Search for dissertations about: "Per-Erik Olsson"

Showing result 11 - 15 of 16 swedish dissertations containing the words Per-Erik Olsson.

  2. 11. New Approaches for Daphnia magna Toxicity Assessment

    Author : Berkay Paylar; Per-Erik Olsson; Jana Jass; Solomon Asnake; Ajay Pradhan; Joachim Sturve; Örebro universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Risk assessment; toxicogenomics; zinc; copper; machine learning;

    Abstract : Risk assessment plays a crucial role in evaluating and managing the potential hazards and health effects associated with exposure to substances. In recent decades, the field of risk assessment has undergone significant expansion, embracing innovative approaches and methodologies. READ MORE

  4. 12. Gene expression and antibiotic resistance in Escherichia coli from Swedish inland waters

    Author : Sirirat Poonlapthawee; Jana Jass; Per-Erik Olsson; Allan Sirsjö; Örebro universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Biology; Biologi;

    Abstract : Extensive use of antibiotics both from human-medicine and veterinary sources are believed to provide selective pressure on bacteria that leads to an increase in antibiotic resistance in environmental waters. Contamination of antibiotic resistant microbes will raise human health risks. READ MORE

  5. 13. Molecular mechanisms of zebrafish sex differentiation and sexual behavior

    Author : Ajay Pradhan; Per-Erik Olsson; Jana Jass; Svante Winberg; Örebro universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NFκB; prostaglandin; retinoic acid; gonads; gene regulation; brain; Molecular Biology; Molekylärbiologi;

    Abstract : .... READ MORE

  6. 14. Toxicogenomic responses in Daphnia magna

    Author : Asmerom Seyoum; Per-Erik Olsson; Ajay Pradhan; Joachim Sturve; Örebro universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; ERA; organic pollutants; toxicogenomic; phthalate; PFAS and DBE-DBCH;

    Abstract : Detection of various organic contaminants in the aquatic environment at low concentrations, has raised concerns for animal and human health. Structural similarities of these compounds to estrogens and ecdysones suggests that organic pollutants may interfere with hormonal system of aquatic organisms. READ MORE

  7. 15. Habitat composition and restocking for conservation of the white-backed woodpecker in Sweden

    Author : Kristoffer Stighäll; Per-Erik Olsson; Grzegorz Mikusinski; Örebro universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; White-backed woodpecker; Dendrocopos leucotos; Sweden; deciduous forest; suitable habitat; fragmentation; saproxylic insects; captive breeding; restocking; Biology; Biologi;

    Abstract : In Sweden, intense human land use, especially forestry, has led to profound changes in the landscape over time, especially within the forest ecosystems. A consequence of this is that several specialist species have become endangered. One group of specialists is the woodpeckers. READ MORE