Fig. 3
From: Polymer coated gold-ferric oxide superparamagnetic nanoparticles for theranostic applications
a XRD patterns; b Absorption spectra (solid line: PLL–Au–Fe3O4 NPs and dotted line: Au–Fe3O4 NPs); c FT-IR characterization and d TGA curves of Au–Fe3O4 and PLL–Au–Fe3O4 NPs