1. Faculty of Pharmacy, Bahauddin Zakariya University, Multan, Pakistan
2. Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
3. Leicester School of Pharmacy, De Montfort University, Leicester, UK
4. Nanotechnology and Integrated Bioengineering Centre, University of Ulster, Jordanstown Campus, Newtownabbey BT37 0QB, Northern Ireland, UK