Search for dissertations about: "Jan Nilsson"

Showing result 6 - 10 of 96 swedish dissertations containing the words Jan Nilsson.

  2. 6. Aldehyde toxicity in human oral epithelium

    Author : Jan Anders Nilsson; Karolinska Institutet; Karolinska Institutet; []
    Keywords : Oral epithelium; cell cultures; toxicity; transformation; aldehydes; thiols; ADH3;

    Abstract : Human oral epithelium is an established target for aldehyde toxicity, including from usage of tobacco, intake of foods and fluids, leaching of dental materials, and from mouth inhalation of aldehydes in the work environment. Following establishment of culture/exposure protocols for oral cell cultures, toxicity mechanisms and risk of malignant transformation from aldehyde exposure was investigated, including the metabolic defense offered by alcohol dehydrogenase 3 (ADH3) against formaldehyde toxicity. READ MORE

  4. 7. Experimental studies of components in the treatment for social anxiety disorder

    Author : Jan-Erik Nilsson; Institutionen för psykologi; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Abstract : Social anxiety disorder (social phobia) is a debilitating and common anxiety disorder, with a lifetime prevalence ranging from 6 % to 12 %. The condition has its onset in childhood and early adolescence, affects females more often than males, and if untreated is associated with high risk of developing comorbid anxiety and mood disorders, as well as substance abuse. READ MORE

  5. 8. Enzymes and electron transport in microbial chlorate respiration

    Author : Jan Bohlin; Thomas Nilsson; Lars-Gunnar Franzén; Karlstads universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ideonella dechloratans; c cytochromes; chlorate; chlorate reductase; chlorite dismutase; heterologous expression; heme reconstitution; electron transport; oxidoreductas; Chemistry; Kemi; Kemi; Chemistry;

    Abstract : Microbial chlorate respiration plays an important role in the turnover of oxochlorates in nature and industrial waste management. This thesis deals with the characterization of the molecular components of chlorate respiration in Ideonella dechloratans. READ MORE

  6. 9. Efficiency Implications of Innovations in Administering TransportInfrastructure

    Author : Jan-Eric Nilsson; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; nationalekonomi;

    Abstract : This dissertation is concerned with issues directly and indirectly associated with reform of the way that transport infrastructure is managed. It consists of four separate papers. The dissertation summary also provides a unified framework for the otherwise self-contained papers. In abstract, the papers have the following content. READ MORE

  7. 10. Differences and similarities in work absence behavior : - empirical evidence from micro data

    Author : Maria Nilsson; Mårten Palme; Jan Erik Askildsen; Växjö universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; moral hazard; gender difference; immigrants; panel data; count data models; fixed effects; finite mixture models; Economics; Nationalekonomi; Economics; Nationalekonomi;

    Abstract : This thesis consists of three self-contained essays about absenteeism. Essay I analyzes if the design of the insurance system affects work absence, i.e. the classic insurance problem of moral hazard. READ MORE