Search for dissertations about: "cellular"

Showing result 1 - 5 of 3532 swedish dissertations containing the word cellular.

  2. 1. Immune defense reactions in freshwater crayfish : Cellular components

    Author : Charlotta Ekblom; Irene Söderhäll; Kallaya Sritunyalucksana-Dangtip; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; crustaceans; hemocytes; immunity; crayfish; proteomics; transcriptomics; Biology with specialization in Comparative Physiology; Biologi med inriktning mot jämförande fysiologi;

    Abstract : The freshwater signal crayfish, Pacifastacus leniusculus, is a well-established model for studying the immune system of invertebrates. Many important discoveries have been made in this species, among others related to the clotting reaction, hematopoiesis, the prophenoloxidase activating system, the functions of crustacean immune cells, and pathogen recognition. READ MORE

  4. 2. Navigating the Cellular Crowd : Physicochemical Properties of Protein Surfaces as Evolved Interaction Guides

    Author : Eloy Vallina Estrada; Mikael Oliveberg; Erik Lindahl; Gideon Schreiber; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; protein interactions; inteins; physicochemical properties; protein surfaces; evolution; cellular crowding; electrostatics; Biophysics; biofysik;

    Abstract : The cellular interior is characterised by high concentrations of macromolecules. Compared with dilute conditions, the crowd modifies proteins' ability to fold, diffuse and, ultimately, carry out their biological functions. Cellular fitness depends on ensuring an adequate balance between interactivity and diffusivity. READ MORE

  5. 3. Asymmetric Cellular Microenvironments

    Author : Susanna Rydholm; Hjalmar Brismar; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physics; Fysik;

    Abstract : This thesis presents methods to combine 3D cell culture, microfluidics and gradients on a controlled cellular scale. 3D cultures in biological extracellular matrix gels or synthetic gels bridge the gap between organ-tissue cultures and traditional 2D cultures. READ MORE

  6. 4. Multiantenna Cellular Communications : Channel Estimation, Feedback, and Resource Allocation

    Author : Emil Björnson; Björn Ottersten; Mats Bengtsson; Marios Kountouris; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; channel estimation; limited feedback; multicell communications; resource allocation;

    Abstract : The use of multiple antennas at base stations and user devices is a key component in the design of cellular communication systems that can meet the capacity demands of tomorrow. The downlink transmission from base stations to users is particularly limiting, both from a theoretical and a practical perspective, since user devices should be simple and power-efficient, and because many applications primarily create downlink traffic (e. READ MORE

  7. 5. Exploring Cellular Dynamics : From Vesicle Tethering to Cell Migration

    Author : Parham Ashrafzadeh; Johan Kreuger; Jonas Fuxe; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; angiogenesis; cancer; cell migration; exocyst complex; exocytosis; FGD5; lipid rafts; plasma membrane; receptor trafficking; VEGFR2;

    Abstract : Cells in the body communicate with each other in order to cooperate efficiently. This communication is in part achieved by regulated secretion of signaling molecules, which when released from a cell may activate receptors present at the plasma membrane of an adjacent cell. Such signals affect both cell fate and behavior. READ MORE