Search for dissertations about: "cofactor regeneration"

Found 5 swedish dissertations containing the words cofactor regeneration.

  2. 1. Microbial production of 3-hydroxypropionic acid and poly(3-hydroxypropionate): Investigation of Lactobacillus reuteri propanediol utilization pathway enzymes

    Author : Ramin Sabet Azad; Bioteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Platform chemicals; biopolymers; 3-hydroxypropionic acid; 3-hydroxypropionaldehyde; glycerol; poly 3-hydroxypropionate ; polyhydroxyalkanoates; Escherichia coli; Lactobacillus reuteri; propanediol utilization pathway; propionaldehyde dehydrogenase; biotransformation; cofactor regeneration; NADH oxidase;

    Abstract : Concerns regarding environmental issues such as greenhouse gas emissions and climate change have led to a shift within the research community and chemical and energy industry sectors for finding sustainable routes for producing fuels and chemicals from renewable resources, thereby minimizing our dependence on petroleum. The C3-chemical 3-hydroxypropionic acid has been identifed as a top candidate for the biobased chemical industry. READ MORE

  4. 2. Regeneration of the antioxidant ubiquinol by flavoenzymes and the role of antioxidant defence in experimental hepatocarcinogenesis

    Author : Ling Xia; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : In the environment, to which we have adapted and thrive, we are constantly exposed to reactive molecules with the potential to cause intracellular damage and cellular malfunction. One of the molecules that is transformed to very reactive free radicals is oxygen that can give rise to a variety of reactive oxygen species formed in close vicinity to sensitive structures in different compartments of the cell. READ MORE

  5. 3. Biocatalysed redox reactions - Possibilities and limitations

    Author : Fabian Rundbäck; Bioteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : The use of enzymes for synthetic applications is an area of increasing interest. Enzymes have been pointed out to be an environmentally friendly alternative to existing chemical methods, as well as making completely new synthetic routes possible. READ MORE

  6. 4. Improving initial xylose metabolism in recombinant Saccharomyces cerevisiae

    Author : Márk Gárdonyi; Teknisk mikrobiologi; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Biokemisk teknik; Biochemical technology; xylose isomerase; xylose transport; xylose fermentation; Saccharomyces cerevisiae; metabolic engineering;

    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

  7. 5. Ionic modulators of stem cell state

    Author : Anna Omelyanenko; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Tissue generation during development and maintenance throughout life relies on the proliferation and sequential specification of a group of cells. Stem cells are defined by the properties of self-renewal (division to produce daughter cells equipotent to the mother) and differentiation (division where at least one daughter is of a more restricted potential). READ MORE