Search for dissertations about: "Biological membranes"

Showing result 1 - 5 of 313 swedish dissertations containing the words Biological membranes.

  1. 1. Proton transfer across and along biological membranes

    University dissertation from Stockholm : Department of Biochemistry and Biophysics, Stockholm University

    Author : Johan Berg; Peter Brzezinski; Artur Osyczka; [2020]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; biological membranes; cardiolipin; cytochrome bo3; cytochrome c oxidase; energy conversion; fluorescence correlation spectroscopy FCS ; localized coupling; mitochondria; proton transfer; Rcf1; respiration; single-enzyme measurement; biokemi; Biochemistry;

    Abstract : Proton-transfer reactions belong to the most prevalent reactions in the biosphere and make life on Earth possible, as they are central to energy conversion. In most known organisms, protons are translocated from one side of a membrane to the other, which generates an electrochemical gradient that drives ATP synthesis. READ MORE

  2. 2. Biomimetic Membranes: Molecular Structure and Stability Studies by Vibrational Sum Frequency Spectroscopy

    University dissertation from Stockholm : KTH

    Author : Jonathan F.D. Liljeblad; KTH.; [2010]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Vibrational Sum Frequency Spectroscopy VSFS ; Langmuir monolayer; LB depositon; phospholipids; oxidation; biomimetic membranes; NATURAL SCIENCES Chemistry Physical chemistry Surface and colloid chemistry; NATURVETENSKAP Kemi Fysikalisk kemi Yt- och kolloidkemi;

    Abstract : In the research presented in this licentiate thesis the surface specific technique Vibrational Sum Frequency Spectroscopy, VSFS, combined with the Langmuir trough has been utilized to investigate Langmuir monolayers and Langmuir-Blodgett (LB) deposited mono- and bilayers of phospholipids. Their molecular structure, stability, and hydration were probed to gain additional understanding of important properties aiming at facilitating the use of such layers as model systems for biological membranes. READ MORE

  3. 3. Stochastic modelling and analysis of early mouse development

    University dissertation from Göteborg : Chalmers University of Technology

    Author : Sofia Tapani; Göteborgs universitet.; Gothenburg University.; Göteborgs universitet.; Gothenburg University.; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; correlation; CUSUM; mouse; non-stationarity; pronucleus; stochastic differential equation; time series; wavelet decomposition; yeast;

    Abstract : The aim of this thesis is to model and describe dynamical events for biologicalcells using statistical and mathematical tools. The thesis includes five papersthat all relate to stochastic modelling of cells. READ MORE

  4. 4. Thylakoid Membranes and Pancreatic Lipase/Colipase

    University dissertation from Göteborg : Chalmers University of Technology

    Author : Sinan Cem Emek; [2010]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; CCK; Thylakoid Membranes; Colipse; Lipase;

    Abstract : Obesity is a major health problem in the world that increases the occurrence of type-2 diabetes and cardiovascular disease. The reason for obesity is a dysfunction in the regulation of energy balance. It has been shown that dietary fat induces satiety as long as this nutrient stays in the intestine. READ MORE

  5. 5. The plant respiratory chain: Redox responses and catalytic definition of alternative pathways

    University dissertation from Lund University Department of Cell and Organism Biology Sölvegatan 35B SE-223 62 Lund

    Author : Daniela Geisler; [2007]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; enzymology; Proteins; Kärlväxters fysiologi; Physiology of vascular plants; Växtekologi; Plant ecology; Växtbiokemi; Plant biochemistry; respiratory chain; plant mitochondria; nitrogen; NADPH dehydrogenase; NADH dehydrogenase; alternative oxidase; calcium; Proteiner; enzymologi; Bioenergetics; Bioenergetik; Lipids; steroids; membranes; Lipider; steroider; mebran;

    Abstract : The respiratory chain of plants contains both proton-pumping enzymes that conserve energy and non-proton-pumping alternative enzymes that bypass the sites of energy conservation. In addition to the proton-pumping complex I, plant mitochondria contain alternative type II NAD(P)H dehydrogenases, which allow oxidation of NADH and NADPH from the matrix and the cytosol. READ MORE