1. Applied Chemistry Program Faculty of Science Maejo University Chiang Mai 50290 Thailand
2. National Nanotechnology Center (NANOTEC) National Science and Technology Development Agency (NSTDA) Pathumthani 12120 Thailand
3. Chemistry Program Faculty of Science and Technology Pibulsongkram Rajabhat University Phitsanulok 65000 Thailand
4. Chemistry Program Faculty of Science Maejo University Chiang Mai 50290 Thailand