1. Photochemistry Department (Synthetic Unit), National Research Centre, Cairo, Egypt
2. Chemistry Department, Faculty of Science, Suez University, Suez, Egypt
3. Medical Laboratories Department, Applied Medical Science, Shaqra University, Shaqra, Saudi Arabia
4. Tanning Materials and Leather Technology Department, National Research Centre, Cairo, Egypt
5. Department of Pharmaceutical Medicinal Chemistry and Drug Design, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
6. Department of Chemistry, College of Science, Qassim University, Buraydah, Saudi Arabia