1. Graduate School of Chemical Sciences and Engineering, Hokkaido University, N13W8, Kitaku, Sapporo060-8628, Japan
2. Department of Microbiology, Faculty of Biological Sciences, University of Nigeria, 410001Nsukka, Enugu State, Nigeria
3. Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, N13W8, Kitaku, Sapporo060-8628, Japan