1. Department of Chemistry; Hazara University; Mansehra Pakistan
2. Department of Chemistry, School of Natural Sciences; National University of Sciences and Technology; Islamabad Pakistan
3. Department of Microbiology and Molecular Genetics; University of the Punjab; Lahore Pakistan
4. Institut für Chemie; Universität Rostock; Rostock Germany
5. Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Beijing 100190 China
6. Department of Microbiology; Hazara University; Mansehra Pakistan