Hadel A. Abo Enin 2, *Mohamed A. El-Nabarawi 1, Saadia A. Tayel 1, Nadia A. Soliman 2,, 1Pharmaceutics and Industerial Pharmacy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt. 2Pharmaceutics Department, National Organization of Drug Control and Research (NODCAR), Giza, Egypt., Egypt