1. Department of Chemistry
2. College of Science
3. King Saud University
4. Riyadh 11451
5. Kingdom of Saudi Arabia
6. Department of Agricultural Microbiology
7. Faculty of Agriculture
8. Aligarh Muslim University
9. Aligarh
10. India
11. Chemistry Department
12. King Fahd University of Petroleum & Minerals
13. Dhahran
14. Institute of Inorganic and Analytical Chemistry
15. Johannes Gutenberg-University of Mainz
16. Mainz 55122
17. Germany