在污染物吸附方面的整体性能。

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