1. Affiliated Stomatological Hospital, Nanchang University, Nanchang, Jiangxi 330006, P. R. China
2. National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, P. R. China
3. Key Laboratory of Oral Biomedicine, Nanchang, Jiangxi 330006, P. R. China
4. College of Chemistry, Nanchang University, Nanchang, Jiangxi 330088, P. R. China