Detection of rifampicin concentration in cerebrospinal fluid by online enrichment and restricted-access media coupled with high-performance liquid chromatography
Objective To establish a method for detecting rifampicin in human cerebrospinal fluid(CSF) with restricted access media coupled with high-performance liquid chromatography that allows online direct sample injection and enrichment.Methods We used the column of restricted access media as the pre-treatment column and a C18 column as the analytical column. The mobile phase of pre-treatment column was water-methanol(95∶5, V/V) and the flow rate was 1 m L/min; the mobile phase of the analytical column was methano...
Detection of rifampicin concentration in cerebrospinal fluid by online enrichment andrestricted-access media coupled with high-performance liquid chromatographyYANG Xiaoping1,4,ZHANG Xiaohui2,HUANG Yanping3,WANG Rong2,XIA Hua2,LI Wenbing2,GUO Youmin41Depa