1. Department of Materials Science
2. Fudan University
3. Shanghai
4. PR China
5. The Institute for Translational Nanomedicine
6. Shanghai East Hospital
7. The Institute for Biomedical Engineering & Nano Science
8. Tongji University School of Medicine
9. Shanghai 200092
10. Endoscopy Center and Endoscopy Research Institute
11. Zhongshan Hospital
12. China