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Articles 1 - 3 of 3
Full-Text Articles in Physical Sciences and Mathematics
Development Of Direct Analysis In Real Time-High Resolution Mass Spectrometry (Dart-Hrms) And Statistical Analysis Tools For The Identification And Classification Of Psychoactive Plant Drugs, Ashton Danielle Lesiak
Development Of Direct Analysis In Real Time-High Resolution Mass Spectrometry (Dart-Hrms) And Statistical Analysis Tools For The Identification And Classification Of Psychoactive Plant Drugs, Ashton Danielle Lesiak
Legacy Theses & Dissertations (2009 - 2024)
In current forensic testing, a new pattern is emerging where the drugs that are submitted to crime labs for analysis are no longer restricted to well-characterized substances such as cocaine, heroin and tetrahydrocannabinol (THC). The appearance of new psychoactive substances (NPS) in forensic laboratories, including synthetic alternatives to scheduled substances and plant-based psychotropics, has highlighted issues that traditional analytical methods such as gas chromatography- and liquid chromatography-mass spectrometry impose in the characterization of these samples. These can include lengthy extractions, derivatization steps, pH adjustments and/or a host of other procedures. Since the creation of legislation to address the use of …
The Use Of Ion Mobility Spectrometry-Mass Spectrometry For The Structural Elucidation Of Progressively Larger Nucleic Acids, Jennifer Lynn Lippens
The Use Of Ion Mobility Spectrometry-Mass Spectrometry For The Structural Elucidation Of Progressively Larger Nucleic Acids, Jennifer Lynn Lippens
Legacy Theses & Dissertations (2009 - 2024)
The biomedical community and pharmaceutical industry have come to rely in ever
The Chemistry Of New Garlic-Derived Organosulfur Compounds And The Molecular Basis Of Olfaction, Berenice Dethier
The Chemistry Of New Garlic-Derived Organosulfur Compounds And The Molecular Basis Of Olfaction, Berenice Dethier
Legacy Theses & Dissertations (2009 - 2024)
Garlic is a very popular condiment that has been used around the world for centuries. It is also a source of a remarkably extensive range of organosulfur compounds, whose chemistry is the focus of this thesis. The central reaction in formation of these compounds is the enzymatic cleavage of alk(en)yl cysteine sulfoxides by alliinases, which leads to sulfenic acids. The latter can then undergo condensation and rearrangement into various organosulfur compounds. Three aspects of the chemistry of garlic have been investigated in this thesis.