1. Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai 90112, Thailand
2. Drug Delivery System Excellent Center, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai 90112, Thailand
3. Nano-Delivery System Laboratory, National Nanotechnology Center, National Science and Technology Development Agency, Thailand Science Park, Pathum Thani 12120, Thailand