1. School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China
2. Gansu Drug Administration Review and Certification Center, Lanzhou 730050, Gansu, P. R. China
3. China National Intellectual Property Administration, Beijing 102206, P. R. China
4. School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, P. R. China