1. Beijing National Laboratory for Molecular Sciences
2. State Key Laboratory of Polymer Physics and Chemistry
3. Institute of Chemistry
4. Chinese Academy of Sciences
5. Beijing 100190
6. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
7. National Center for Nanoscience and Technology
8. China
9. Ninth People's Hospital
10. School of Medicine
11. Shanghai Jiao Tong University
12. Shanghai 200011