1. Program of Petrochemistry and Polymer Science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
2. Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station, TX, USA
3. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
4. Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
5. Electrochemistry and Optical Spectroscopy Center of Excellence, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand