1. Beijing Laboratory of Biomedical Materials
2. Key Laboratory of Biomedical Materials of Natural Macromolecules
3. Ministry of Education
4. Beijing University of Chemical Technology
5. Beijing 100029
6. Rongcheng Lanrun Biological Technology Co., Ltd
7. Rongcheng 264309
8. People's Republic of China
9. Department of Graduate School
10. Beijing University of Chinese Medicine
11. Department of Biomedical Engineering
12. Columbia University
13. New York
14. USA