1. Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
2. Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
3. Endocrinology, Division, CSIR-Central Drug Research Institute Lucknow, Lucknow, Uttar Pradesh 226 031, India
4. King George’s Medical University, Lucknow, Uttar Pradesh 226 003, India