Search for dissertations about: "Lichen"

Showing result 21 - 25 of 68 swedish dissertations containing the word Lichen.

  2. 21. A multidisciplinary study of patients with signs or symptoms attributed to dental restorative materials

    Author : Lena Mårell; Anders Berglund; Jan Bergdahl; Berndt Stenberg; Nils-Roar Gjerdet; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Dental restorative materials; environmental intolerance; oral lichen; personality; self-image; psychological symptoms; odontologi; Odontology;

    Abstract : Anxiety for adverse health effects attributed to dental restorative materials especially dentalamalgam, have been discussed extensively off and on the last 30 years. The possible health effect ofamalgam and health effect of replacements of amalgam, have been extensively studied but theresults are inconclusive and the etiology of the reactions are not entirely elucidated. READ MORE

  4. 22. Bark lesions and sensitivity to frost in beech and Norway spruce

    Author : Anna Maria Jönsson; Institutionen för naturgeografi och ekosystemvetenskap; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Picea abies; Multiple stress; Mineral nutrient balance; Liming; Lichen indices; Fagus sylvatica; Cryptococcus fagisuga; Excess nitrogen; Vitality fertilization; Plant ecology; Växtekologi;

    Abstract : Strong temperature fluctuations and pathogen attacks can cause bark lesions, visible signs of wounds in the phloem and cambium. Pathogenic insects and fungi are able to invade lesions that have not healed, further increasing the damage. READ MORE

  5. 23. Hidden complexity of lichen symbiosis : insights into functionality, reproduction and composition

    Author : Veera Tuovinen; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Lichens are tremendously diverse physical outcomes of symbiotic relationships involving fungi, algae and bacteria. This thesis aims to give insight into the functionality, composition and reproduction of lichens from the fungal perspective. READ MORE

  6. 24. Managing reindeer lichen during forest regeneration procedures : linking Sámi herders' knowledge and forestry

    Author : Samuel Roturier; Samuel Roturier; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : .... READ MORE

  7. 25. Studies of p63 and p63 related proteins in patients diagnosed with oral lichen planus

    Author : Majid Ebrahimi; Karin Nylander; Isaac Van der waal; Umeå universitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Pathology; Patologi;

    Abstract : Oral lichen planus (OLP) is a chronic inflammatory disease of the oral mucosa and also one of the more common mucosal conditions mostly affecting middle aged individuals. Even though OLP is well investigated the etiology of this disease is still unknown, even if autoimmunity as a possible etiologic factor has been suggested. READ MORE