1 Department of Industrial Engineering, Alma Mater Studiorum-Università, Bologna, Italy.
2 Health Sciences and Technologies - Interdepartmental Center for Industrial Research (CIRI-HST), Alma Mater Studiorum-Università, Bologna, Italy.
3 Department of Chemistry "G. Ciamician", Alma Mater Studiorum-Università, Bologna, Italy.
4 Department of Mechanical Engineering, Center for Nanofibers and Nanotechnology, National University of Singapore, Singapore, Singapore.
5 Applications in Mechanical Engineering and Materials Technology - Interdepartmental Center for Industrial Research (CIRI-MAM), Alma Mater Studiorum-Università, Bologna, Italy.