1. Center of Excellence for Trace Analysis and Biosensor Prince of Songkla University Hat Yai Thailand
2. Center of Excellence for Innovation in Chemistry Faculty of Science, Prince of Songkla University Hat Yai Thailand
3. Division of Physical Science Faculty of Science, Prince of Songkla University Hat Yai Thailand
4. Rubber Product and Innovation Development Unit Faculty of Science, Prince of Songkla University Hat Yai Thailand