Synthesis & retention mechanisms of novel mixed mode stationary phase for detection of specific polar low molecular weight biological samples
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Date
2013
Authors
Browne, Damian
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Publisher
University College Cork
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Abstract
The thesis primarily reports the synthesis, characterization and application of novel mixed mode stationary phases for Hydrophilic Interaction Liquid Chromatography (HILIC). HILIC is a rapidly emerging chromatographic mode that is finding great applicability in the analysis of polar organic molecules. In addition, there is a chapter on the analysis of Bisphenol A and related species using capillary electrophoresis (CE) coupled with boron-doped diamond electrodes for electrochemical detection. The synthesis and characterization of the novel mixed mode stationary phases prepared in this work is an important contribution to the field as the materials prepared exhibited better performance than similar materials obtained commercially. In addition a more thorough characterization of the materials (e.g.,thermogravimetric analysis, various NMR modes, elemental analysis, etc.) and resulting columns (e.g., H) than is typically encountered. The application of these new materials to the analysis of sugars using evaporative light scattering is also novel. In CE studies, electrochemical detection is sufficiently rare that the work is also novel.
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Keywords
Chromatography , Stationary phase , Zwitterionic
Citation
Browne, D. 2013. Synthesis & retention mechanisms of novel mixed mode stationary phase for detection of specific polar low molecular weight biological samples. PhD Thesis, University College Cork.