Polydopamine-based immobilization of zeolitic imidazolate framework-8 for in-tube solid-phase microextraction

Journal of Chromatography. a
Juan ZhangZilin Chen

Abstract

Zeolitic imidazolate frameworks (ZIFs), a subfamily of metal-organic frameworks (MOFs), have received considerable attention as a novel porous material for sample preparation due to their fascinating structures and unique properties. Here, we developed a novel bio-inspired polydopamine (PDA) method to immobilize ZIFs inside the chemical resistance poly(ether ether ketone) (PEEK) tube for online solid-phase microextraction (SPME). Firstly, PDA layer was assembled inside the PEEK tube. Secondly, attributing to its noncovalent adsorption and covalent reaction ability, PDA could attract and anchor ZIF-8 nutrients onto the inner surface of PEEK tube to promote the nucleation and growth of ZIF-8. The morphology and surface properties of the prepared ZIF-8-PDA-PEEK tube were characterized by scanning electron microscopy and energy dispersive X-ray spectrometry. The ZIF-8-PDA-PEEK tube exhibits excellent extraction efficiency toward six polycyclic aromatic hydrocarbons (PAHs), with enrichment factor from 550 to 734. The developed online SPME-HPLC method shows good linearity (10-5000pg/mL) and low detection limits (0.5-5 pg/mL) for six PAHs. It also has been used to determine PAHs in environmental samples, with recoveries in the range o...Continue Reading

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Citations

Dec 30, 2015·Critical Reviews in Food Science and Nutrition·Vasudha BansalKi-Hyun Kim
Jun 20, 2017·Journal of Separation Science·Yonghua WangGuanghua Lu
Jan 13, 2018·Journal of Separation Science·Juanjuan FengMin Sun
Mar 19, 2020·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·B K K K JinadasaSimone Morais
Sep 12, 2017·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Jiangbo XiHaiyan Zhao
Jul 15, 2020·Journal of Separation Science·Herman Maloko LoussalaMeishan Pei
Feb 23, 2020·Environmental Science and Pollution Research International·Natalia ManousiEleni A Deliyanni
Dec 29, 2020·Journal of Chromatography. a·Hiroyuki Kataoka
Dec 29, 2020·Journal of Separation Science·Melisa RodasFernando Maya
Jan 13, 2021·Journal of Separation Science·Mohammad Mahdi KhataeiMaryam Shamsayei
Jun 5, 2021·Materials Science & Engineering. C, Materials for Biological Applications·Tianjie ChenHong Liu
Jul 6, 2021·Chemical Communications : Chem Comm·Yiliang WangYingying Zhang

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