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Full-Text Articles in Physical Sciences and Mathematics
Separation, Detection, And Quantitation Of Underivatized Carbohydrates Using Liquid Chromatography- Electrospray Ionization-Triple Quadrupole- Tandem Mass Spectrometry, Jonathan B. Thacker
Separation, Detection, And Quantitation Of Underivatized Carbohydrates Using Liquid Chromatography- Electrospray Ionization-Triple Quadrupole- Tandem Mass Spectrometry, Jonathan B. Thacker
Chemistry & Biochemistry Dissertations
Carbohydrate analysis has many important implications in health, consumer products, and industrial processes. Among many possible analytical techniques for their analysis, mass spectrometry (MS) is an attractive approach, offering high sensitivity and specificity. In particular, electrospray ionization (ESI)-MS affords several advantages over other ionization techniques: the ability for direct coupling with upstream chemical separation techniques, its suitability for quantitation, and its compatibility with relatively inexpensive quadrupole mass analyzers for the analysis of high molecular weight compounds. However, the sensitivity of ESI-MS towards carbohydrates tends to be much less than for other classes of compounds, such as peptides. This is due …
Catalytic Conversion Of Monosaccharides Into 5-(Hydroxymethyl)Furfural In Ionic Liquids Using Aluminum Complexes Bearing Bidentate (Aminomethyl)Phenolate Ligands, Daudi Sayialel Saang'onyo
Catalytic Conversion Of Monosaccharides Into 5-(Hydroxymethyl)Furfural In Ionic Liquids Using Aluminum Complexes Bearing Bidentate (Aminomethyl)Phenolate Ligands, Daudi Sayialel Saang'onyo
Theses and Dissertations--Chemistry
Currently, the major sources of fuel, energy, and chemicals are nonrenewable fossil resources such as petroleum, natural gas, and coal. Additionally, petroleum is used for the production of most transportation fuels and for the production of about 95% of organic chemicals. However, the production and use of non-renewable fossil fuels are unsustainable. For economic and environmental sustainability, there is a need to search for new and/or renewable resources and technologies for energy, fuels, and chemicals production that have the potential of effectively substituting fossil resources. In this context, lignocellulosic biomass is one of the candidates that meet these requirements due …