1. Analytical Chemistry Department, Faculty of Pharmacy, Helwan University, Ain Helwan, Al Masaken Al Iqtisadeyah, Qism Helwan, Cairo Governorate, Egypt
2. Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ahram Canadian University, Fourth Industrial Zone, Bank Complex, 6th of October City, Giza, Egypt
3. Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Al kasr al ainy street - Al Sayeda Zeinab, Egypt
4. Pharmaceutical Chemistry Department, Faculty of Pharmaceutical Sciences & Pharmaceutical industries, Future University in Egypt, 90th St, Cairo Governorate, Egypt