1. State Key Laboratory of Supramolecular Structure and Materials
2. College of Chemistry
3. Jilin University
4. Changchun 130012
5. P. R. China
6. Department of Oral Pathology
7. School and Hospital of Stomatology
8. Changchun 130021
9. Department of Stomatology
10. China–Japan Union Hospital
11. Changchun 130031