1. Department of Polymer Science and Technology, University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
2. Department of Physiology, University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
3. Department of Chemical Technology, Rajabazar Science College, University of Calcutta, Kolkata 700 009, India
4. Department of Chemistry, Jadavpur University, Kolkata 700 032, India
5. Department of Science and Technology (DST) for PURSE and UGC-CPEPA scheme granted to University of Calcutta, 92 A.P.C. Road, Kolkata 700 009, India
6. Center for Research in Nanoscience and Nanotechnology, Acharya Prafulla Chandra Roy Sikhsha Prangan, University of Calcutta, JD-2, Sector-III, Saltlake City, Kolkata 700098, India