1. State Key Laboratory of Fine Chemicals and School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian 116012, P. R. China
2. Department of Gastrointestinal Surgery, Dalian Municipal Central Hospital, 826 Southwest Road, Dalian 116033, P. R. China
3. School of Bioengineering, Dalian University of Technology, 2 Linggong Road, Dalian 116012, P. R. China
4. Engineering Laboratory of Boric and Magnesic Functional Material Preparative and Applied Technology, 2 Linggong Road, Dalian, Liaoning 116024, P. R. China