[1] Shanghai Jiao Tong Univ, Peoples Hosp 6, Shanghai 200233, Peoples R China
[2] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
[3] Shanghai Jiao Tong Univ, Coll Chem & Chem Engn, Shanghai 200233, Peoples R China
[4] Univ Montpellier I, CNRS, UMR 5247, Max Mousseron Inst Biomol, F-34060 Montpellier, France