Development of sol-gel silica-based mixed-mode zwitterionic sorbents for determining drugs in environmental water samples

Alberto Moral,Francesc Borrull,Kenneth G Furton,Abuzar Kabir,Núria Fontanals,Rosa Maria Marcé

Journal of Chromatography A（2022）

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摘要

•Four novel silica-based zwitterionic mixed-mode sorbents were developed.•Functionalization was with C18 chains, quaternary amines and sulfonic groups.•Sorbents displayed hydrophobic, SCX and SAX interactions.•SiO2-SAX/SCX was the best performing sorbent for the selective extraction of basic drugs.The SPE-LC-MS/MS method was applied to environmental samples.

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关键词

Mixed-mode zwitterionic sorbents,Silica sorbents,Environmental samples,Solid-phase extraction,Basic compounds

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