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Synthesis and characterization of superparamagnetic iron oxide nanoparticles for biomedical applications

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Abstract

Monodisperse iron oxide nanoparticles (NPs) of 4 nm were obtained through high-temperature solution phase reaction of iron (III) acetylacetonate with 1, 2-hexadecanediol in the presence of oleic acid and oleylamine. The as-synthesized iron oxide nanoparticles have been characterized by X-ray diffraction, transmission electron microscopy, Mössbauer spectroscopy and magnetic measurements. The species obtained were Fe3O4 and/or \(\upgamma\)-Fe2O3. These NPs are superparamagnetic at room temperature and even though the reduced particle size they show a high saturation magnetization (MS ≈ 90 emu/g).

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Correspondence to S. G. Marchetti.

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Cano, L.A., Cagnoli, M.V., Stewart, S.J. et al. Synthesis and characterization of superparamagnetic iron oxide nanoparticles for biomedical applications. Hyperfine Interact 195, 275–280 (2010). https://doi.org/10.1007/s10751-009-0129-z

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