1. Laboratory of Fundamental Sciences
2. University Amar Telidji
3. BP37G Laghouat
4. Algeria
5. Department of Analytical Chemistry and Pharmaceutical Technology
6. Vrije Universiteit Brussel (VUB)
7. B-1090 Brussels
8. Belgium
9. Laboratory of Instrumental Analysis and Bioelectrochemistry
10. Department of Toxicology
11. Dermato-Cosmetology and Pharmacognosy
12. B-1030 Brussels