1. Key Laboratory of Green Chemistry and Technology of Ministry of Education
2. College of Chemistry, and State Key Laboratory of Polymer Materials Engineering
3. Sichuan University
4. Chengdu 610064
5. P. R. China
6. Department of Chemistry and Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration & Reconstruction
7. Hong Kong University of Science and Technology
8. Kowloon
9. Hong Kong
10. National Synchrotron Light Source II Brookhaven National Lab
11. Upton
12. USA