Avancerad sökning

Hittade 4 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Cellular transport and secretion of the cyanobacterial neurotoxin BMAA into milk and egg : Implications for developmental neurotoxicity

    Författare :Marie Andersson; Ingvar Brandt; Cynthia de Wit; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; BMAA; beta-N-methylamino-L-alanine; milk; secretion; amino acid transporter; autoradiography; metabolism; Biologi med inriktning mot ekotoxikologi; Biology with specialization in Environmental Toxicology;

    Sammanfattning : The cyanobacterial amino acid β-N-methylamino-L-alanine (BMAA) is a neurotoxin implicated in the etiology of neurodegenerative diseases. Cyanobacteria are cosmopolitan organisms present in various environments. LÄS MER

  2. 2. Measuring occupational dust exposure with a passive sampler

    Författare :Mariam Shirdel; Ingvar Bergdahl; Britt Andersson; Håkan Wingfors; Christer Johansson; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; dust particles; mineral; PM10; PM2.5; respirable fraction; UNC passive aerosol sampler; working environment;

    Sammanfattning : Objectives: In a working environment it is important to measure dust exposure to evaluate possible health issues. Passive sampling could be an alternative to active sampling with pumps when measuring occupational dust exposure. One passive sampler is the University of North Carolina passive aerosol sampler (UNC sampler). LÄS MER

  3. 3. Interval cancers, positive predictive value for malignance and other early quality indicators in mammographic screening for breast cancer

    Författare :Bedrich Vitak; Ingvar Andersson; Linköpings universitet; []
    Nyckelord :Mammography; Breast neoplasm; Breast cancer screening; Interval breast cancer; Metastasis; Mortality; MEDICINE; MEDICIN;

    Sammanfattning : The study was designed to evaluate early quality indicators in screening for breast cancer. lt comprised, (i) investigations of compliance, recall, referral, cancer detection, and interval cancer rates in the Östergötland screening programme of women aged 40-74 years; (ii) evaluation of the three-stage diagnostic procedure for pre-operative assessment of women with suspicious mammographic findings; (iii) comprehensive analysis of all invasive interval cancers detected; and (iv) investigation into how to reduce the number of interval cancers without a concomitant increase in false positives. LÄS MER

  4. 4. Sagans svenskar : Synen på vikingatiden och de isländska sagorna under 300 år

    Författare :Anna Wallette; Historia; []
    Nyckelord :HUMANIORA; HUMANITIES; view of history; Olof Rudbeck; Jerker Rosén; national identity; Sven Lagerbring; Icelandic Sagas; history writing; History-culture; Carl Grimberg; Erik Gustaf Geijer; Ingvar Andersson; Olof von Dalin; History; Historia;

    Sammanfattning : “The Swedes of the Sagas. A Historiographical Study of the Old Norse Sagas and the Construction of the Viking Age.” This thesis is related to the construction of collective identities, and the search for a common ancestry. LÄS MER