“Probing the change of enzymatic activity of horseradish peroxidase induced by membrane permeation using tryptophan fluorescence”. C. A. M. Portugal, J.C. Lima, J.G. Crespo. J. Memb. Sci. 284 (1-2), 180-192, 2006.
“Direct integration of pervaporation as a sample preparation method for a dedicated "electronic nose"” C. Pinheiro, T. Schafer, J. G. Crespo. Anal. Chem. 77 (15), 4927-4935, 2005.
“Membrane bioreactors for the removal of anionic micropollutants from drinking water” J. G. Crespo, S. Velizarov, M. A. M. Reis. Curr. Op. Biotech. 15 (5), 463-468, 2004.
“Supported liquid membranes using ionic liquids: study of stability and transport mechanisms” R. Fortunato, C. A. M. Afonso, M. A. M. Reis, J. G. Crespo. J. Memb. Sci. 242 (1-2), 197-209, 2004.
“Two-dimensional fluorometry coupled with artificial neural networks: A novel method for on-line monitoring of complex biological processes” G. Wolf, J. S. Almeida, C. Pinheiro, V. Correia, C. Rodrigues, M. A. M. Reis, J. G. Crespo . Biotech. Bioeng. 72 (3), 297-306, 2001.