1. Faculté Des Sciences De Bizerte, Laboratoire de Chimie Des Matériaux, Zarzouna, Tunisie
2. Computational and Bio-Simulation Research Group, University of Calabar, Calabar, Nigeria
3. Department of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar, Calabar, Nigeria
4. Centre de Diffractométrie X, UMR 6226 CNRS, Institut Sciences Chimiques De Rennes, Université De Rennes I, Rennes, France
5. Department of Mathematics, Faculty of Physical Sciences, University of Calabar, Calabar, Nigeria
6. Department of Microbiology, Faculty of Biological Sciences, University of Calabar, Calabar, Nigeria