1. College of Materials Science and Engineering, Sichuan University, Chengdu, Sichuan 610065, China
2. Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, Virginia 23219, United States
3. Tianjin Key Laboratory of Biomedical Materials, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
4. Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia 23284, United States
5. Department of Pharmaceutics, Virginia Commonwealth University, Richmond, Virginia 23298, United States
6. Massey Cancer Center, Virginia Commonwealth University, Richmond, Virginia 23298, United States