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. 2021 Aug 10;13(8):1232. doi: 10.3390/pharmaceutics13081232

Figure 1.

Figure 1

(a) Preparation of Fe3O4 NPs by chemical co-precipitation and (b) oxidation into γ-Fe2O3 particles; (c) surface modification of γ-Fe2O3 NPs with oleic acid; (d) formulation of CDDP-loaded γ-Fe2O3/PLGA (core/shell) particles by nanoprecipitation solvent evaporation; and (e) preparation of CDDP-loaded (γ-Fe2O3/PLGA)/CS (core/shell)/shell NPs by coacervation.