1. State Key Laboratory of Bioreactor Engineering, School of Biotechnology, East China University of Science and Technology, Shanghai 200237, P. R. China
2. Key Laboratory of Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
3. Department of Bioproducts and Biosystems Engineering, University of Minnesota, Saint Paul, Minnesota 55108, United States