Recent advance and applications of covalent organic frameworks based on magnetic solid-phase extraction technology for food safety analysis

Q Fu, ZZ Xia, X Sun, HL Jiang, LL Wang, S Ai… - TrAC Trends in …, 2023 - Elsevier
Magnetic covalent organic frameworks (MCOFs), which constitute an emerging class of
magnetic solid-phase extraction (MSPE) sorbents, have been widely utilized in the …

A critical review of covalent organic frameworks-based sorbents in extraction methods

E Torabi, M Mirzaei, M Bazargan, A Amiri - Analytica Chimica Acta, 2022 - Elsevier
Recently, covalent organic frameworks (COFs) as an important class of porous frameworks
have been employed in analytical applications owing to their significant inherent properties …

Preparation of ionic covalent organic frameworks and their applications in solid-phase extraction

M Sun, J Feng, Y Feng, X Xin, Y Ding, M Sun - TrAC Trends in Analytical …, 2022 - Elsevier
Ionic covalent organic frameworks (iCOFs) possess dual specific properties both COFs and
ions, such as tunable cation or anion charge, crystalline structure, large surface area …

Covalent organic frameworks, a renewable and emergent source for the separation and pre-concentration of the traces of targeted species

MS Jagirani, ZP Gumus, M Soylak - Microchemical Journal, 2023 - Elsevier
Covalent organic frameworks (COFs) are the emerging class of porous materials that are
associated with covalent bonds. Due to the unique characteristics such as total organic …

Recent Advances and Applications of Ionic covalent organic frameworks in Food Analysis

S Hou, M Zhang, Y Huo, X Chen, W Qian… - … of Chromatography A, 2024 - Elsevier
Ionic covalent organic frameworks with both crystallinity and charged sites have attracted
significant attention from the scientific community. The versatile textural structures, precisely …

Rational Fabrication of Ionic Covalent Organic Frameworks for Chemical Analysis Applications

J Yu, L Luo, H Shang, B Sun - Biosensors, 2023 - mdpi.com
The rapid development of advanced material science boosts novel chemical analytical
technologies for effective pretreatment and sensitive sensing applications in the fields of …

Fabrication and evaluation of a molecular-imprinted-polymer functionalized electrode for selective electric field-assisted solid-phase microextraction of phytohormones

J Wu, L Zheng, X Huang - Talanta, 2024 - Elsevier
Specific extraction and separation plays a pivotal role in the accurate quantification of trace
phytohormones (PHs). However, due to their high polarity, specific capture of PHs is …

Ionic liquid-functionalized covalent organic frameworks on the surface of silica for online solid-phase extraction

X Li, M Sun, Y Feng, Y Liu, Y Wang, J Feng… - … of Chromatography A, 2024 - Elsevier
A covalent organic framework (COF) was gown on porous silica with 1, 3, 5-tri (4-
aminophenyl) benzene and 2, 5-divinyl-1, 4-phenyldiformaldehyde as monomers, and two …

Facile synthesis of magnetic ionic covalent organic framework and dispersive magnetic solid phase extraction of aromatic amino acid oxidation products in thermally …

Y Yang, W Li, D Wu, Y Wu, L Li, G Li - Food Chemistry, 2025 - Elsevier
Aromatic amino acid oxidation products (AAAOPs) are newly discovered risk substances of
thermal processes. Due to its significant polarity and trace level in food matrices, there are …

One‐pot fabrication of magnetic adsorbent based on polymeric ionic liquid/aminated carbon nanotubes composite for efficient capture of synthetic auxins in complex …

YY Zhang, Y Huang, X Huang - Journal of Separation Science, 2023 - Wiley Online Library
Efficient enrichment is a challenging and indispensable step in the quantification of polar
synthetic auxins in complex samples. In the current study, a new magnetic adsorbent based …