Search for dissertations about: "Lund model"

Showing result 1 - 5 of 654 swedish dissertations containing the words Lund model.

  2. 1. Regulation of gene and protein expression : two model systems

    Author : Lars H Lund; Karolinska Institutet; Karolinska Institutet; []
    Keywords : HIV-1; EIAV; Tat; TAR; Cyclin T1; CDK9; P-TEFb; RNA polymerase II; gene regulation; transcriptional elongation; CEA; signal sequence.;

    Abstract : Genetic information is expressed by DNA transcription and mRNA translation. With few exceptions, every cell of an organism, or the human body, contains the same genetic information. Yet the structure and function of different tissues are highly variable. READ MORE

  4. 2. Mineralogical, chemical and textural characterisation of the Malmberget iron ore deposit for a geometallurgical model

    Author : Cecilia Lund; Terje Malvik; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Malmgeologi; Ore Geology;

    Abstract : The northern Norrbotten ore province is an intensely mineralised area and has traditionally been a very important mining district. It contains Fe, Cu-Au, Au, and Ag deposits ranging from world-class ore deposits to small and uneconomic ones (Martinsson 2004). The most important are the Kiruna and Malmberget iron ores and the Aitik Cu-Au deposit. READ MORE

  5. 3. Radioluminescence : A simple model for fluorescent layers

    Author : Jan Lindström; Eva Lund; Michael Sandborg; Gudrun Alm-Carlsson; Linköpings universitet; []
    Keywords : Extrinsic efficiency; extinction factor; radioluminescence; modelling; Monte Carlo; optical attenuation; optimisation; particle size; phosphor; scintillator; MEDICINE; MEDICIN;

    Abstract : The aim of this thesis is to present a simple model for the radiation to light conversion processes in fluorescent layers as an aid in future developments and applications. Optimisation between sensitivity and spatial resolution for fluorescent layers in digital radiology is a delicate task where the extrinsic efficiency for various phosphors needs to be established for varying parameters. READ MORE

  6. 4. Radioluminescence : A simple model for fluorescent layers - analysis and applications

    Author : Jan Lindström; Åsa Carlsson Tedgren; Eva Lund; Michael Sandborg; Ioannis Kandarakis; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Abstract : A phosphor or scintillator is a material that will emit visible light when struck by ionising radiation. In the early days of diagnostic radiology, it was discovered that the radiation dose needed to get an image on a film, could be greatly reduced by inserting a fluorescent layer of a phosphor in direct contact with the film. READ MORE

  7. 5. Electrostatic Interactions In and Between Biomolecules

    Author : Mikael Lund; Beräkningskemi; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Theoretical chemistry; quantum chemistry; Fysikalisk kemi; Physical chemistry; Protein-protein interactions; Molecular modelling; Proton binding; Protein electrostatics; Monte Carlo simulation; Charge regulation; Teoretisk kemi; kvantkemi;

    Abstract : Electrostatic interactions in bio-molecular systems are important not only in the living cell but also in more technical applications. Using molecular simulation as well as approximate theories the properties of a number of aqueous protein solutions have been studied. READ MORE