Soft chemistry routes for the preparation of Ag-CoFe2O4 nanocomposites |
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| Affiliation: | 1. Ilie Murgulescu Institute of Physical Chemistry, Romanian Academy, Splaiul Independentei 202, 060021Bucharest, Romania;2. University of Bucharest, Faculty of Biology, Microbiology Department, Research Institute of the University of Bucharest, Life, Environmental and Earth Sciences Division, Splaiul Independentei 91-95, Bucharest, Romania;1. Catalysis and Nanomaterials Research Laboratory, Department of Chemistry, Loyola College, Chennai 34, India;2. Materials Division, School of Advanced Sciences, Vellore Institute of Technology, (VIT) University, Chennai Campus, Chennai 127, India;3. Department of Physics, College of Science, University of Bahrain, PO Box 32038, Bahrain;4. Surfactant Research Chair, Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;1. Materials-Nanomaterials Center, MAScIR Foundation, Rabat, Morocco;2. Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Science, Mohammed V University, Rabat, Morocco;3. GREENMAT, CESAM, Institute of Chemistry B6, University of Liège, 4000 Liège, Belgium;4. Institut Néel, CNRS-UJF, B.P. 166, 38042 Grenoble Cedex, France;5. Coordination Chemistry Laboratory, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco;1. Department of Chemistry, Shahid Chamran University, Ahvaz 61357-43169, Iran;2. Department of Biology, Shahid Chamran University, Ahvaz 61357-43169, Iran;1. Department of Chemistry, Shahid Chamran University, Ahvaz 61357-43169, Iran;2. Department of Biology, Shahid Chamran University, Ahvaz 61357-43169, Iran;1. Catalysis and Nanomaterials Research Laboratory, Department of Chemistry, Loyola College, Chennai 34, India;2. Materials Division, School of Advanced Sciences, Vellore Institute of Technology, (VIT) University, Chennai Campus, Chennai 127, India;3. Department of Physics, College of Science, University of Bahrain, PO Box 32038, Bahrain;4. Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;1. Laboratoire de Physique Appliquée, Faculté des Sciences, Université de Sfax, B.P. 1171, Sfax 3000, Tunisia;2. Laboratoire de Physique des Matériaux et des Nanomatériaux appliquée à l’Environnement, Faculté des Sciences de Gabès cité Erriadh, Université de Gabès, 6079 Gabès, Tunisia;3. CMTR, ICMPE, UMR 7182 CNRS-UPEC, 2 rue Henri Dunant, F-94320 Thiais, France |
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| Abstract: | Silver-cobalt ferrite nanocomposites (Ag-CoFe2O4) were synthesized through wet ferritization process and self-propagating combustion method. The structure, morphology, surface chemistry and magnetic properties of the nanocomposites were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR) and vibrating sample magnetometer (VSM). X-ray diffraction patterns confirmed the formation of CoFe2O4 and Ag nanoparticles with cubic symmetry. The average crystallite size of CoFe2O4 by wet ferritization ranged between 60 Å and 87 Å; for those obtained by self-propagating combustion was in the range 232–290 Å. SEM micrographs revealed different morphological features of nanocomposites. Ag-CoFe2O4 obtained by wet ferritization exhibited typical superparamagnetic behaviour. The antimicrobial and anti-biofilm properties of all silver-cobalt ferrites were evaluated. The results revealed that the Ag-CoFe2O4 nanocomposites exhibited good microbicidal and anti-biofilm features. |
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| Keywords: | A. Powders: Chemical preparation B. Nanocomposites B. Spectroscopy E. Biomedical applications |
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