1. Organometallic and Organometalloid Chemistry Department, National Research Centre, Cairo, Egypt
2. Department of Chemistry (Biochemistry Branch), Faculty of Science, Cairo University, Giza, Egypt
3. Cell Biology Department, National Research Centre, Dokki, Egypt
4. Zoology Department, Faculty of Science, Cairo University, Giza, Egypt
5. Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt