1. Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine
2. Institute of Radiation Medicine
3. Chinese Academy of Medical Science & Peking Union Medical College
4. Tianjin 300192
5. P. R. China
6. State Key Laboratory of Medicinal Chemical Biology
7. Key Laboratory of Functional Polymer Materials
8. Ministry of Education
9. Institute of Polymer Chemistry
10. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)