1. Department of Chemical Engineering, University of Patras, Patras 26504, Greece
2. Physik-Department, Fachgebiet Physik weicher Materie, Technische Universität München, James Franck-Str. 1, Garching 85748, Germany
3. Large Scale Structures Group, Institut Laue-Langevin, 71 Avenue des Martyrs, CS 20 156, Grenoble 38042, France
4. Department of Pharmacy, Frederick University, 7 Y. Frederickou Str., Pallouriotissa, Nicosia 1036, Cyprus
5. Department of Chemistry, University of Cyprus, P.O. Box 20537, 1678 Nicosia, Cyprus