Fig. 2

Characterisation of different nanocomposites. A Distribution of chemical elements of FMA NPs. B FTIR spectrum of Fe₃O₄, Fe₃O₄@MOF, and FMA NPs. C XRD patterns of Fe₃O₄@MOF and FMA NPs. D Size distribution of hydrated particles. E Zeta potential assay of the prepared Fe₃O₄, Fe₃O₄@MOF, and FMA NPs. F Analysis of stability of FMA NPs in various media including DI water, PBS solution (0.01 mol L⁻¹, pH 7.4), and NaAc-HAc buffer (0.02 mol L⁻¹, pH 3.6) by DLS