Studies on the Alkaloids of Stephania succifera Lo. et Tsoong Studies on the Alkaloids of Stephania yunnanensis Studies on active ingredients in corydalis, Broken cell wall corydalis and its processed products Quality Evaluation on Rhizoma Corydalis Cultivated in Compliance with Good Agricultural Practices Determination of tetrahydropalmatine in Yuanhu Zhitong Capsule by HPLC and evaluation of its measurement uncertainty Effect of l-tetrahydropalmatine on expression of adhesion molecules induced by lipopolysaccharides in human umbilical vein endothelium cell Studies on the Alkaloids of Stephania macrantha H. S. Lo et M. Yang Effects of tetramethylpyrazine and ferulic acid on pharmacokinetics of tetrahydropalmatine in rats Separation of active ingredients from Compound Periploca forrestil by macroporous resin Study on Extraction Conditions for Minute Powder of Processed Rhizome of Corydalis with Vinegar Effects of L-tetrahydropalmatine on concentrations of neurotransmitter amino acids in mice with cerebral ischemia Formulation optimization of synchronous release of Neiyixiao Compound Sustained-release Dropping Pills and investigation on its releasing mechanism Influence of penetration enhancers on in vitro transdermal permeation of L-tethrahydropalmatine Study on in vitro release and percutaneous absorption for Zhitong cataplasm Preparation of molecular imprinted polymers for solid-phase extraction of L-tetrahydropalmatine Comparative study on in vivo pharmacokinetics of tetramethylpyrazine, ferulic acid, and tetrahydropalmatine between model and normal rats Determination of tetrahydropalmatine in Yuanhu Zhitong Capsule by HPLC and evaluation of its measurement uncertainty Simultaneous determination of tetrahydropalmatine and imperatorin in plasma of dog by LC-MS/MS method and pharmacokinetic study on application of Yuanhu Zhitong Tablets Study on percutaneous absorption of Xiaozheng Zhitong cataplasm Quality control for alkaloids of Corydalis Rhizoma based on quantitative analysis on multi-components with single marker Simultaneous determination of seven alkaloids in Cuyanhusuo Granule by RP-HPLC Formulation optimization of synchronous release of Neiyixiao Compound Sustained-release Dropping Pills and investigation on its releasing mechanism Simultaneous determination of six ingredients in Yuanhu Zhitong Dripping Pills by HPLC Effect of Jiawei Foshou San and its compatibility on hepatic P450 enzyme activity and hepatocyte morphology in rats Protective effect of dl-tetrahydropalmatine on liver injury induced by carbon tetrachloride in mice Optimization of microwave extraction process of Corydalis Rhizoma by Box-Behnken in condition of pilot scale Inhibitory mechanism of tetrahydropalmatine enantiomers on cytochrome P450 in human liver microsomes