1. Laboratory of Physico-chemical of the Solid State
2. Department of Chemistry
3. Faculty of Sciences of Sfax
4. Université de Sfax
5. 3000 Sfax
6. Laboratory of Enzyme Engineering and Microbiology
7. University of Sfax
8. National School of Engineering of Sfax (ENIS)
9. B.P. 1173-3038 Sfax
10. Tunisia
11. University of the Free State
12. Bloemfontein 9300
13. South Africa
14. University of Rennes
15. CNRS
16. ISCR (Institute of Chemical Sciences of Rennes) – UMR 6226
17. F-35000 Rennes
18. France