Biocathodes for Enzymatic Biofuel Cells Using Laccase and Different Redox Mediators Entrapped in Polypyrrole Matrix. - Cardoso, F. P.; Aquino Neto, S.; Crepaldi, L. B.; Nikolaou, S.; Barros, V. P.; De Andrade, A. R. (Journal of The Electrochemical Society, 2014)