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Ferromagnetic supramolecular metal-organic frameworks for active capture and magnetic sensing of emerging drug pollutants

Abstract: Capture and sensing of emerging pollutants is one of the increasing environmental concerns due to the adverse ecological and human health effects. Here, we report the synthesis of a supramolecular metal-organic framework (SMOF) [CrCu6(m-H2O)6(m3-OH)6(m-adeninato-kN33:kN9)6](SO4)1.5 which is able to capture anionic drugs and exhibits magnetic properties useful for sensing purposes. The features of the nucleobase decorated CrCu6 building block allow the incorporation of up to 9 drug molecules (i.e., ibuprofen and naproxen in this work) per heptameric entity. In addition, we provide a simple way to quantify the incorporated number of drug molecules through a magnetic sustentation experiment in which the field required to keep the particles attached to the electromagnet pole is linearly related to the total mass of the anionic counterion. In this way, it also provides an easy way to determine the amount of entrapped drug molecules, making this SMOF a promising candidate for environmental remediation technologies.

 Fuente: Cell Reports Physical Science, 2021, 2(5), 100421

Editorial: Cell Press Elsevier Inc.

 Fecha de publicación: 19/05/2021

Nº de páginas: 15

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.xcrp.2021.100421

ISSN: 2666-3864

Proyecto español: MAT2016-75883-C2-1-P

Url de la publicación: https://doi.org/10.1016/j.xcrp.2021.100421

Autores/as

PÉREZ-AGUIRRE, RUBÉN

ARTETXE, BEÑAT

BEOBIDE, GARIKOITZ

CASTILLO, ÓSCAR

LUQUE, ANTONIO

PÉREZ-YÁÑEZ, SONIA

WUTTKE, STEFAN