1. Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, India;
2. Department of Physics, School of Physical, Chemical and Applied Sciences, Pondicherry University, Puducherry, India;
3. UNESCO-UNISA Africa Chair in Nanoscience's/Nanotechnology Laboratories, College of Graduate Studies, University of South Africa (UNISA), Ridge, South Africa;
4. Nanosciences African Network (NANOAFNET), Materials Research Group (MRG), iThemba LABS-National Research Foundation (NRF), Somerset West, Western Cape Province, South Africa;
5. Biological Sciences Department, Wagner College, Staten Island, NY, USA;
6. Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia