1. Department of Science
2. Faculty of Science
3. Yamagata University
4. Yamagata 990-8560
5. Japan
6. Department of Applied Chemistry for Environment
7. School of Science and Technology
8. Kwansei Gakuin University
9. Sanda 669-1337
10. Department of Chemistry and Applied Chemistry
11. Graduate School of Science and Engineering
12. Saga University
13. Saga 840-8502