1. Department of Physics “E.R. Caianiello”, University of Salerno, via Giovanni Paolo II, 132-84084 Fisciano, Salerno, Italy
2. NANO_MATES Research Centre, University of Salerno, via Giovanni Paolo II, 132-84084 Fisciano, Salerno, Italy
3. Stazione Sperimentale per l’Industria delle Pelli e delle materie concianti - SSIP (Italian National Leather Research Institute), Comprensorio Olivetti, Via Campi Flegrei, 34-80078 Pozzuoli, Naples, Italy
4. Conceria DMD SOLOFRA Spa, Via Celentane, 9-83029 Solofra, Avellino, Italy
5. Mario Levi Italia s.r.l., Via Arzignano, 130-36072 Chiampo, Vicenza, Italy