1. School of Chemical Engineering and Technology Tianjin University Tianjin 300350 P. R. China
2. Department of Biotechnology Delft University of Technology 2629 HZ Delft The Netherlands
3. Institute of Bioprocess Engineering and Pharmaceutical Technology University of Applied Sciences Mittelhessen Gießen 35390 Germany
4. Department of Biocatalysis Institute of Catalysis CSIC 28049 Madrid Spain
5. Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences Tianjin 300308 P. R. China