Metal–organic frameworks modified melamine foam in pipette-tip for rapid solid-phase extraction of organophosphorus pesticides in fruits and vegetables

J Xu, Y Li, L Yu, Y Pang, X Shen, J Liu - Environmental Science and …, 2023 - Springer
In this work, metal–organic frameworks (MOFs) including Fe-MIL-101 and Ti-MIL-125 were
prepared and fixed on the melamine foam (MF) by polyvinylidene fluoride (PVDF) to prepare …

Melamine-participant hydrogen-bonded organic frameworks with strong hydrogen bonds and hierarchical micropores driving extraction of nitroaromatic compounds

Y Hu, Y Liu, Y Kuang, S Zhou, L Chen, N Zhou… - Analytica Chimica …, 2023 - Elsevier
Enrichment and detection of trace pollutants in the real matrix are essential for evaluating
water quality. In this study, benefiting from the good affinities of 1, 3, 6, 8-tetra (4 …

Solid phase microextraction of polycyclic aromatic hydrocarbons from water samples by a fiber coated with covalent organic framework modified graphitic carbon …

X Zang, Y Pang, H Li, Q Chang, S Zhang… - … of Chromatography A, 2020 - Elsevier
A covalent organic framework modified graphitic carbon nitride (gC 3 N 4@ TpBD) was
synthesized by modifying the graphitic carbon nitride (gC 3 N 4) with a covalent organic …

An ultrastable 2D covalent organic framework coating for headspace solid-phase microextraction of organochlorine pesticides in environmental water

Y Yang, Y Guo, X Jia, Q Zhang, J Mao, Y Feng… - Journal of Hazardous …, 2023 - Elsevier
Herein, a quinoline-linked ultrastable 2D covalent organic framework (COF-CN) coated fiber
was successfully prepared and used for highly-sensitive headspace solid-phase …

Highly sensitive analysis of polycyclic aromatic hydrocarbons in environmental water with porous cellulose/zeolitic imidazolate framework‐8 composite microspheres …

X Liang, S Liu, R Zhu, L Xiao… - Journal of separation …, 2016 - Wiley Online Library
In this work, novel cellulose/zeolitic imidazolate frameworks‐8 composite microspheres
have been successfully fabricated and utilized as sorbent for environmental polycyclic …

Metal–organic framework-derived nitrogen-doped carbon nanotube cages as efficient adsorbents for solid-phase microextraction of polychlorinated biphenyls

Y Guo, X He, C Huang, H Chen, Q Lu, L Zhang - Analytica Chimica Acta, 2020 - Elsevier
An efficient and stable adsorbent is of critical importance for solid-phase microextraction
(SPME). In this study, we prepared metal–organic framework-derived nitrogen (N)-doped …

Facile synthesis of uniform spherical covalent organic frameworks for determination of neonicotinoid insecticides

W Liu, J Wang, S Song, L Hao, J Liu, Y An, Y Guo… - Food Chemistry, 2022 - Elsevier
A uniform spherical structure covalent organic framework (TAPA-BPDA-COF) was prepared
by a facile method at room temperature with tris (4-aminophenyl) amine (TAPA) and 4, 4 …

Preparation and application of nano petal-shaped covalent organic frameworks modified polystyrene-divinylbenzene-glycidylmethacrylate microspheres for the …

S Zhang, HR Cui, YG Zhao, PP Zhan - Journal of Chromatography A, 2022 - Elsevier
A novel nano petal-shaped covalent organic frameworks modified magnetic polystyrene-
divinylbenzene-glycidylmethacrylate (NP-COF@ Mag-PS/DVB/GMA) microsphere has been …

Recent advances of covalent organic frameworks for solid-phase microextraction

J Feng, J Feng, X Ji, C Li, S Han, H Sun… - TrAC Trends in Analytical …, 2021 - Elsevier
Covalent organic frameworks (COFs) are one booming class of porous materials that are
assembled through covalent bonds. Owing to the excellent properties including three …

Moisture‐sensitive metal–organic framework constructed from cobalt and 4‐(4‐pyridyl) benzoic acid for dispersive solid‐phase extraction of polycyclic aromatic …

F Peng, Y Tan, S Zhang, X Yu, H Chen… - Journal of …, 2021 - Wiley Online Library
A moisture‐sensitive metal‐organic framework CoII (pybz) 2· 2DMF was synthesized and
applied as the adsorbent of dispersive solid‐phase extraction. The structure changed after …