Analysis of urinary aromatic acids by liquid chromatography tandem mass spectrometry

被引：21
作者：
Crow, Brian [1 ]
Bishop, Michael [1 ]
Paliakov, Ekaterina [1 ]
Norton, Dean [1 ]
George, Joe [1 ]
Bralley, J. Alexander [1 ]
机构：
[1] Metametrix Clin Lab, Duluth, GA 30096 USA
来源：
BIOMEDICAL CHROMATOGRAPHY | 2008年 / 22卷 / 12期
关键词：
aromatic acids; LC-MS/MS; biomarkers;
D O I：
10.1002/bmc.1064
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
The separation and detection of 11 urinary aromatic acids was developed using HPLC-MS/MS. The method features a simple sample preparation involving a single-step dilution with internal standard and a rapid 8 min chromatographic separation. The accuracy was evaluated by the recovery of known spikes between 87 and 110%. Inter- and intra-assay precision (CV) was below 11% in all cases and the analytes were observed to be stable for up to 8 weeks when stored at -20 degrees C. The method was validated based upon linearity, accuracy, precision and stability and was used to establish reference intervals for children and adults. Copyright (C) 2008 John Wiley & Sons, Ltd.
引用
收藏
页码：1346 / 1353
页数：8
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