1. Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
2. Department of Chemistry, Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
3. Research Center for Environmental and Hazardous Substance Management (EHSM), Khon Kaen University, Khon Kaen 40002, Thailand