Novel ferrofluids coated with a renewable material obtained from cashew nut shell liquid |
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| Authors: | A. C. H. Barreto F. J. N. Maia V. R. Santiago V. G. P. Ribeiro J. C. Denardin Giuseppe Mele L. Carbone Diego Lomonaco S. E. Mazzetto P. B. A. Fechine |
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| Affiliation: | 1.Grupo de Química de Materiais Avan?ados (GQMAT), Departamento de Química Analítica e Físico-Química,Universidade Federal do Ceará, UFC,Fortaleza,Brazil;2.Laboratório de Produtos e Tecnologia em Processos, LPT,Universidade Federal do Ceará,Fortaleza,Brazil;3.Departamento de Física,Universidad de Santiago de Chile, USACH,Santiago,Chile;4.Dipartimento di Ingegneria dell’Innovazione,Università del Salento,Lecce,Italy;5.Istituto Nanoscienze UOS Lecce, NNL,Lecce,Italy |
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| Abstract: | In this work, we present the synthesis and characterization of a new surfactant molecule obtained from a byproduct of the cashew nut processing (diphosphorylated cardol, DPC). It is herein used to overcoat magnetic nanoparticles showing spinel structures in order to create new ferrofluids. The nanoparticle structure and magnetic properties have been deeply investigated. DPC-functionalized Fe3O4 and NiFe2O4 samples exhibit higher magnetic saturation than DPC–CoFe2O4. These new ferrofluids reveal appealing as possible nanoparticle stabilizing molecules, magnetic resonance imaging agents, storage systems or in any material science field that requires the employment of biocompatible magnetic stable fluids. |
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