1. Department of Chemistry
2. Sultan Qaboos University
3. P. O. Box 36
4. Al Khod 123
5. Sultanate of Oman
6. State Key Laboratory of Rare Earth Resource Utilization
7. Changchun Institute of Applied Chemistry
8. Chinese Academy of Sciences
9. Changchun 130022
10. People's Republic of China
11. Department of Applied Biology and Chemical Technology
12. The Hong Kong Polytechnic University
13. Kowloon
14. Hong Kong
15. University of Bath
16. Claverton Down
17. Bath BA2 7AY
18. UK