PH and Magnetism Dual-Responsive Pickering Emulsion Stabilized by Dynamic Covalent Fe₃O₄ Nanoparticles.

ABSTRACT: Herein, we describe pH and magnetism dual-responsive liquid paraffin-in-water Pickering emulsion stabilized by dynamic covalent Fe₃O₄ (DC-Fe₃O₄) nanoparticles. On one hand, the Pickerinfigureg emulsions are sensitive to pH variations, and efficient demulsification can be achieved by regulating the pH between 10 and 2 within 30 min. The dynamic imine bond in DC-Fe₃O₄ can be reversibly formed and decomposed, resulting in a pH-controlled amphiphilicity. The Pickering emulsion can be reversibly switched between stable and unstable states by pH at least three times. On the other hand, the magnetic Fe₃O₄ core of DC-Fe₃O₄ allowed rapid separation of the oil droplets from Pickering emulsio

SUBMITTER: Ren G 

PROVIDER: S-EPMC9370824 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature