Nanoscaled platforms based on SiO2 and Al2O3 impregnated with potassium permanganate use color changes to indicate ethylene removal - Spricigo, Poliana Cristina; Foschini, Milene Mitsuyuki; Ribeiro, Caue; Corrêa, Daniel Souza; Ferreira, Marcos David (Food and Bioprocess Technology, 2017)