1. Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
2. Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand
3. Center of Excellence in Advanced Materials and Biointerfaces, Chulalongkorn University, Bangkok 10330, Thailand
4. Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
5. National Nanotechnology Center, National Science and Technology Development Agency, Pathumthani 12120, Thailand