1. Nanomedicine Labs, Center for Materials Science (CMS), Zewail City of Science and Technology, 6 October City, 12578 Giza, Egypt
2. Material Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, 62511 Beni-Suef, Egypt
3. Molecular Bioanalytics and Bioelectronics Group, Institute of Biochemistry and Biology, University of Potsdam, 14476 Potsdam-Golm, Germany
4. Department of Physics and Astronomy, Uppsala University, Box 516, SE-75120 Uppsala, Sweden