Analysis of Toxicity of Ceramic Nanoparticles and Functional Nanocomposites Based on Vulcanized Natural RubberFelipe Silva Bellucci, Jeferson Camargo Fukushima, Josué de Moraes, Marcos Augusto Lima Nobre, Amarildo Tabone Paschoalini and Aldo Eloizo JobMATEC Web of Conferences, 27 (2015) 02004DOI: https://doi.org/10.1051/matecconf/20152702004