1. Graduate School of Science and Technology; Niigata University; 8050 Ikarashi-2-nocho Nishi-ku Niigata 950-2181 Japan
2. Sensor Research Unit; Department of Chemistry; Faculty of Science; Chulalongkorn University; 254 Phyathai Rd Patumwan Bangkok 10330 Thailand
3. Center for Transdisciplinary Research; Niigata University; 8050 Ikarashi-2-nocho Nishi-ku Niigata 950-2181 Japan