1. State Key laboratory of Chemo/Biosensing and Chemometrics Advanced Catalytic Engineering Research Center of the Ministry of Education College of Chemistry and Chemical Engineering Hunan University Changsha 410082 China
2. Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hung Hom Hong Kong P. R. China
3. The Institute of Scientific and Industrial Research Osaka University 8-1 Mihogaoka Ibaraki-shi, Osaka 567-0047 Japan