Improved magnetic induction heating of nanoferrites for hyperthermia applications: Correlation with colloidal stability and magneto-structural properties
作者： VM Khot , AB Salunkhe , JM Ruso , SH Pawar , None
DOI: 10.1016/J.JMMM.2015.03.039
关键词:
摘要: Abstract Nanoferrites with compositions Mn0.4Zn0.6Fe2O4, Co0.4Zn0.6Fe2O4, Ni0.4Zn0.6Fe2O4 (MZF, CZF and NZF respectively) coated polyethylene glycol (PEG) were prepared in a single step. These nanoparticles are highly water dispersible zeta potential values between 14 21 mV. Magnetic induction heating characteristics of these NPs have been studied as function magnetic field amplitude from 6.7 to 26.7 kA m−1 (at fixed frequency 265 kHz) concentration nanoparticles. Notable enhancement specific absorption rate (334.5 W g−1) by has observed. This enhanced properties correlated colloidal stability magnetostructural such tuned anisotropy arising zinc substitution. Cytotoxicity synthesized mixed ferrites evaluated vitro on HeLa cell lines using MTT assay explore their use agents hyperthermia.
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