Green Synthesis of Co-Zn Spinel Ferrite Nanoparticles: Magnetic and Intrinsic Antimicrobial Properties

Materials

Miran Baricic¹  Bruno Fabiano²  Valeria Rodionova³  Kateryna Levada³  Stanislav Pshenichnikov³  Alexander Omelyanchik³  Davide Peddis⁴  Maryam Abdolrahim⁴  Sergey Antipov⁵  Lidiia Astakhova⁵  Stanislav Sukhikh⁵  Alima Galieva⁵  Anastasiya Kapitunova⁵ 

[1] Department of Chemistry and Industrial Chemistry (DCIC), University of Genova, 16146 Genova, Italy;Department of Civil, Chemical and Environmental Engineering, Polytechnic School, University of Genova, Via Opera Pia 15, 16145 Genova, Italy;Institute of Physics, Mathematics and Information Technology, Immanuel Kant Baltic Federal University, 236041 Kaliningrad, Russia;Institute of Structure of Matter–CNR, 00016, Monterotondo Stazione, 00015 Rome, Italy;School of Life Science Immanuel Kant Baltic Federal University, 236041 Kaliningrad, Russia;

关键词: magnetic nanoparticles;    cobalt ferrite;    zinc ferrite;    magnetic properties;    antimicrobial;   

DOI  :  10.3390/ma13215014

来源: DOAJ

【 摘 要 】

Spinel ferrite magnetic nanoparticles have attracted considerable attention because of their high and flexible magnetic properties and biocompatibility. In this work, a set of magnetic nanoparticles of cobalt ferrite doped with zinc was synthesized via the eco-friendly sol-gel auto-combustion method. Obtained particles displayed a room-temperature ferromagnetic behavior with tuned by chemical composition values of saturation magnetization and coercivity. The maximal values of saturation magnetization ~74 Am²/kg were found in cobalt ferrite nanoparticles with a 15–35% molar fraction of cobalt replaced by zinc ions. At the same time, the coercivity exhibited a gradually diminishing trend from ~140 to ~5 mT whereas the concentration of zinc was increased from 0 to 100%. Consequently, nanoparticles produced by the proposed method possess highly adjustable magnetic properties to satisfy the requirement of a wide range of possible applications. Further prepared nanoparticles were tested with bacterial culture to display the influence of chemical composition and magnetic structure on nanoparticles-bacterial cell interaction.

【 授权许可】

Unknown