1. Department of PharmacyBiopharmaceutics and Pharmaceutical TechnologySaarland University Campus C4 1 D‐66123 Saarbrücken Germany
2. Department of PharmaceuticsFaculty of PharmacyAlexandria University 21521 Alexandria Egypt
3. Institute for Applied Materials (IAM) and Karlsruhe Nano Micro Facility (KNMF)Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
4. Department of Biophysical ChemistrySaarland University Campus B2 2 D‐66123 Saarbrücken Germany
5. Physical Chemistry and Didactics of ChemistrySaarland University Campus B2 2 D‐66123 Saarbrücken Germany