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Carboxylated SiO2-coated α-Fe nanoparticles: towards a versatile platform for biomedical applications
Kaori Kohara1, Shinpei Yamamoto, Liis Seinberg
1Institute for Integrated Cell-Materials Sciences, Kyoto University, Yoshida-Ushinomiyacho, Sakyo-ku, Kyoto, 606-8501, Japan.
Abstract:
Carboxylated SiO2-coated α-Fe nanoparticles have been successfully prepared via CaH2-mediated reduction of SiO2-coated Fe3O4 nanoparticles followed by surface carboxylation. These α-Fe-based nanoparticles, which are characterized by ease of coating with additional functional groups, a large magnetization of 154 emu per g-Fe, enhanced corrosion resistivity, excellent aqueous dispersibility, and low cytotoxicity, have potential to be a versatile platform in biomedical applications.
