1. Bioengineering Laboratory-CIETI; Department of Chemical Engineering; ISEP-School of Engineering of Polytechnic Institute of Porto; Porto 4200-072 Portugal
2. Department of Biology; Federal University of Lavras (UFLA); Lavras Minas Gerais Brazil
3. CEB-Centre of Biological Engineering; University of Minho; Campus de Gualtar Braga 4710-057 Portugal