1. Department of Chemistry University of Pavia Viale Tarquato Taramelli 12 Pavia 27100 Italy
2. Centro Grandi Strumenti University of Pavia Via Bassi 21 Pavia 27100 Italy
3. Elettra sincrotrone Trieste S.C.p.a. Area science park Basovizza (TS) 34149 Italy
4. Department of Chemistry & Chemical Technologies University of Calabria Via P. Bucci, 13/C 87036 Rende (CS) Italy
5. Institute on Membrane Technology National Research Council of Italy (CNR-ITM) Via P. Bucci 17/C Rende (CS) 87036 Italy
6. Department of Chemistry College of Science Swansea University Singleton Park Swansea Wales, SA2 8PP UK