The residues of veterinary drugs in edible tissues cause a risk to human health.To ensure food safety,sensitive and specific analytical methods are necessary for multi-residual analysis of veterinary
A sample pretreatment technique based on the tandem nano carbon fiber columns has been developed to pre-separating different polar components in the plant extract.The first dimensional separation on t
A novel sample pretreatment technique is developed for detecting the major ginsenosides biological metabolites in rat,urine and feces.through carbon fiber couple with MS/MS analyses.Carbon fiber pre-c