1. College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
2. Radiation Chemistry Department, Sichuan Institute of Atomic Energy, Chengdu 610101, China
3. Irradiation Preservation Key Laboratory of Sichuan Province, Chengdu 610101, China
4. Animal Experiment Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China