Isotopic labeling-assisted metabolomics using LC-MS.
Isotopic labeling-assisted metabolomics using LC-MS.
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DOI:
10.1007/s00216-012-6375-y
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发表时间:
2013-01
影响因子:
4.3
通讯作者:
Schuhmacher, R.
中科院分区:
文献类型:
--
作者:
Bueschl, C.;Krska, R.;Kluger, B.;Schuhmacher, R.
Metabolomics has emerged as the latest of the so-called “omics” disciplines and has great potential to provide deeper understanding of fundamental biochemical processes at the biological system level. Among recent technological developments, LC–HRMS enables determination of hundreds to thousands of metabolites over a wide range of concentrations and has developed into one of the most powerful techniques in non-targeted metabolomics. The analysis of mixtures of in-vivo-stable isotopic-labeled samples or reference substances with un-labeled samples leads to specific LC–MS data patterns which can be systematically exploited in practically all data-processing steps. This includes recognition of true metabolite-derived analytical features in highly complex LC–MS data and characterization of the global biochemical composition of biological samples. In addition, stable-isotopic labeling can be used for more accurate quantification (via internal standardization) and identification of compounds in different organisms.
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