'Alpha'-Chymotrypsin on a superparamagnetic nanoparticle: immobilization, stability, reuse and application in peptide chemistry - Fernandes, R. M; Liria, Cleber Wanderlei; Costa, N. J. S; Rossi, Liane Marcia; Miranda, Maria Terêsa Machini de (Annual Meeting of Brazilian Biochemistry and Molecular Biology (SBBq), 2010)