1. Pharmacy Laboratory, Inner Mongolia International Mongolian Hospital, Hohhot, China
2. Biomedical Nanocenter, School of Life Science, Inner Mongolia Agricultural University, Hohhot, P. R. China
3. Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital, Department of Biomedical Engineering, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China