1. Institute of Biochemistry and BiologyUniversity of Potsdam Karl-Liebknechtstrasse 24–25 14476 Potsdam-Golm Germany
2. Applied Organic Chemistry DepartmentNational Research Centre (NRC) El Bohouth St., Dokki 12622 Giza Egypt
3. Center for Materials ScienceZewail City of Science and Technology 6th October City 12588 Giza, Egypt