1. Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
2. Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
3. Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttrakhand 247667, India