1. College of Chemistry and Chemical Engineering
2. Hunan University of Arts and Science
3. Changde 415000
4. China
5. State Key Laboratory of Chemo/Biosensing and Chemometrics
6. Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
7. Hunan Normal University
8. Changsha 410081
9. Hunan University
10. Changsha 410082