1. Department
of Analysis and Evaluation, Egyptian Petroleum Research Institute, Cairo, Nasr
City P.B. 11727, Egypt
2. Institut Européen des Membranes IEM, UMR 5635, ENSCM, Université de Montpellier, CNRS, Place Eugène Bataillon, CC047, F-34095 Montpellier Cedex 5, France
3. EC2M,
Faculty of Sciences 2, and Research Platform for Nanosciences and
Nanotechnologies, Lebanese University, Campus Pierre Gemayel, Fanar 90656, Lebanon
4. Institute
of Atomic Physics and Spectroscopy, University of Latvia, 19 Raina Boulevard, LV 1586 Riga, Latvia
5. Institut Universitaire de France (IUF), 75231 Paris Cedex 05, France