1. Department of Pharmaceutical Engineering College of Chemical Engineering Northwest University Taibai North Road 229 Xi'an 710069 Shaanxi P.R. China
2. Glycobiology and Glycotechnology Research center College of Food Science and Technology Northwest University Taibai North Road 229 Xi'an 710069 Shaanxi P.R. China
3. College of Life Sciences Northwest University Taibai North Road 229 Xi'an 710069 Shaanxi P.R. China
4. Shaanxi Key Laboratory of Degradable Biomedical Materials College of Chemical Engineering Northwest University Taibai North Road 229 Xi'an 710069 Shaanxi P.R. China
5. Shaanxi R&D Center of Biomaterials and Fermentation Engineering College of Chemical Engineering Northwest University Taibai North Road 229 Xi'an 710069 Shaanxi P.R. China