T. Källqvist

Publications113
h-index16
Citations1,094
Highly Influential Citations91
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Environmental assessment of Norwegian priority pharmaceuticals based on the EMEA guideline.
An environmental risk assessment of eleven pharmaceuticals according to the guideline recommended by the European Medicines Evaluation Agency (EMEA) was performed. Cefuroxime, ciprofloxacin,… Expand
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Development of sediment quality criteria in Norway
IntroductionA Norwegian system for classification of environmental quality of contaminated marine sediments has been in force since 1997 and was revised in 2007.DiscussionThe 1997 classification had… Expand
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Combined influence of light and temperature on growth rates of Nannochloropsis oceanica: linking cellular responses to large-scale biomass production
The interaction effects between irradiance and temperature on growth rates ofNannochloropsis oceanicawere determined in both laboratory cultures and large-scale tubular photobioreactors. Growth… Expand
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Toxicity assessment of sequential leachates of tire powder using a battery of toxicity tests and toxicity identification evaluations.
Approximately 460,000 ton of rubber are dispersed annually along the European roads due to tire wear. Tire rubber is known to leach compounds that are toxic to aquatic organisms. However, the… Expand
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Assessment of ammonia toxicity in tests with the microalga, Nephroselmis pyriformis, Chlorophyta.
Previous studies of an industrial effluent have indicated toxic effects by the ammonium/water system in tests with the unicellular green alga, Nephroselmis pyriformis. This investigation was… Expand
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Predicting low biota to sediment accumulation factors of PAHs by using infinite-sink and equilibrium extraction methods as well as BC-inclusive modeling.
Sequestration of polycyclic aromatic hydrocarbons (PAHs) results in the slow release of PAHs from sediment to the aqueous environment, thus limiting bioavailability. Three methods to account for the… Expand
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Real-time monitoring and automatic density control of large-scale microalgal cultures using near infrared (NIR) optical density sensors.
Signals from near infrared (NIR) light transmittance sensors were used for both real-time monitoring of algal biomass density in growing mass cultures (200l tubular biofences), and also as feedback… Expand
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Environmental risk assessment of acrylamide and methylolacrylamide from a grouting agent used in the tunnel construction of Romeriksporten, Norway.
Increased focus on the possible evironmental risk associated with large-scale use of grouting agents has revealed that leakage of chemicals from grouting activities may cause harm to the environment.… Expand
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Freshwater alga and cyanobacteria : growth inhibition test: Draft revised guideline 201
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Effects of three fungicides alone and in combination on glutathione S-transferase activity (GST) and cytochrome P-450 (CYP 1A1) in the liver and gill of brown trout (Salmo trutta).
In order to evaluate the gill glutathione S-transferase (GST) activity as a biomarker of effect of fungicide exposure in juvenile brown trout (Salmo trutta), the fungicides propiconazole… Expand
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