Dr. Hossamelden Galal Moursy Mohamedbakr is currently working as Assistant Professor of Chemistry Department, Faculty of Science, Gizan University, Gizan, KSA. He has completed his Ph.D. in Radiation Biology from Middlesex University, UK. He also appointed as Demonstrator, Assistant Lecturer, and Lecturer at Suez Canal University, Egypt. He also attended number of conferences. He has published 14 research articles in journals as author/co-author.