1. Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
2. State Key Laboratory of Applied Organic Chemistry
3. College of Chemistry and Chemical Engineering
4. Lanzhou University
5. Lanzhou 730000
6. Key Laboratory of Nano-Bio Interface
7. Division of Nanobiomedicine
8. CAS Center for Excellence in Nanoscience
9. Suzhou Institute of Nano-Tech and Nano-Bionics
10. Chinese Academy of Sciences