1. State
Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry
and Chemical Engineering, College of Biology, Hunan University, Changsha, Hunan 410082, P. R. China
2. Institute
of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan 421001, P. R. China
3. Department
of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
4. Department
of Chemistry, Iowa State University, Ames, Iowa 50011, United States