Sökning: "ecotoxicity"

Visar resultat 6 - 10 av 32 avhandlingar innehållade ordet ecotoxicity.

  1. 6. Protecting food with poison : Exploring ecotoxicity of agrochemicals and pharmaceuticals

    Författare :Oskar Nyberg; Michael Tedengren; Peter Fantke; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; LCA; ecotoxicology; uncertainty; antibiotics; aquaculture; pesticides; Ecotoxicology; ekotoxikologi;

    Sammanfattning : Chemicals are being emitted into the environment through human activities, such as agriculture or animal husbandry. Emissions can either occur intentionally, as pesticide application of crops, or inadvertently, such as pharmaceutical residues in wastewater effluents. LÄS MER

  3. 7. From Science to Policy : Improving environmental risk assessment andmanagement of chemicals

    Författare :Marlene Ågerstrand; Christina Rudén; Magnus Breitholtz; Misse Wester; Andreas Kortenkamp; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; environmental risk assessment; chemicals; pharmaceuticals; transparency; predictability; accuracy; consistency; voluntary initiatives; ecotoxicity data; reliability evaluation; relevance evaluation; non-standard test data; CSR; risk management.;

    Sammanfattning : A complex process like risk assessment and the subsequent risk management decision makingshould be regularly evaluated, in order to assess the need to improve its workings. In this thesisthree related matters are addressed: evaluation of environmental risk management strategies,evaluation of environmental risk assessments, and how ecotoxicity data from the open scientificliterature can be used in a systematic way in regulatory risk assessments. LÄS MER

  4. 8. When the Rubber Meets the Road -Ecotoxicological Hazard and Risk Assessment of Tire Wear Particles

    Författare :Anna Wik; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; tire wear; tire particles; rubber; leaching tests; ecotoxicity tests; Daphnia magna; Ceriodaphnia dubia; Pseudokirchneriella subcapitata; Danio rerio; toxicity identification evaluation; detention ponds; hazard assessment; risk assessment;

    Sammanfattning : Large amounts of rubber particles are dispersed into the environment due to tire wear. The rubber contains a wide range of chemicals, including several of environmental concern. The purpose of this th.. LÄS MER

  5. 9. 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. 10. The aquatic ecotoxicity of manufactured silica nanomaterials and their interactions with organic pollutants

    Författare :Frida Book; Göteborgs universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Manufactured silica nanomaterials are one of the nanomaterials consumed in the highest volumes (more than 4 000 000 tons/year/globally) and are used in a wide range of products and industries such as food, cosmetics, coatings, paints, textiles, concrete and the paper and pulp industry. They also provide promising properties that help solving societal challenges, such as water remediation, by binding contaminants. LÄS MER