Fabrication, optimization, and characterization of ultra-small superparamagnetic Fe3 O4 and biocompatible Fe3 O4 @ZnS core/shell magnetic nanoparticles: Ready for biomedicine applications

Materials Science & Engineering. C, Materials for Biological Applications
Sajjad Rashidi DafehParisa Salarizadeh

Abstract

Magnetic nanoparticles that preferred for biomedical applications are required to be biocompatible, nanosized and superparamagnetic. In this research, ultra-small superparamagnetic Fe3O4 nanoparticles and novel superparamagnetic Fe3O4@ZnS core/shell nanocomposites were fabricated using biocompatible ethylenediaminetetraacetic acid (EDTA) as a capping agent by a facile refluxing assisted co-precipitation method at optimum condition. The Fe3O4 and Fe3O4@ZnS nanoparticles were investigated using X-ray diffraction (XRD), scanning and transmission electron microscopy (SEM and TEM), UV-Vis spectroscopy, vibrating sample magnetometer (VSM) and Dynamic Light Scattering (DLS). The VSM results indicated that all of the samples have superparamagnetic behavior. The particle size of the Fe3O4 and Fe3O4@ZnS nanoparticles were obtained at about 10 and 22 nm, respectively.

Citations

Jan 21, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Artem KozlovskiyKayrat Kadyrzhanov
Feb 7, 2021·Materials Science & Engineering. C, Materials for Biological Applications·Ruijiang LiuRongzhu Lu

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