autores Helton Pereira Nogueira Koiti Araki Luccas Lossano Name Luis Fernando Peffi Ferreira Luis Humberto Avanci Marcos Makoto Toyama Rafael dos Santos Pereira Rodrigo Cella Sérgio Hiroshi Toma
palavras-chave Isomerization Paramagnetic SPIONs Turpentine nanocatalysts nanoparticles niobium oxide terpenes