[Wong, Po Keung; Wang, Wanjun; Yip, Ho Yin] Chinese Univ Hong Kong, Sch Life Sci, Shatin, Hong Kong, Peoples R China.
[Yu, Ying] Cent China Normal Univ, Inst Nanosci & Nanotechnol, Wuhan 430079, Peoples R China.
[Yu, Jimmy C.] Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China.
[An, Taicheng; Li, Guiying] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China.