1. College of Science and Humanities, Imam Abdulrahman Bin Faisal University, Jubail, Saudi Arabia
2. Department of Chemistry, Faculty of Science (Girls), Al-Azhar University, P.O. Box: 11754, Yousef Abbas Str., Nasr City, Cairo, Egypt
3. Chemistry Department, Faculty of Science, El-Mansoura University, Egypt
4. Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, P.O. Box 29, Nasr City, Cairo, Egypt