1. Public Works Engineering Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt
2. Department of Environmental Sciences, College of Life Sciences, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait
3. School of Chemistry and Chemical Engineering, Queen’s University Belfast, Belfast, Northern Ireland BT7 1NN, U.K.
4. Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
5. Department of Botany and Microbiology, Faculty of Science, Alexandria University, Alexandria, Egypt