Navegando por Autor "Branco, Rogerio Mendes"

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    Magnetic Nanoparticles Obtained by Homogeneous Coprecipitation Sonochemically Assisted
    (2015) Freitas, Juliana Cristina de; Branco, Rogerio Mendes; Lisboa, Isabella Garcia Oliveira; Costa, Taciane Pereira da; Campos, Maria Gabriela Nogueira; Jafelicci Júnior, Miguel; Marques, Rodrigo Fernando Costa
    The present work demonstrates preparation of magnetic nanoparticles by a novel method. Magnetic nanoparticles with potential for biomedical and environmental applications were obtained by homogeneous coprecipitation method sonochemically assisted. The effect of ultrasonic cavitation on changing the reaction environment was studied. The chemical reaction media used here was very similar to those used for Sono-Fenton process. The ultrasonic energy has driven the growth of particles; smaller diameter nanoparticles were obtained by applying a higher power. For the first time, it was demonstrated the iron oxide nanoparticles synthesis at pH lower than 6.