数字农科院2.0

Unveiling the roles of CMPs based 1,3,5-triethynylbenzene for efficient aflatoxins capture: An experimental, theoretical and applicable study

文献类型： 外文期刊

作者： Fei Ma;Fen Tang;Yajie He;Zhaowei Zhang;Peiwu Li;Li Yu

作者机构：

关键词： Adsorption;Aflatoxins;Conjugated microporous polymers;DFT calculations;Sample pretreatment

期刊名称： Chemical Engineering Journal

ISSN： 1385-8947

年卷期： 2025 年 524 卷

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： As toxic contaminants, aflatoxins (AFTs) in agricultural products and foodstuffs represent an escalating menace to human health and the environment. The detection and control of AFTs remains a significant challenge because of their trace concentrations in real matrices. This study synthesized three types of conjugated microporous polymers (CMPs) designed for the adsorption of AFTs. The CMP which exhibited the most optimal adsorption and desorption capacity for AFTs was selected for further study and designated TT-CMP. A comprehensive investigation was conducted to explore the kinetics, isotherms, and thermodynamics of the adsorption processes. The adsorption of AFTs onto TT-CMP conformed to the second-order kinetic model and was characterized as a spontaneous and endothermic process. The maximum adsorption capacities towards AFB1, AFB2, AFG1 and AFG2 were 27.59, 30.88, 34.79, and 27.17 μg/mg, respectively. Besides, a novel pipette-tip solid-phase microextraction (PT-SPME) device was developed utilizing the fabricated TT-CMP/cotton composites for the efficient extraction of AFTs from 9 kinds of agro-products. The developed PT-SPME device, characterized by lower solvent consumption and adsorbent dosage, only required approximately 3 min for sample pretreatment. And it exhibited exceptional stability and recyclability after ten cycles of treatment, demonstrating its excellent performance in practical applications. Furthermore, density functional theory (DFT) calculations showed that the interactions between CMPs and AFTs were primarily attributable to dispersion forces, including H-π interactions, π-π dispersion interactions, and dipole-π interactions. This work established the theoretical foundations for the selection of effective adsorbents for AFTs.

分类号：

  • 相关文献

[1]In-situ stabilization of conjugated microporous polymer on sieve plates for multifunctional applications: Detection and removal of aflatoxins. Fei Ma,Yajie He,Fen Tang,Lina Fu,Liangxiao Zhang,Peiwu Li,Li Yu. 2025

[2]An applied potential powered screen-printed electrode for sensitive EC-SERS detection of acetamiprid. Xuemei Tang,Ting Wu,Fei Pan,Gen Lu,Wei Zeng,Wenying Fan,Long Wu. 2024

[3]Easily operated COF-based monolithic sponges as matrix clean-up materials for non-targeted analysis of chemical hazards in oil-rich foods. Rui Wang,Hong Xin Jiang,Hao Jia,Wei Li,Yan Chen,An Na Tang,Bing Shao,De Ming Kong. 2023

[4]SiO2 templates-derived hierarchical porous COFs sample pretreatment tool for non-targeted analysis of chemicals in foods. Wei Li,Hong Xin Jiang,Meng Fan Cui,Rui Wang,An Na Tang,De Ming Kong. 2022

[5]Heteropore covalent organic framework-based composite membrane prepared by in situ growth on non-woven fabric for sample pretreatment of food non-targeted analysis. Xiao han Wang,Wei Li,Hong xin Jiang,Yan Chen,Rong zhi Gao,An na Tang,De ming Kong. 2021

[6]Metal organic frameworks as sacrificial templates for preparation of hierarchical covalent organic frameworks enabling ultrafast sample treatment in nontargeted food safety analysis. Wei Li,Rong-Zhi Gao,Hong-Xin Jiang,Qiu-Yu Lu,An-Na Tang,De-Ming Kong. 2021

[7]Heteropore covalent organic framework-based composite membrane prepared by in situ growth on non-woven fabric for sample pretreatment of food non-targeted analysis. Xiao han Wang,Wei Li,Hong xin Jiang,Yan Chen,Rong zhi Gao,An na Tang,De ming Kong. 2021

[8]Controllable synthesis of uniform large-sized spherical covalent organic frameworks for facile sample pretreatment and as naked-eye indicator. Wei Li,Rui Wang,Hong Xin Jiang,Yan Chen,An Na Tang,De Ming Kong. 2022

[9]Multi-templates molecularly imprinted polymers for simultaneous recognition of multiple targets: From academy to application. Shenling Wang,Le Zhang,Jing Zeng,Xiaofeng Hu,Xiupin Wang,Li Yu,Du Wang,Ling Cheng,Rajib Ahmed,Valentin Romanovski,Peiwu Li,Zhaowei Zhang. 2023

[10]Efficient food safety analysis for vegetables by a heteropore covalent organic framework derived silicone tube with flow-through purification. Wei Li,Xiao Han Wang,Jing Qi Liu,Hong Xin Jiang,Dong Xiao Cao,An Na Tang,De Ming Kong. 2023

[11]Recent progress in the preconcentration of fluoroquinolones by magnetic nanomaterials: Synthesis, modification, mechanism and applications. Fu Kai Li,Min Wang,Jian Zhou,Meng Rui Yang,Tong Tong Wang,Liang Li. 2024

[12]Development of Recombinant Antibodies and Its Application in Immunomagnetic Separation-Based Rapid Detection of Vibrio cholerae in Aquatic Environments. Haiyang Zhang,Quan Wang,Haoxiang Zhuang,Qiu Lin,Wenchao Wang,Fangyu Ye,Saqib Nawaz,Jiangang Hu,Cuiqin Huang,Huifang Yin,Weidong Sun,Xiangan Han,Wei Jiang. 2024

[13]Preparation of Hierarchically Porous Monolithic Corn Straw@COF Composite for Fat-Rich Food Pretreatment in Non-Targeted Analysis. Xu, Jin-Fan,Chen, Jun-Hao,Li, Wei,Jiang, Hong-Xin,Kong, De-Ming,Zhu, Li-Na. 2025

[14]A stable and reusable aluminum-based metal-organic framework for the effective extraction of four aflatoxins from vegetable oils. Xianhong Jiang,Jie Cheng,Zhihui Yang,Peilong Wang. 2025

[15]Research advances in sample pretreatment techniques for pesticide residues. Jiarong Cui,Fengshou Dong. 2025

[16]Mycotoxin detection - Recent trends at global level. Selvaraj, Jonathan Nimal,Zhou Lu,Wang Yan,Zhao Yue-ju,Xing Fu-guo,Dai Xiao-feng,Liu Yang. 2015

[17]Molecular Characterization of Atoxigenic Aspergillus flavus Isolates Collected in China. Wei, Dandan,Zhou, Lu,Selvaraj, Jonathan Nimal,Zhang, Chushu,Xing, Fuguo,Zhao, Yueju,Wang, Yan,Liu, Yang. 2014

[18]Recent mycotoxin survey data and advanced mycotoxin detection techniques reported from China: a review. Selvaraj, Jonathan Nimal,Wang, Yan,Zhou, Lu,Zhao, Yueju,Xing, Fuguo,Dai, Xiaofeng,Liu, Yang.

[19]Production of ultrasensitive generic monoclonal antibodies against major aflatoxins using a modified two-step screening procedure. Li, Peiwu,Li, Peiwu,Zhang, Qi,Zhang, Wen,Huang, Yanling,Ding, Xiaoxia,Jiang, Jun.

[20]Preparation of an Immunoaffinity Column with Amino-Silica Gel Microparticles and Its Application in Sample Cleanup for Aflatoxin Detection in Agri-Products. Ma, Fei,Chen, Ran,Li, Peiwu,Zhang, Qi,Zhang, Wen,Hu, Xiaofeng,Ma, Fei,Chen, Ran,Li, Peiwu,Zhang, Qi,Zhang, Wen,Hu, Xiaofeng,Ma, Fei,Chen, Ran,Li, Peiwu,Zhang, Qi,Zhang, Wen,Ma, Fei,Chen, Ran,Li, Peiwu,Zhang, Wen,Hu, Xiaofeng.

作者其他论文 更多>>