Fabrication of glucose-derived carbon-decorated magnetic microspheres for extraction of bisphenols from water and tea drinks.

Glucose-derived carbon-decorated magnetic microspheres were synthesized by an easy hydrothermal carbonization method and used as a high-efficiency adsorbent to extract bisphenols in water and tea drinks. The as-prepared carbon-decorated magnetic microspheres had a well-defined core-shell structure with a shell thickness of about 5 nm. The microspheres possessed high saturation magnetization at 60.

Magnetic solid-phase extraction of fluoroquinolones from water samples using titanium-based metal-organic framework functionalized magnetic microspheres.

In this study, a unique core-shell titanium-based metal-organic framework (MOF) functionalized magnetic microsphere was constructed and utilized as magnetic adsorbent for enrichment of five fluoroquinolones from water samples. The received magnetic MOF nanocomposite, denoted as FeO@Cys@MIL125-NH, showed strong magnetic responsiveness, and good hydrophilicity, as well as excellent affinity to the target analytes. Under optimal conditions, the developed magnetic solid-phase extraction (MSPE) method, combined with ultra-high performance liquid chromatography (UPLC), showed good linearity within the studied concentration range, and low limits of detection (0.

Magnetic solid-phase extraction of tetracyclines using ferrous oxide coated magnetic silica microspheres from water samples.

A novel magnetic solid-phase extraction approach was proposed for extraction of potential residues of tetracyclines (TCs) in tap and river water samples, based on FeO@SiO@FeO magnetic nanocomposite. Characterized results showed that the received FeO@SiO@FeO had distinguished magnetism and core-shell structure. Modified FeO nanoparticles with an ∼5 nm size distribution were homogeneously dispersed on the surface of the silica shell.