1. National Research Council of Italy (CNR); Institute on Membrane Technology (ITM); Via P. Bucci c/o Università della Calabria Cubo 17/C 87036 Rende CS Italy
2. Department of Environmental and Chemical Engineering (DIATIC); University of Calabria (UNICAL); Via P. Bucci Cubo 45/A 87036 Rende CS Italy
3. National Research Council of Italy (CNR); Institute of Crystallography (IC); Via G. Amendola 122/o 70126 Bari BA Italy
4. Polytechnic of Bari; Department of Electronics and Information Engineering (DEI); Via G. Orabona 4 70125 Bari BA Italy
5. National Research Council of Italy (CNR); Institute of Calculus Applications “Mauro Picone” (IAC); Via G. Amendola 122/o 70126 Bari BA Italy