1. Department of Chemistry, Faculty of Science; Chiang Mai University; Chiang Mai 50200 Thailand
2. Graduate School; Chiang Mai University; Chiang Mai 50200 Thailand
3. Research Administration Center; Office of the University, Chiang Mai University; Chiang Mai 50200 Thailand
4. Bioplastics Production Laboratory for Medical Applications, Faculty of Science; Chiang Mai University; Chiang Mai 50200 Thailand
5. Center of Excellence in Materials Science and Technology; Chiang Mai University; Chiang Mai 50200 Thailand
6. Center of Excellence for Innovation in Chemistry, Faculty of Science; Chiang Mai University; Chiang Mai 50200 Thailand