1. The College of Life Science; Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education
2. College of Chemistry and Materials Science
3. Northwest University
4. Xi'an 710069
5. China
6. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
7. CAS Center for Excellence in Nanoscience
8. National Center for Nanoscience and Technology of China
9. Zhongguancun