1. Institute for Chemical Biology & Biosensing, College of Life Sciences, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
2. School of Pharmacy, Medical College, Qingdao University, 308 Ningxia Road, Qingdao 266071, China
3. Qingdao Hightop Biotech Co., Ltd, 369 Hedong Road, Hi-tech Industrial Development Zone, Qingdao 266112, China