1. Integrative Biomedical Materials and Nanomedicine Lab, Department of Experimental and Health Sciences (DCEXS), Pompeu Fabra University (UPF), Biomedical Research Park (PRBB), carrer Doctor Aiguader 88, 08003 Barcelona, Spain
2. Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Grupo de Física de Coloides y Polímeros, Departamento de Química Inorgánica, Universidade de Santiago de Compostela, Santiago de Compostela, 15782, Spain
3. Center for Hybrid Nanostructures, Universität Hamburg, 22607 Hamburg, Germany
4. Physics Department, Faculty of Science, Al-Azhar University, Cairo, Egypt