High‐Performance Functional Fe‐MOF for Removing Aflatoxin B1 and Other Organic Pollutants. Issue 9 (6th February 2022)

• Record Type: Journal Article
• Authors: Liu, Yu‐Qing; Song, Cheng‐Gang; Ding, Gang; Yang, Jian; Wu, Jia‐Rui; Wu, Gengxin; Zhang, Ming‐Zhe; Song, Chunli; Guo, Lan‐Ping; Qin, Jian‐Chun; Yang, Ying‐Wei
• Is Part Of: Advanced materials interfaces. Volume 9:Issue 9(2022)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2022-02-06
• Subjects: adsorption -- metal‐organic frameworks -- nanomaterials -- porous materials -- surface modification; Materials science -- Periodicals; 620.11
• DOI: 10.1002/admi.202102480
• Languages: English
• ISSNs: 2196-7350

Abstract

Abstract: Organic pollutants, including mycotoxins, organic dyes, and pesticide residues, are the most critical threats to the global environment. In particular, efficient adsorption based on synthetic nanomaterials is considered a versatile and green approach to control mycotoxins. This work systematically investigates the aflatoxin B1 (AFB1) removal capacity of MIL‐101(Fe), a typical type of metal‐organic framework (MOF) synthesized by solvothermal methods and possesses super‐high porosity and excellent dispersion in liquid. The experimental results demonstrate that as‐prepared MIL‐101(Fe) exhibits a much higher saturated loading capacity (30.58 mg g −1 ) toward AFB1 than other adsorbents described in the literature. Subsequently, the adsorption process is studied via isothermal and kinetic analyses. This work also evaluates the removal effect of MIL‐101(Fe) on organic dyes and pesticides compared to the other five MOFs; the results reveal that MIL‐101(Fe) possesses a diversity of pollutant adsorption. The molecular docking and interaction region indicator analysis is applied to reflect the interactions between AFB1 molecules and MIL‐101(Fe). This work will provide a simple and effective approach for AFB1 treatment and adsorption in wastewaters and offer new insights and perspectives to the practical applications of synthetic nanomaterials, MOFs in environmental management. Abstract : Functional MIL‐101(Fe) and hydrophobic chlorotrimethylsilane‐MIL‐101 are prepared and applied as high‐efficiency adsorbents to remove the malignant mycotoxin aflatoxin B1 (AFB1) in different liquids. Molecular docking and computational chemistry are used to elucidate the adsorption model of MIL‐101 on AFB1 and reveal their microcosmic interaction mechanism.