[1] Nanjing Tech Univ, Coll Biotechnol & Pharmaceut Engn, State Key Lab Mat Oriented Chem Engn, 30 South Puzhu Rd, Nanjing 211816, Peoples R China
[2] Imperial Coll London, Dept Bioengn, London SW7 2AZ, England
[3] Imperial Coll London, Imperial Coll Ctr Synthet Biol, London SW7 2AZ, England
[4] Nanjing Normal Univ, Sch Food Sci & Pharmaceut Engn, 2 Xuelin Rd, Nanjing 210023, Peoples R China