Sökning: "chronic toxicity"

Visar resultat 21 - 25 av 64 avhandlingar innehållade orden chronic toxicity.

  1. 21. Enteric Helicobacter and H. pylori in chronic inflammation and cancer of the hepatobiliary tract and pancreas

    Författare :Hans-Olof Nilsson; Avdelningen för medicinsk mikrobiologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Mikrobiologi; mykologi; virology; bacteriology; Microbiology; hepatocellular cancer; Helicobacter; PCR-denaturing gradient gel electrophoresis; oncology; cancerology; Cytologi; onkologi; cancer; mycology; bakteriologi; virologi; Cytology;

    Sammanfattning : The Helicobacter genus now consists of at least 26 species, with additional novel species in the process of being validated. Beyond the impact of H. LÄS MER

  3. 22. Prevention of liver cancer in chronic liver disease : an experimental study of sodium selenite and rat hepatocarcinogenesis

    Författare :Suvd Erkhembayar; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Selenium treatment in supranutritional but subtoxic doses has previously been shown to inhibit cell proliferation in preneoplastic lesions in a rat liver carcinogenesis model. The mechanisms are not known, but thioredoxin reductase (TrxR1), a seleno-enzyme essential for maintaining intracellular redox status and cellular defence against oxidative stress might be involved. LÄS MER

  4. 23. Exploring toxicity and fate of metal-based particles in the lung : from mechanistic screening to lung deposition modelling

    Författare :Sarah McCarrick; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : We are all exposed to small particles in the air that we breath and some of them will contain metals in a dose and form that may be harmful. In addition, the field of nanotechnology holds great promises, but an increased production of nanoparticles leads to a higher risk of exposure. LÄS MER

  5. 24. Occurrence and ecotoxicity of endocrine disruptor chemicals in aquatic environment and sewage treatment systems

    Författare :Andre Luis de Sa Salomao; Marcia Marques; Paulo Sergio Martins Carvalho; Linnéuniversitetet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Endocrine disruption; Alkali-labile phosphate; Estrogen hormones; Oreochromis niloticus; Unicellular green microalgae; Additive effect; Less-than additive effect; Chronic toxicity; Natural Science; Naturvetenskap;

    Sammanfattning : The applicability of one selected method for indirect measurement of vitellogenin (Vtg) in fish plasma based on the quantification of alkali-labile phosphates (ALP method) to assess estrogenicity in water was investigated. The ALP method applied in this investigation was originally developed with Carassius carassius (Crucian carps). LÄS MER

  7. 25. Stereotactic body radiotherapy in non-small cell lung cancer

    Författare :Pia Baumann; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Stereotactic body radiotherapy; non-small cell lung cancer; chronic obstructive pulmonary disease; cardiovascular disease; normal tissue complication probability; pneumonitis; local tumour control; overall survival;

    Sammanfattning : Patients with stage I non small cell lung cancer (NSCLC) are potentially curable. Eradication of the primary tumour is a prerequisite for cure with surgery as standard treatment. LÄS MER