Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Multistage mass spectrometry"”.
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The Photodegradation of Diazepam and its Human Metabolites in Water
… (HPLC) separation with electrospray ionisation multistage mass spectrometry (ESI-MS") detection. Results demonstrated that whilst the compounds were hydrolytically stable in aqueous solutions, photolysis significantly reduced the concentration of diazepam and its metabolites in aqueous …
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Characterisation of Algal Derived Organic Nitrogen
… when analysed via liquid chromatography/ mass spectrometry (LC/MS). A method was developed for the characterisation of low molecular weight peptides, released either actively or passively from the axenically-cultured phytoplankton Phaeodactylum tricornutum. Methods for the separation (high …
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Naphthenic Acids: Synthesis, Characterisation and Factors Influendng Environmental Fate
… The metabolites were tentatively identified by mass spectrometry as the ethanoic acid analogues of the butanoic acids. These resisted further biodegradation. That biodegradation proceeded via β-oxidation was confirmed by the synthesis and subsequent biodegradation additional methyl branch in the …
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Development of analytical methodology based on chromatographic and mass spectrometric techniques for the characterization and fingerprinting of bioactive compounds of Crocus sativus L.
… methodology based on chromatographic and mass spectrometric techniques for the determination and fingerprinting of bioactive compounds derived from Crocus sativus L. and also their interaction with biomolecules, with the aim to investigate their role in human health. The main bioactive …