1. Shaanxi Key Laboratory of Degradable Biomedical Materials
2. Shaanxi R&D Center of Biomaterials and Fermentation Engineering
3. School of Chemical and Engineering
4. Northwest University
5. Xi'an
6. Jiangsu Key Laboratory of Biofunctional Materials
7. School of Chemistry and Materials Science
8. Nanjing Normal University
9. Nanjing 210046
10. P. R. China
11. Institute of Advanced Materials (IAM)
12. School of Materials Science and Engineering
13. Key Laboratory for Organic Electronics & Information Displays (KLOEID)
14. Nanjing University of Posts & Telecommunications
15. Nanjing 210023