Fabrication of magnetic covalent organic framework for effective and selective solid-phase extraction of propylparaben from food samples

Self-assembled Fe3O4–COOH @ hydrogen-bonded organic framework composites for magnetic solid-phase extraction of tetracycline in food samples coupled with HPLC determination

Core–shell-structured magnetic covalent organic frameworks for effective extraction of parabens prior to their determination by HPLC

Determination of tetracycline antibiotics in food using covalent organic frameworks composites-based on magnetic solid phase extraction coupled to HPLC

Magnetic covalent organic frameworks for extraction and determination of endocrine‐disrupting chemicals in beverage and water samples

Facile preparation of covalent-organic framework composites for magnetic solid-phase extraction of naphthaleneacetic acid in food prior to HPLC-UV analysis