Institute of Traditional Chinese Medicine and Natural Products;
Guangdong Province Key Laboratory of Pharmacodynamic Con-stituents of TCM and New Drugs Research;
Jinan University;
Guangzhou 510632;
China;
Department of Chemistry;
School of Sciences;
Shantou University;
Shantou 515063;
China;
aladan; dynorphin; A; fluorescent; amino; acid; fluorescent; peptide;