Contact Carlos Lodeiro Espiño, PhD Mobile Phone: +351 916 949 133 Office Chemistry Department: +351 21 29 48 300 (Ext. 11402) e-mail: cle@fct.unl.pt José Luís Capelo Martínez, PhD Mobile Phone: + 351 91 94 04 933 Office Chemistry Department: +351 21 29 48 300 (Ext. 11402) e-mail: jlcm@fct.unl.pt