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- W4385580057 abstract "This mini review focuses on the opportunities provided by current and emerging separation techniques for mass spectrometry metabolomics. The purpose of separation technologies in metabolomics is primarily to reduce complexity of the heterogeneous systems studied, and to provide concentration enrichment by increasing sensitivity towards the quantification of low abundance metabolites. For this reason, a wide variety of separation systems, from column chemistries to solvent compositions and multidimensional separations, have been applied in the field. Multidimensional separations are a common method in both proteomics applications and gas chromatography mass spectrometry, allowing orthogonal separations to further reduce analytical complexity and expand peak capacity. These applications contribute to exponential increases in run times concomitant with first dimension fractionation followed by second dimension separations. Multidimensional liquid chromatography to increase peak capacity in metabolomics, when compared to the potential of running additional samples or replicates and increasing statistical confidence, mean that uptake of these methods has been minimal. In contrast, in the last 15 years there have been significant advances in the resolution and sensitivity of ion mobility spectrometry, to the point where high-resolution separation of analytes based on their collision cross section approaches chromatographic separation, with minimal loss in sensitivity. Additionally, ion mobility separations can be performed on a chromatographic timescale with little reduction in instrument duty cycle. In this review, we compare ion mobility separation to liquid chromatographic separation, highlight the history of the use of ion mobility separations in metabolomics, outline the current state-of-the-art in the field, and discuss the future outlook of the technology. “Where there is one, you’re bound to divide it. Right in two”, James Maynard Keenan." @default.
- W4385580057 created "2023-08-05" @default.
- W4385580057 creator A5019660033 @default.
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- W4385580057 date "2023-08-04" @default.
- W4385580057 modified "2023-09-26" @default.
- W4385580057 title "Right in two: capabilities of ion mobility spectrometry for untargeted metabolomics" @default.
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- W4385580057 doi "https://doi.org/10.3389/fmolb.2023.1230282" @default.
- W4385580057 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37602325" @default.
- W4385580057 hasPublicationYear "2023" @default.
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