Sökning: "Toxicity test"
Visar resultat 26 - 30 av 58 uppsatser innehållade orden Toxicity test.
26. Coumarin 47 and permethrin effects on zebrafish embryos: : FET tests and behavioural challenges
Magister-uppsats, Örebro universitet/Institutionen för naturvetenskap och teknikSammanfattning : An environment is defined as polluted when contaminants are introduced within it and causeadverse effects to its ecosystem. Chemical pollutants can migrate and often affect severalenvironmental compartments: for instance, chemicals can leach from polluted soil intogroundwater, or they can evaporate and disperse into the atmosphere. LÄS MER
27. A comparison between the effects of polylactic acid and polystyrene microplastics on Daphnia magna
Master-uppsats, Stockholms universitet/Institutionen för miljövetenskap och analytisk kemiSammanfattning : The effects of microplastics on zooplankton are an increasing environmental concern. Both primary microplastics that are produced as constituents of cosmetic products, as well as secondary microplastics that are formed by degradation of larger plastic debris, are ubiquitous in aquatic environments. LÄS MER
28. A High Heat Flux Facility Design forTesting of Methane in Rocket NozzleCooling Channels
Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)Sammanfattning : Liquid natural gas, with a high content of methane, is one of the most prominent future solutions for rocket propellants. This is due to its efficiency in terms of specific thrust, in combination with several operational benefits including availability, storage stability and low toxicity. LÄS MER
29. Radiosensitising tumour cells : Optimisations in vitro and in vivo
Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för immunologi, genetik och patologiSammanfattning : One in three people in Sweden will sometime during their life be diagnosed with cancer. The most important therapies used today to treat these patients are surgery, radiation and chemotherapy. LÄS MER
30. Veterinary antiparasitic pharmaceuticals – effects on behaviour in fish larvae
Master-uppsats, SLU/Dept. of Biomedical Sciences and Veterinary Public HealthSammanfattning : SUMMARY Antiparasitic pharmaceuticals are important groups of pharmaceuticals in veterinary medicine and are used in large quantities. Antiparasitic pharmaceuticals and their metabolites enter the environment via excretion in urine and/or faeces from treated animals and by run off to surface water these compounds reach aquatic environments and thereby present a risk for aquatic organisms. LÄS MER