期刊
JOURNAL OF SEPARATION SCIENCE
卷 31, 期 9, 页码 1598-1608出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.200700644
关键词
HILIC; metabonomics; type II diabetes; urine; Zucker rats
Hydrophilic interaction chromatography (HILIC) provides a complementary technique to RP methods for the retention of polar analytes for LC-MS-based metabonomic studies. Combining the advantages of both RP and HILIC separations with the efficient and rapid separations obtained using sub-2 mu m particles via the recently introduced ultra-performance LC (UPLC) enables increased coverage of the metabolites present in biological samples to be achieved. Here an HILIC-UPLC-MS method was developed to provide metabolite profiles for urine samples obtained from male Zucker rats. The resulting data were compared with results obtained for the same samples by RP-UPLC-MS and demonstrated the complementary nature of the two separations with both methods enabling discrimination between the different sample types. Interestingly sample type differentiation was based on different markers.
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