1. Department of Chemistry, American University in Cairo (AUC), AUC Avenue, P.O. Box 74, New Cairo11835, Egypt
2. Department of Chemistry, School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, R5 New Garden City, New Administrative Capital, AL109AB, Cairo11835, Egypt
3. Department of Pharmaceutics and Biopharmaceutics, University of Marburg, Robert-Koch-Str. 4, 35037Marburg, Germany