1. Tianjin Key Laboratory of Chemical Process Safety
2. School of Chemical Engineering and Technology
3. Hebei University of Technology
4. Tianjin 300130
5. P. R. China
6. School of Pharmacy
7. Collaborative Innovation Center of Advanced Drug Delivery Systems and Biotech Drugs in Universities of Shandong
8. Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University)
9. Ministry of Education
10. Yantai University