Study on Antimicrobial Properties of MIL-101(Fe)Composites
MIL-101(Fe),MIL-101(Fe)/SiO2,MIL-101(Fe)/ZSM-5 and MIL-101(Fe)/TiO2 materials were prepared by hydrothermal meth-od.In order to explore the effects of different materials compounded with MIL-101(Fe),the antimicrobial activity of MIL-101(Fe)and its com-posites against the Gram-negative bacterium Escherichia coli and the Gram-positive bacterium Staphylococcus aureus was tested.The crystalline structure,surface composition,specific surface area,thermal stability and morphology of MIL-101(Fe)and its composites were analyzed by XRD,XPS,BET,TG,SEM and TEM characterization methods.It was found that MIL-101(Fe)/SiO2 and MIL-101(Fe)/TiO2 exhibited well antimicrobial properties,which were better than MIL-101(Fe).In composite materials,the introduction of SiO2 and TiO2 is conducive to the regulation of the electronic distribution,morphology,stability and other properties of the metal center of MIL-101(Fe)material.
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