1. Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Kerala, India
2. Nanotechnology and Bio-engineering Research Group, Department of Environmental Science, Institute of Technology Sligo, Sligo, Ireland
3. Centre for Precision Engineering, Materials and Manufacturing Research (PEM), Institute of Technology Sligo, Sligo, Ireland
4. Inter University Centre for Nanomaterials and Devices, Cochin University of Science and Technology, Kerala, India