Sökning: "A Olsen"

Visar resultat 1 - 5 av 96 avhandlingar innehållade orden A Olsen.

  1. 1. A world inside : Gastrointestinal microbiota in healthy Swedish children at day care centers and aspects on antibiotic resistance, enteric pathogens and transmission

    Författare :Johan Kaarme; Tryggve Nevéus; Björn Olsen; Jonas Ludvigsson; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ESBL; VRE; enteropathogens; antibiotic resistance; children; preschool; Pediatrik; Pediatrics;

    Sammanfattning : Antibiotic resistance is a growing threat to human health and is defined by the World Health Organization as a crisis that must be managed with the utmost urgency. Antibiotic resistant bacteria increase both mortality and morbidity and have a great impact on the global economy. LÄS MER

  2. 2. A Gill Filament EROD Assay : Development and Application in Environmental Monitoring

    Författare :Maria Jönsson; Ingvar Brandt; Björn Brunström; Kristian Ingebrigtsen; Håkan Olsén; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biology; aquatic; benzo[a]pyrene; biomarker; CYP1A; environmental monitoring; EROD; fish; gill; indigo; PCB; Biologi; Biology; Biologi;

    Sammanfattning : A gill filament-based assay for the cytochrome P450 1A (CYP1A)-catalysed activity ethoxyresorufin O-deethylase (EROD) was developed in rainbow trout (Oncorhynchus mykiss) and applied to Atlantic salmon (Salmo salar), Arctic charr (Salvelinus alpinus), Atlantic cod (Gadus morhua), saithe (Pollachius virens), and spotted wolffish (Anarhichas minor). Exposure to waterborne β-naphthoflavone (βNF; 10-6 M) induced branchial EROD activity in all species but the spotted wolffish. LÄS MER

  3. 3. Influenza A virus in wild birds

    Författare :Anders Wallensten; Björn Olsen; Lennart Svensson; Åke Lundkvist; Mikael Berg; Linköpings universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Influenza A virus; Wild Birds; Ducks; Prevalence; Ecology; Virology; Virologi;

    Sammanfattning : Influenza virus is a RNA virus that exists as different types and subtypes. Influenza A virus strains are known to cause disease in several bird and mammalian species. Wild birds are believed to constitute the natural reservoir for influenza A virus. LÄS MER

  4. 4. Federico Barocci : a critical study in Italian cinquecento painting

    Författare :Harald Olsen; Uppsala universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Art; Konstvetenskap;

    Sammanfattning : .... LÄS MER

  5. 5. Automatic Verification of Petri Netsin a CLP framework

    Författare :Hans Olsén; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : This thesis presents an approach to automatic verification of Petri Nets. The method is formulated in a CLP framework and the class of systems we consider is characterized syntactically as a special class of Constraint Logic Programs. The state space of the system in question coincides with the least fixpoint of the program. LÄS MER