1. Department of Chemical Engineering, IIT Guwahati, Guwahati, Assam, India
2. Centre for Nanotechnology, IIT Guwahati, Guwahati, Assam, India
3. Department of Chemical Engineering, Centre for Nanotechnology, and Jyoti and Bhupat Mehta School of Health Sciences and Technology, IIT Guwahati, Guwahati, Assam, India