1. Frontiers Science Center for Synthetic Biology Key Laboratory of Systems Bioengineering (MOE) School of Chemical Engineering and Technology Tianjin University Tianjin 300350 P. R. China
2. State Key Laboratory of Medicinal Chemical Biology Nankai University Tianjin 300350 P. R. China
3. School of Chemical Engineering and Australian Centre for NanoMedicine University of New South Wales Sydney NSW 2052 Australia
4. Department of Biological &Environmental Engineering Cornell University Ithaca NY 14853 USA
5. State Key Laboratory of Chemo/Biosensing & Chemometrics College of Chemistry & Chemical Engineering Hunan University Changsha 410082 P. R. China