1. Center of Bio and Micro/Nano Functional Materials
2. State Key Laboratory of Crystal Materials
3. Shandong University
4. Jinan 250100
5. China
6. Department of Chemistry
7. Hong Kong Branch of Chinese National Engineering Research Center for Tissue Resto-ration and Reconstruction
8. Institute for Advanced Study
9. Division of Biomedical Engineering and Division of Life Science
10. The Hong Kong University of Science and Technology