1. Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore
2. Department of Life Science Engineering, Faculty of Modern Science and Technology, Nano Biotechnology Group, University of Tehran, Iran. Tehran 1439957131, Iran
3. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
4. Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
5. Center for Nanotechnology and Sustainability, National University of Singapore, Singapore 117576, Singapore