Sökning: "Reaction Center"

Visar resultat 16 - 20 av 106 avhandlingar innehållade orden Reaction Center.

  1. 16. Functions of REP27 and the low molecular weight proteins PsbX and PsbW in repair and assembly of photosystem II

    Författare :Jose Gines Garcia Cerdan; Wolfgang Schröder; Eva-Mari Aro; Umeå universitet; []
    Nyckelord :Photosynthesis; photosystem II reaction center; PSII-LHCII supercomplex; antisense plant; T-DNA knockout plant; auxiliary protein; Biochemistry; biokemi;

    Sammanfattning :     Oxygenic photosynthesis is the major producer of both oxygen and organic compounds on earth and takes place in plants, green algae and cyanobacteria. The thylakoid membranes are the site of the photosynthetic light reactions that involve the concerted action of four major protein complexes known as photosystem II (PSII), cytochrome b6f complex, ATP synthase and photosystem I (PSI). LÄS MER

  3. 17. Genomic and Molecular Aspects of Mature Human B Cells

    Författare :Carl-Magnus Högerkorp; Institutionen för immunteknologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; transplantation; Human; B-cell; Germinal center; Centroblast; serology; Immunology; onkologi; cancer; Cytologi; cancerology; oncology; Microarray; Cytology; Mantel cell lymphoma; Immunologi; serologi; Centrocyte;

    Sammanfattning : This thesis covers aspects of the mature human B cell and its different guises on its way to become a fully differentiated antibody forming plasma cell (AFC), the key player in the humoral immune system. The understanding of the complex molecular mechanisms taking place in the B cell, as it first encounters antigen, enters the germinal center (GC) reaction, giving rise to memory cells and plasma cells, is not only of importance for the curious scientist, but will also benefit the understanding of B cells in disease. LÄS MER

  4. 18. Chronic lateral instability of the ankle joint : natural course, pathophysiology and steroradiographic evaluation of conservative and surgical treatment

    Författare :Richard Löfvenberg; Per Renström; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Ankle-Joint-Instability; Kinematics; Ligament; Osteoarthritis; Orthosis; Proprioception; Radiology; Reaction time; Stereo-Photogrammetry; Subtalar; Surgery;

    Sammanfattning : Chronic lateral instability of the ankle (CLI), defined as frequent sprains and recurrent giving way, difficulty in walking and running on uneven surface, is often connected with pain and swollen ankles. It occurs in 10 to 20 percent after acute ankle injuries. LÄS MER

  5. 19. Mechanistic studies of the adjuvant effects of CTA1-DD and the native cholera toxin: Impact of cell targeting and tissue localization

    Författare :Johan Mattsson; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Vaccines; adjuvants; cholera toxin; germinal center; CTA1-DD; follicular dendritic cells; denritic cells; Th1; Th2; Th17; complement;

    Sammanfattning : Vaccines are the most effective means of preventing infectious diseases and improving global health. However, few vaccines have successfully been developed for protection at mucosal surfaces where most pathogens gain access. LÄS MER

  7. 20. Numerical modelling of ENAs from stellar wind interactions

    Författare :Andreas Ekenbäck; Mats Holmström; Michael R. Collier; Institutet för rymdfysik (IRF); []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Space physics; Space technology; Astrophysics; Space engineering; Rymdteknik;

    Sammanfattning : Energetic neutral atoms (ENAs) are produced whenever a stellar wind encounters a neutral atmosphere. If a stellar wind proton comes sufficiently close to a neutral a charge-exchange reaction may take place, transforming the proton into an ENA. LÄS MER