Search for dissertations about: "Biokemisk teknik"
Showing result 6 - 10 of 64 swedish dissertations containing the words Biokemisk teknik.
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6. Improving initial xylose metabolism in recombinant Saccharomyces cerevisiae
Abstract : The aim of the thesis is to improve the initial steps of xylose metabolism in recombinant Saccharomyces cerevisiae. S. cerevisiae takes up xylose of poor affinity by means of hexose transporters. Metabolic control analysis was used to investigate whether the low xylose utilisation rate is due to inefficient transport. READ MORE
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7. Beta-Glycosidases from Hyperthermophiles as Biocatalysts
Abstract : The thesis concerns glycosyl transfer with use of b-glycosidases, most of them from hyperthermophilic organisms. Both optimisation of the reaction conditions and protein engineering in terms of site-directed mutagenesis were used to improve b-glycosidase-catalysed reactions. READ MORE
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8. An alkaline active maltooligosaccharide forming alpha-amylase from Bacillus halodurans
Abstract : The East African Rift Valley contains a number of soda lakes, which represent some of the most stable, naturally occurring alkaline environments on earth. Alkaliphilic microorganisms found in these habitats have attracted a great interest due to their ability to produce extracellular enzymes that are active and stable at high pH values for industrial applications. READ MORE
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9. Modelling Chemical Weathering in Different Scales
Abstract : Chemical weathering is one of the most important processes supporting life on Earth. Chemical weathering continuously contributes macronutrients and micronutrients to the soil solution. These recycling, essential elements are used as building blocks for all organic living matter. READ MORE
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10. Engineering xylose and arabinose metabolism in recombinant Saccharomyces cerevisiae
Abstract : Utilization of all sugars in lignocellulose hydrolysates is a prerequisite for economically feasible bioethanol production. The yeast commonly used for industrial ethanol production, Saccharomyces cerevisiae, is naturally unable to utilize pentose sugars xylose and arabinose, which constitute a large fraction of many lignocellulosic materials. READ MORE