Synthesis of flower-like polyamine/C18 dual-functional magnetic titanium dioxide-based oligopolymer microspheres and their application for the purification, detection and dietary exposure assessment of 52 pesticides in bayberry samples

Novel core-shell flower-like polyamine/C₁₈ dual-functional magnetic titanium dioxide-based oligopolymer (Fe₃O₄@fTiO₂-PAPMA/C₁₈) microspheres were synthesized and used as a magnetic solid-phase extraction (MSPE) adsorbent to purify 52 pesticides in bayberry samples. The Fe₃O₄@fTiO₂-PAPMA/C₁₈ microspheres were fully characterized and it can obviously improve the purification ability of 52 pesticides in bayberry samples. Coupled to LC-MS/MS, the …