1. The Affiliated Stomatological Hospital, Nanchang University, Nanchang, Jiangxi 330006, P. R. China
2. The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, P. R. China
3. School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330088, P. R. China
4. College of Chemistry and Chemical Engineering, Jinggangshan University, Ji’an, Jiangxi 343009, P. R. China
5. Medical College, Jinggangshan University, Ji’an, Jiangxi 343009, P. R. China