Production of 5-Hydroxymethylfurfural from Direct Conversion of Cellulose Using Heteropolyacid/Nb2O5 as Catalyst - Nogueira, Jéssica Siqueira Mancilha; Santana, Vinicius Tomaz; Henrique, Paulo Vitor; Aguiar, Leandro Gonçalves de; Silva, João Paulo Alves; Mussatto, Solange I; Carneiro, Livia Melo (Catalysts, 2020)