Sökning: "directed transport"

Visar resultat 1 - 5 av 94 avhandlingar innehållade orden directed transport.

  1. 1. Atomic transport in optical lattices

    Författare :Henning Hagman; Claude Dion; Daniel Comparat; Umeå universitet; []
    Nyckelord :Ultra-cold atoms; optical lattice; laser cooling; directed transport; Brownian motor; Brownian motion;

    Sammanfattning : This thesis includes both experimental and theoretical investigations of fluctuation-induced transport phenomena, presented in a series of nine papers, by studies of the dynamics of cold atoms in dissipative optical lattices. With standard laser cooling techniques about 108 cesium atoms are accumulated, cooled to a few μK, and transferred into a dissipative optical lattice. LÄS MER

  3. 2. Plastidial phosphate transport in plants

    Författare :Patrik Milton Karlsson; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Arabidopsis; phosphate transport; thylakoid membrane; root plastid; photosynthesis; leaf size; starch metabolism; homology modeling; site-directed mutagenesis;

    Sammanfattning : Phosphorus is an essential element for all living organisms and is central to the genetics and energetics of life. Inorganic phosphate (Pi) is recurrently involved in protein regulation and signal transduction but also in energy transfer as a component of the ATP-molecule. LÄS MER

  4. 3. Out and about in the welfare state : the right to transport in everyday life for people with disabilities in Swedish, Danish and Norwegian law

    Författare :Andreas Pettersson; Åsa Gunnarsson; Åsa Yttergren; Richard Sahlin; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Disability; transport; everyday life; disability law; social law; transport law; comparative law; welfare state; legal criteria; Law; juridik;

    Sammanfattning : The aim of this thesis is to identify how a social citizenship for people with disabilities is shaped bythe normative structures in the Swedish, Danish and Norwegian law governing their right to transportin everyday life. The thesis deals with three types of transport provided by the public to private individuals: transport services, car allowances, and cash benefits for reimbursing transport costs forpeople with disabilities. LÄS MER

  5. 4. Approaching transformative futures : Discourse and practice in Swedish national transport policy and planning

    Författare :Jacob Witzell; Karolina Isaksson; Maria Håkansson; Malin Henriksson; Raine Mäntysalo; KTH; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; transport planning; transport infrastructure; climate mitigation; transformation; planning practice; uncertainty; assessment; Urbana och regionala studier; Urban and Regional Studies;

    Sammanfattning : This thesis concerns the need to transform the transport system to meet climate mitigation objectives. It provides insights into how specific approaches and practices in transport policy and planning affect prospects for transformation. LÄS MER

  7. 5. Mechanisms of transendothelial and tissue transport in the peritoneum. Experimental studies on rat

    Författare :Bert-Inge Rosengren; Njurmedicin; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; nefrologi; Urologi; hyaluronan; interstitium; blood flow; rat; pore; inhibition; temperature; peritoneal dialysis; permeability; capillary; protein; passive; active; transport; transcytosis; vesicle; Urology; nephrology; small solute;

    Sammanfattning : In the present thesis, the quantitative role of active transport (transcytosis) in bulk transvascular protein movement in vivo was evaluated. Using chemical transcytosis inhibition (N-ethylmaleimide (NEM) and filipin), we were able to show that NEM actually increases endothelial permeability to macromolecules, probably as a result of unspecific toxic action on endothelial cells. LÄS MER