One-step fabrication of hydrophobic metal-organic framework@covalent organic framework hybrid as sorbent for high-performance solid-phase extraction of flavonoids

Journal of Chromatography A(2023)

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摘要
•A hydrophobic NH2-UiO-66@HCOF hybrid was successfully fabricated and explored as a promising SPE sorbent.•The NH2-UiO-66@HCOF hybrid exhibited better extraction performance than NH2-UiO-66 and HCOF via synergistic effects.•A sensitive detection method was established for analysis of flavonoids in food samples.
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关键词
Schiff-base reaction,NH2-UIO-66@H-COF hybrid,Solid-phase extraction,Synergistic effect,Flavonoids
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