Controlling the morphology and surface property of magnetic/cisplatin-loaded nanocapsules via W/O/W double emulsion method

► A well-controlled double emulsion technique for preparation of magnetic nanocapsules. ► Examination of influences of solvent removal method and existence of stabilizers. ► The method of solvent evaporation generates nanocapsules with a diverse structure.►Fast solvent removal led to a loss of morphological control (irregular shapes). ► The in vitro release rate of nanocapsules increased with increasing porosity and size.