From rhizomes of Hemsleya giganthy collected in Shichuan of China, 16 compounds were isolated.Among them, three compounds (8, 9, 15) are new natural products ca
Selenium nanoparticles were prepared by a reverse microemulsion system. Sodium selenosulfate was used as selenium source. The results showed that hydrochloric a
Electron transfer (ET) from ascorbic acid (AA) in aqueous to ferrocene (Fc) in 1,2-dichloroethane (DCE) was probed by the scanning electrochemical microscopy (S