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
How to develop a new,efficient photo catalyst is still a big challenge to us.[1-5] A suitable band gap is the key for light absorption of semiconductor.