Browsing Scientific publications by Author "Rundberget, Thomas"
Now showing items 1-16 of 16
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Age and Synchronization of Daphnia magna Affect Sensitivity to Teflubenzuron in Acute Standardized Toxicity Tests
Nordblad Schmidt, Simon; Rundberget, Thomas; Song, You; Tollefsen, Knut-Erik (Peer reviewed; Journal article, 2023)The standard Daphnia sp. acute toxicity test for assessing the adverse effects of chemicals on aquatic invertebrates stipulates the use of neonates that are ≤24 h old (hours post release [hpr]) at the start of the exposure. ... -
Assessing Stress Resilience After Smolt Transportation by Waterborne Cortisol and Feeding Behavior in a Commercial Atlantic Salmon (Salmo salar) Grow-Out Recirculating Aquaculture System
Höglund, Erik; Fernandes, Paulo; Rojas-Tirado, Paula Andrea; Rundberget, Thomas; Hess-Erga, Ole-Kristian (Peer reviewed; Journal article, 2022)Sampling protocols and water quality sensors have been developed to assess fish health and welfare in recirculating aquaculture systems (RASs). Still, the use of fish-based non-invasive welfare indicators, reflecting the ... -
Diversity of cyanobacteria and cyanotoxins in Hartbeespoort Dam, South Africa
Ballot, Andreas; Sandvik, Morten; Rundberget, Thomas; Botha, Christo J.; Miles, Christopher O. (Journal article; Peer reviewed, 2014)The South African Hartbeespoort Dam is known for the occurrence of heavy Microcystis blooms. Although a few other cyanobacterial genera have been described, no detailed study on those cyanobacteria and their potential toxin ... -
Effect-Directed Analysis Based on Transthyretin Binding Activity of Per- and Polyfluoroalkyl Substances in a Contaminated Sediment Extract
Langberg, Håkon A.; Choyke, Sarah; Hale, Sarah E.; Koekkoek, Jacco; Cenijn, Peter H.; Lamoree, Marja H.; Rundberget, Thomas; Jartun, Morten; Breedveld, Gijs D.; Jenssen, Bjørn M.; Higgins, Christopher P.; Hamers, Timo (Peer reviewed; Journal article, 2023)Only a fraction of the total number of per- and polyfluoroalkyl substances (PFAS) are monitored on a routine basis using targeted chemical analyses. We report on an approach toward identifying bioactive substances in ... -
Effects of simulated environmental discharges of the salmon lice pesticides deltamethrin and azamethiphos on the swimming behaviour and survival of adult Northern shrimp (Pandalus borealis)
Bamber, Shaw; Rundberget, Thomas; Kringstad, Alfhild; Bechmann, Renée Katrin (Peer reviewed; Journal article, 2021)Swimming behaviour was investigated in adult egg-carrying northern shrimp (Pandalus borealis) exposed to dilute concentrations of the pesticides Alpha Max® (active ingredient deltamethrin) and Salmosan® (active ingredient ... -
Evaluation of the sensitivity, responsiveness and reproducibility of primary rainbow trout hepatocyte vitellogenin expression as a screening assay for estrogen mimics
Hultman, Maria Thérése; Rundberget, Thomas; Tollefsen, Knut-Erik (Journal article; Peer reviewed, 2014)Vitellogenin (Vtg) induction in primary fish hepatocytes has been proposed as an in vitro screening assay for ER agonists and antagonists, but has not yet been used extensively as a high-throughput screening tool due to ... -
Fast and accurate on-site determination of rotenone in water during fish control treatments using liquid chromatography
Sandvik, Morten; Waaler, Thor Arnulf; Rundberget, Thomas; Adolfsen, Pål; Bardal, Helge; Sandodden, Roar (Journal article; Peer reviewed, 2018)A fast, accurate and simple method using liquid chromatography (LC) with UV detection was used for the on-site determination of the piscicide rotenonein water during fish control treatments. Sample volumes of 10 to 40 µL ... -
Fluorinated Precursor Compounds in Sediments as a Source of Perfluorinated Alkyl Acids (PFAA) to Biota
Langberg, Håkon Austad; Breedveld, Gijs D.; Slinde, Gøril Aasen; Grønning, Hege Mentzoni; Høisæter, Åse; Jartun, Morten; Rundberget, Thomas; Jenssen, Bjørn Munro; Hale, Sarah (Peer reviewed; Journal article, 2020)The environmental behavior of perfluorinated alkyl acids (PFAA) and their precursors was investigated in lake Tyrifjorden, downstream a factory producing paper products coated with per- and polyfluorinated alkyl substances ... -
High sensitivity to dietary imidacloprid exposure in early life stages of Folsomia quadrioculata (Collembola) populations from contrasting climates
Sengupta, Sagnik; Leinaas, Hans Petter; van Gestel, Cornelis A.M.; Jager, Tjalling; Rundberget, Thomas; Borgå, Katrine (Peer reviewed; Journal article, 2023)Survival of early life stages is critical for population growth. Understanding the vulnerability of these sensitive stages can therefore improve ecological risk predictions. The globally-used neonicotinoid insecticide ... -
Identification of 24-O-β-d-Glycosides and 7-Deoxy-Analogues of Okadaic Acid and Dinophysistoxin-1 and -2 in Extracts from Dinophysis Blooms, Dinophysis and Prorocentrum Cultures, and Shellfish in Europe, North America and Australasia
Wilkins, Alistair L.; Rundberget, Thomas; Sandvik, Morten; Rise, Frode; Knudsen, Brent K.; Kilcoyne, Jane; Reguera, Beatriz; Rial, Pilar; Wright, Elliot J.; Giddings, Sabrina D.; Boundy, Michael J.; Rafuse, Cheryl; Miles, Christopher O. (Peer reviewed; Journal article, 2021)Two high-mass polar compounds were observed in aqueous side-fractions from the purification of okadaic acid (1) and dinophysistoxin-2 (2) from Dinophysis blooms in Spain and Norway. These were isolated and shown to be ... -
Interlaboratory Comparison of Extractable Organofluorine Measurements in Groundwater and Eel (Anguilla rostrata): Recommendations for Methods Standardization
Ruyle, Bridger J.; Pickard, Heidi M.; Schultes, Lara; Fredriksson, Felicia; Heffernan, Amy L.; Knappe, Detlef R. U.; Lord, Heather L.; Meng, Pingping; Mills, Marc A.; Ndungu, Kuria; Roesch, Philipp; Rundberget, Thomas; Tettenhorst, Daniel R.; Van Buren, Jean; Vogel, Christian; Westerman, Danielle C.; Yeung, Leo W. Y.; Sunderland, Elsie M. (Peer reviewed; Journal article, 2023)Research on per- and polyfluoroalkyl substances (PFAS) frequently incorporates organofluorine measurements, particularly because they could support a class-based approach to regulation. However, standardized methods for ... -
Paper product production identified as the main source of per- and polyfluoroalkyl substances (PFAS) in a Norwegian lake: Source and historic emission tracking
Langberg, Håkon Austad; Arp, Hans Peter; Breedveld, Gijs D.; Slinde, Gøril Aasen; Høisæter, Åse; Grønning, Hege Mentzoni; Jartun, Morten; Rundberget, Thomas; Jenssen, Bjørn Munro; Hale, Sarah (Peer reviewed; Journal article, 2020)The entirety of the sediment bed in lake Tyrifjorden, Norway, is contaminated by per- and polyfluoroalkyl substances (PFAS). A factory producing paper products and a fire station were investigated as possible sources. Fire ... -
Screening of Tire-Derived Chemicals and Tire Wear Particles in a Road Tunnel Wash Water Treatment Basin
Meland, Sondre; Granheim, Gina Marie; Rundberget, Thomas; Rødland, Elisabeth Strandbråten (Peer reviewed; Journal article, 2023)Road tunnels play a crucial role in modern road networks, in both urban and non-urban areas, and necessitate frequent cleaning and washing due to the harsh tunnel environment. As a result, road tunnels are considered hot ... -
Using Passive Samplers to Track per and Polyfluoroalkyl Substances (PFAS) Emissions From the Paper Industry: Laboratory Calibration and Field Verification
Hale, Sarah E.; Canivet, Baptiste; Rundberget, Thomas; Langberg, Håkon Austad; Allan, Ian J. (Peer reviewed; Journal article, 2021)Per and polyfluoroalkyl substances (PFAS) are becoming more stringently regulated and as such, a more diverse suite of environmental monitoring methods is needed. In this work a polar organic chemical integrative sampler ... -
Whole-Organism Transcriptomic Analysis Provides Mechanistic Insight into the Acute Toxicity of Emamectin Benzoate in Daphnia magna
Song, You; Rundberget, Thomas; Evenseth, Linn Mari; Xie, Li; Gomes, Tania; Høgåsen, Tore; Iguchi, Taisen; Tollefsen, Knut Erik (Journal article; Peer reviewed, 2016)Emamectin benzoate (EMB) is an antisea lice chemical widely used in the aquaculture that may also unintentionally affect nontarget crustaceans in the environment. Although the adverse effects of this compound are well ... -
Within-Body Distributions and Feeding Effects of the Neonicotinoid Insecticide Clothianidin in Bumblebees (Bombus terrestris)
Aarønes, Malin Røyset; Paus-Knudsen, Julie Sørlie; Nielsen, Anders; Rundberget, Thomas; Borgå, Katrine (Peer reviewed; Journal article, 2021)Bumblebees can be exposed to neonicotinoid pesticides through nectar and pollen collected from treated crops, which can cause lethal and sublethal effects in these nontarget pollinators. However, the body distribution of ...