1. Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Kochi, Kerala 682 022, India
2. Department of Biotechnology, Cochin University of Science and Technology, Kochi, Kerala 682 022, India
3. Inter University Centre for Nanomaterials and Devices (IUCND), Cochin University of Science and Technology, Kochi, Kerala 682 022, India