Affiliation: | a Center of Excellence in Particle Technology, Department of Chemical Engineering, Chulalongkorn University, Patumwan, Bangkok 10330 Thailand b Department of Mechanical and System Engineering, Himeji Institute of Technology, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2201 Japan c National Nanotechnology Center, National Science and Technology Development Agency, Klong Luang, Phathumthani 12120 Thailand |