Experiments were conducted to study permeation-enhancing effect of various concentration of water soluble azone,propylene glycol and menthol on the in vitro percutaneous penetration of trichlorfon through hybrid snakehead skin[Channa maculate(♀)×Channa argus(♂)],and selected the suitable penetration enhancers for trichlorfon used in aquaculture.Franz diffusion chambers were used and excised hybrid snakehead skin was chosen as transdermal barrier.GC method was established to determine the content of drug in ...