1. Department of Chemistry, University of Gujrat, Gujrat 50700, Pakistan
2. Department of Chemistry, Govt. College Women University, Sialkot 51300, Pakistan
3. Department of Chemistry, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
4. Department of Chemistry, Quaid-i-Azam University, Islamabad-45320, Pakistan
5. Karlsruhe Institute of Technology (KIT), Institute for Biological Interfaces (IBG-1), Hermann-von-Helmholtz-Platz, D-76344 Eggenstein-Leopoldshafen, Germany