1. Department of Pharmaceutics, College of Pharmacy Third Military Medical University (Army Medical University) Chongqing 400038 P. R. China
2. Stomatology Hospital, School of Stomatology Zhejiang Provincial Clinical Research Center for Oral Diseases Key Laboratory of Oral Biomedical Research of Zhejiang Province Zhejiang University School of Medicine Hangzhou 310006 P. R. China
3. College of Stomatology, Chongqing Key Laboratory of Oral Diseases & Biomedical Sciences Chongqing Medical University Chongqing 401147 P. R. China
4. College of Pharmacy and Medical Technology Vocational and Technical College Hanzhong Shaanxi 723000 P. R. China
5. Institute of Burn Research, State Key Lab of Trauma Burn and Combined Injury Southwest Hospital Third Military Medical University (Army Medical University) Chongqing 400038 P. R. China