Affiliation: | 1. Department of Chemistry, P.O. Box 3000, FI-90014 University of Oulu, Finland;2. Department of Chemistry and Bioengineering, Tampere University of Technology, P.O. Box 541, FI-33101 Tampere, Finland;3. Department of Chemistry and Mathematics, Faculty of Petroleum and Mining Engineering, Suez University, Suez 43721, Egypt |