Two new oligopeptides, Asterin A and B, have been isolated from the rootsof Aster tataricus L. f., and their structures were elucidated on the basis of spectros
A novel simple bromodifluoromethylation method by theaddition of CF<sub>2</sub>Br<sub>2</sub> to alkenes initiated by sulfinatodehalogenationreagents under mild
The activity of the Ab-bound enzyme(HRP)changed afterimmunochemical reaction,and can be indicated by a sensitive fluorimetrickinetic method.The finding set the
The Langmuir-Blodgett (LB) technique was used for the first time to study inhibition mechanism. Stearic acid Langmuir-Blodgett (SALB) monolayers showed a good i