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Skip to Search Results- 13Metabolomics
- 8Mass-spectrometry
- 6Chemical isotope labeling
- 6LC-MS
- 3Metabolite identification
- 3Proteomics
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Isotope Labeling Liquid Chromatography Mass Spectrometry: Metabolite Identification and Human Salivary Metabolome Profiling
DownloadFall 2012
The objective of this work was to use paired labeling reagents that are chemically identical but isotopically different to provide a simple and robust way of mass spectrometry (MS)-based metabolome profiling. A differential 13C-/12C-isotope dansyl chloride (DnsCl) derivatization strategy has been...
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Differential 15N2-/14N2-isotope Dansylhydrazine Labeling and LC-MS for Quantification of the Human Carbonyl Metabolome
DownloadFall 2011
The objective of this work was the design and use of paired labeling reagents that are chemically identical but isotopically different to provide a simple and robust means of quantitative mass spectrometry (MS) based metabolome profiling. Herein is presented the differential 15N2-/14N2-isotope...
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Development and Application of Chemical Isotope Labeling Methods for Metabolomics Data Processing and Liquid Chromatography-Mass Spectrometry-Based Metabolomics
DownloadSpring 2016
Metabolomics is the study of chemical processes involving small-molecule metabolites in a given biological system. These small molecules are downstream outputs of cellular activities. An understanding of the metabolome change can help us to visualize perturbations in the genome or proteome from...
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Development and Applications of Stable Isotope Labelling Liquid Chromatography Mass Spectrometry for Quantitative Proteomics
DownloadSpring 2011
This thesis describes the characterization, automation, and applications of a stable isotope labelling method for quantitative proteomics by mass spectrometry. Known as 2MEGA, the method uses guanidinylation to convert peptide lysine residues to homoarginine followed by reductive methylation of...
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Development and Application of Isotope Labeling Method and Data Processing Program for Liquid Chromatography Mass Spectrometry Based Metabolome Profiling
DownloadSpring 2015
The objective of this thesis focuses on establishing a software tool (IsoMS) used in the quantification and qualification of metabolites in complex biological samples, developing robust methods to extract metabolites from different plant samples, and applying a differential 13C-/12C-isotope...
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Development of Chemical Isotope Labeling Liquid Chromatography Mass Spectrometry on Quadrupole-Orbitrap Mass Spectrometers for Metabolome Analysis
DownloadFall 2023
Chemical isotope labeling liquid chromatography-mass spectrometry (CIL LC-MS) is a powerful technique in metabolomics, offering extensive coverage of the metabolome. This method involves dividing metabolites into sub-groups based on their functional groups and subjecting them to specific labeling...
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Development of Blood Metabolomics for Biomarker Discovery Using Chemical Isotope Labeling and Liquid Chromatography-Mass Spectrometry
DownloadSpring 2018
Blood-metabolite-based biomarkers are useful for the early-stage diagnosis, accurate prognostic prediction and personalized treatment of various diseases. Blood contains a massive number of metabolites that can potentially become biomarkers, but the metabolome coverage of current analytical...
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Metabolite Identification and Quantification in Biofluids Using Liquid Chromatography Mass Spectrometry
DownloadFall 2012
Metabolomics, one of the branches of systems biology, is the comprehensive measurement of all the endogenous metabolites in a biological system. It can be applied in the areas of biomarker discovery and diagnosis of critical diseases and disorders, and can significantly increase our understanding...
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Development of Chemical Isotope Labeling (CIL) LC-MS Techniques for Untargeted Analysis Milk Metabolomics and Targeted Analysis of Propionic Acid
DownloadFall 2017
Metabolomics is the study of all the small molecules in a given sample or organism. It is used to understand individual variations caused by the relationship between the individual’s genetics, exposome and metabolic activity. There is interest in using metabolomics for personalized care leading...
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Development of Liquid Chromatography Mass Spectrometry Methods for the Identification and Quantification of Acylcarnitines in Biological Samples
DownloadFall 2012
The field of metabolomics follows the Greek premise where metabolic changes are believed to be indicative of disease. Acylcarnitines, for example, can be dysregulated in the presence of various diseases including genetic metabolic disorders and multiple sclerosis. Liquid chromatography mass...