Preparation of ionic liquid modified magnetic metal-organic frameworks composites for the solid-phase extraction of α-chymotrypsin.

Abstract

A novel magnetic solid-phase extraction (MSPE) method based on 1-hexyl-3-methyl imidazolium chloride ionic liquid (IL) modified magnetic Fe3O4 nanoparticles, hydroxylated multiwall carbon nanotubes (MWCNTs-OH) and zeolitic imidazolate frameworks (ZIFs) nanocomposites (Fe3O4-MWCNTs-OH@ZIF-67@IL) were proposed and applied to extract α-chymotrypsin. The… (More)
DOI: 10.1016/j.talanta.2018.02.022

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