Search for dissertations about: "Martin Lidén"

Found 3 swedish dissertations containing the words Martin Lidén.

  1. 1. Molecular aspects of retinol uptake and activation

    Author : Martin Lidén; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Retinoids (vitamin A derivatives) are essential for a wide variety of physiological processes, including embryonic development, growth, vision, reproduction, and maintenance of various epithelia and the immune system. 11-Cis-retinal serves as the chromophore of the visual pigments in the retina, whereas the hormonal retinoids, all-trans and 9-cis retinoic acid (RA), regulate the non-visual functions via activation of nuclear retinoid receptors (RARs and RXRs). READ MORE

  2. 2. Towards concurrent planning of railway maintenance and train services

    Author : Tomas Lidén; Jan Lundgren; Martin Joborn; Ann-Brith Strömberg; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Efficiency in the public and freight transportation systems is of crucial importance for a society. Railways can offer high capacity and relatively low environmental impact, but require that several technical systems are tuned and operate well. READ MORE

  3. 3. Concurrent planning of railway maintenance windows and train services

    Author : Tomas Lidén; Jan Lundgren; Martin Joborn; Dennis Huisman; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Efficiency in public and freight transportation systems is of great importance for a society. Railways can other high capacity and relatively low environmental impact, but require that several technical systems are tuned and operate well. Specifically there is a tight interdependency between infrastructure and trains. READ MORE