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- 24Chemistry
- 23Organic compounds. Synthesis.
- 22Metabolomics
- 21Capillary electrophoresis.
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Development and Application of Protected Amino Acids for the Installation of Stable Post-translational Modifications Using Solid-Phase Peptide Synthesis
DownloadFall 2022
This thesis describes the synthesis of non-canonical amino acid building blocks and their use in solid-phase peptide synthesis (SPPS) to explore peptidic drug analogues based on natural products. We replaced sensitive functionalities found in the structure of naturally produced peptides with...
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Development and Applications of Chemical Isotope Labeling Methods for Metabolome Sample Normalization and Liquid Chromatography-Mass Spectrometry-Based Metabolomics
DownloadFall 2015
Metabolomics refers to the global study of the metabolome of a biological system where comprehensive and systematic profiling of all metabolites in a given biological sample (i.e., the metabolome) is performed. As the end product of biological processes, the status of metabolites could reflect...
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Development and Applications of Mass Spectrometric Methods for Proteome Analysis and Protein Sequence Characterization
DownloadFall 2013
Mass spectrometry (MS) is widely used in proteomic work for protein identification and characterization. A key to the success of MS for protein analysis is related to sample preparation. Current sample preparation methods do not meet all the needs of protein or proteome analysis. My thesis work...
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Development and Applications of Quantitative Mass Spectrometric Methods for Proteome and Protein Analysis
DownloadSpring 2013
Quantitative proteomics has been increasingly recognized as a key research topic in proteomics research, as it enumerates changes of proteins’ expression level in a bio-system. Quantitative proteomics provides an important way to discover biomarkers for disease diagnosis and prognosis, and also...
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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...