1. Department of Manufacturing Pharmacy Faculty of Pharmacy Mahidol University Bangkok 10400 Thailand
2. Center of Innovative Pharmacy for Pharmaceutical and Herbal Product Development Faculty of Pharmacy Mahidol University Bangkok 10400 Thailand
3. National Nanotechnology Center National Science and Technology Development Agency Pathumthani 12120 Thailand
4. Department of Pharmaceutical Technology Faculty of Pharmaceutical Sciences Naresuan University Phitsanulok 65000 Thailand