1. Department of Chemistry in Pharmaceutical Sciences, Complutense University of Madrid, E-28040 Madrid, Spain
2. Department of Optics, Complutense University of Madrid, E-28037 Madrid, Spain
3. Nanobiology Group, Instituto Ramón y Cajal de Investigación Sanitaria, IRYCIS, 28034 Madrid, Spain
4. Departamento de Física de Materiales, Universidad Autónoma de Madrid, 28049 Madrid, Spain
5. Dipartimento di Scienze Chimiche, Università di Padova, 35131 Padova, Padua, Italy
6. Istituto di Chimica della Materia Condensata e Tecnologie per l’Energia (ICMATE), Consiglio Nazionale delle Ricerche (CNR), 35131 Padova, Padua, Italy
7. Departamento de Física Aplicada, Universidad Autónoma de Madrid, 28049 Madrid, Spain
8. Spanish CRG BM25-SpLine Beamline at the ESRF, 38043 Grenoble, France
9. Instituto de Ciencias de los Materiales de Madrid-Consejo Superior de Investigaciones Científicas, Cantoblanco, 28049 Madrid, Spain
10. Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain