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cobal ferrite

Low-temperature microwave-assisted synthesis and antifungal activity of CoFe2O4 nanoparticles

Ravikumar Naik, Naveen Joshi, S.A. Shivashankar, P.J. Bindu


Nanoparticle ferrite with chemical formula CoFe2O4 was prepared from the Co (II) and Fe (III) 3-acetyl-4-hydroxy-coumarin metal complexes by solution based one-pot microwave assisted technique. Single phase structure of CoFe2O4 ferrites nanoparticles was confirmed using FTIR, XRD, SEM, and EDX analysis. Transmission Electron Microscope (TEM) showed that the particle size of the samples in the range of (15 nm). The hysteresis studies showed ferromagnetic behaviour at room temperature. The antifungal activity of CoFe2O4 nanoparticle was investigated against A.flavus and  A. niger by employing disc diffusion method. According to the results obtained, CoFe2O4 is a potential material for antifungal diseases. The CoFe2O4 nanoparticles could be readily separated from water solution after the disinfection process by applying an external magnetic field.


Microwave-irradiation; Nanocrystalline; Coumarin; metal complexes; Antifungal activity;

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ISSN 2394-0867