1. Department of Pharmaceutical Engineering; Faculty of Engineering; Toyama Prefectural University; 5180 Kurokawa, Imizu Toyama 939-0398 Japan
2. Research Institute for Chemical Process Technology; National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Central 5-2, 1-1-1 Higashi, Tsukuba Ibaraki 305-8565 Japan