1. State Environmental Protection Engineering Center for Mercury Pollution Prevention and Control
2. Beijing Synchrotron Radiation Facility
3. Institute of High Energy Physics
4. Chinese Academy of Sciences
5. Beijing 100049
6. Department of Chemical Biology
7. Peking University School of Pharmaceutical Sciences
8. Beijing 100191
9. P. R. China
10. Department of Biochemistry
11. Baotou Medical College
12. Inner Mongolia University of Science & Technology
13. Baotou 014010