1. Chemistry department, Faculty of Science (Boys) Al‐Azhar University Cairo Egypt
2. Botany and Microbiology Department, Faculty of Science (Boys) Al‐Azhar University Cairo Egypt
3. Chemistry Department, Faculty of Science (Girls) Al‐Azhar University Cairo Egypt
4. Protein Research Department, Genetic Engineering and Biotechnology Research Institute City of Scientific Research and Technological Applications (SRTA‐City) New Borg EL‐Arab Egypt