1. Department of Chemistry
2. Quaid-i-Azam University
3. Islamabad 45320
4. Pakistan
5. Chemistry of Interfaces
6. Department of Health and Biological Sciences
7. Abasyn University
8. Peshawar 25000
9. Geoscience Advance Research Laboratories
10. Luleå University of Technology
11. SE-97187 Luleå
12. Sweden
13. University of Gujrat
14. Gujrat 50700
15. University of Okara
16. Okara-56300