Blar i NTNU Open på forfatter "Jenssen, Bjørn Munro"
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A Crude Awakening: Effects of Crude Oil on Lipid Metabolism in Calanoid Copepods Terminating Diapause
Skottene, Elise; Tarrant, Ann; Olsen, Anders; Altin, Dag; Hansen, Bjørn Henrik; Choquet, Marvin; Olsen, Rolf Erik; Jenssen, Bjørn Munro (Journal article; Peer reviewed, 2019)Calanus finmarchicus and Calanus glacialis are keystone zooplankton species in North Atlantic and Arctic marine ecosystems because they form a link in the trophic transfer of nutritious lipids from phytoplankton to predators ... -
A review of ecological impacts of global climate change on persistent organic pollutant and mercury pathways and exposures in arctic marine ecosystems
McKinney, Melissa; Pedro, Sara; Dietz, Rune; Sonne, Christian; Fisk, Aaron T.; Roy, Denis; Jenssen, Bjørn Munro; Letcher, Robert J (Journal article; Peer reviewed, 2015)Bioaccumulative and biomagnifying contaminants, such as persistent organic pollutants (POPs) and mercury (Hg), have for decades been recognized as a health concern in arctic marine biota. In recent years, global climate ... -
A targeted mass spectrometry immunoassay to quantify osteopontin in fresh-frozen breast tumors and adjacent normal breast tissues
Macur, Katarzyna; Hagen, Lars; Ciesielski, Thomasz M.; Konieczna, Lucyna; Skokowski, Jaroslaw; Jenssen, Bjørn Munro; Slupphaug, Geir; Baczek, Tomasz (Journal article; Peer reviewed, 2019)Osteopontin (OPN) is a multifunctional protein that can activate cell-signaling pathways and lead to cancer development and metastasis. Elevated OPN expression was reported in different cancer types, including breast tumors. ... -
A veterinary perspective on One Health in the Arctic
Sonne, Christian; Letcher, Robert James; Jenssen, Bjørn Munro; Desforges, Jean-Pierre; Eulaers, Igor; Andersen-Ranberg, Emilie; Gustavson, Kim; Styrishave, Bjarne; Dietz, Rune (Journal article; Peer reviewed, 2017)Exposure to long-range transported industrial chemicals, climate change and diseases is posing a risk to the overall health and populations of Arctic wildlife. Since local communities are relying on the same marine food ... -
Accumulation of Gadolinium in organs of lumpfish (Cyclopterus lumpus)
Østerås, Ailin (Master thesis, 2023)Sjeldne jordarter, også kjent som rare earth elements (REE) er grunnstoffer som vekker økende bekymring som forurensningskilder. Økt menneskelig bruk av REE har ført til rapportering av økte REE konsentrasjoner i naturen, ... -
Acute hydrogen peroxide (H2O2) exposure does not cause oxidative stress in late-copepodite stage of Calanus finmarchicus
Hansen, Bjørn Henrik; Hallmann, Anna; Altin, Dag; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej (Journal article; Peer reviewed, 2017)Use of hydrogen peroxide (H2O2) for removal of salmon lice in the aquaculture industry has created concern that non-target organisms might be affected during treatment scenarios. The aim of the present study was to examine ... -
Adsorption of phenanthrene to carbon nanotubes and its influence on phenanthrene bioavailability/toxicity in aquatic organisms
Glomstad, Berit (Doctoral theses at NTNU;2017:323, Doctoral thesis, 2017)Carbon nanotubes (CNTs) are engineered nanomaterials (ENMs) which due to their unique properties are being incorporated into a growing number of applications. The increased production and use of CNTs increases the risk of ... -
Alteration of neuro-dopamine and steroid hormone homeostasis in wild Bank voles in relation to tissue concentrations of PFAS at a Nordic skiing area
Grønnestad, Randi; Schlenk, Daniel; Krøkje, Åse; Jaspers, Veerle; Jenssen, Bjørn Munro; Coffin, Scott; Bertotto, Luísa Becker; Giroux, Marissa; Lyche, Jan Ludvig; Arukwe, Augustine (Peer reviewed; Journal article, 2020)Perfluoroalkyl substances (PFAS) are contaminants that are applied in a wide range of consumer products, including ski products. The present study investigated the neuro-dopamine (DA) and cellular steroid hormone homeostasis ... -
Anthropogenic flank attack on polar bears: interacting consequences of climate warming and pollutant exposure
Jenssen, Bjørn Munro; Villanger, Gro Dehli; Gabrielsen, Kristin Møller; Bytingsvik, Jenny; Bechshoft, Thea; Ciesielski, Tomasz Maciej; Sonne, Christian; Dietz, Rune (Journal article; Peer reviewed, 2015)Polar bears (Ursus maritimus) are subjected to several anthropogenic threats, climate warming and exposure to pollutants being two of these. For polar bears, one of the main effects of climate warming is limited access to ... -
Anthropogenic impact on marine ecosystem health: A comparative multi-proxy investigation of recent sediments in coastal waters
Filipkowska, Anna; Lubecki, Ludwik; Szymczak-Żyła, Małgorzata; Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Ardelan, Murat Van; Mazur-Marzec, Hanna; Breedveld, Gijs D.; Oen, Amy M P; Zamojska, Anna; Kowalewska, Grażyna (Journal article; Peer reviewed, 2018)Hazardous substances entering the sea, and ultimately deposited in bottom sediments, pose a growing threat to marine ecosystems. The present study characterized two coastal areas exposed to significant anthropogenic impact ... -
Assessing the Diet of the Golden eagle (Aquila chrysaetos) and the Biomagnification of Metals by use of Stable isotope analysis and ICP-MS.
Reitan, Maiken (Master thesis, 2013)Feathers from the golden eagle and muscle tissue from the most important sources of prey (hare, sheep, grouse and reindeer) in the golden eagle diet were analysed for stable isotopes of carbon and nitrogen, and for the ... -
The Baltic Sea: An ecosystem with multiple stressors
Dietz, R.; Sonne, C.; Jenssen, Bjørn Munro; Das, K.; de Wit, Wit; Harding, K.C.; Siebert, U.; Olsen, M.T. (Peer reviewed; Journal article, 2021)This introductory chapter to our Environment International VSI does not need an abstract and therefore we just include our recommendations below in order to proceed with the resubmission. Future work should examine waterbirds ... -
Bioaccumulation of arsenic, cadmium, mercury, lead and selenium in the benthic and pelagic food chain of Lake Baikal
Leeves, Sara Ann (Master thesis, 2011)Increased anthropogenic release of potentially toxic trace elements such as arsenic (As), cadmium (Cd), mercury (Hg), lead (Pb) and selenium (Se) into freshwater ecosystems over the past century has caused much concern. ... -
Bioaccumulation of chemical elements in grey seals (Halichoerus grypus) from the Baltic Sea
Helsingen, Even Buvarp (Master thesis, 2011)Concentrations of Ag, As, B, Ba, Bi, Ca, Cd, Ce, Co, Cs, Cu, Dy, Er, Fe, Ga, Ge, Hg, Ho, K, La, Li, Lu, Mg, Mn, Mo, Na, Nd, Ni, P, Pb, Pr, Rb, S, Sb, Se, Si, Sm, Sn, Sr, Tb, Th, Tl, V, W, Y, Yb and Zn in the livers of grey ... -
Bioaccumulation of Fluorotelomer Sulfonates and Perfluoroalkyl Acids in Marine Organisms Living in Aqueous Film-Forming Foam Impacted Waters
Langberg, Håkon Austad; Breedveld, Gijs D.; Grønning, Hege Mentzoni; Kvennås, Marianne; Jenssen, Bjørn Munro; Hale, Sarah (Journal article; Peer reviewed, 2019)The use of aqueous film-forming foams (AFFFs) has resulted in hot spots polluted with poly- and perfluorinated alkyl substances (PFASs). The phase out of long-chained perfluoroalkyl acids (PFAAs) from AFFFs resulted in the ... -
Biomarkers of oxidative stress in Calanus finmarchicus exposed to a water accommodated fraction of a naphthenic North Atlantic crude oil
Soloperto, Sofia (Master thesis, 2018)Calanus finmarchicus is an ecologically important species in the North, Norwegian and Barents Seas, periodically constituting up to 90% of the standing stock of zooplankton. Due to continued development of areas for oil ... -
Biomonitoring of rare earth elements in Southern Norway: Distribution, fractionation, and accumulation patterns in the marine bivalves Mytilus spp. and Tapes spp.
Castro, Lyen Marie Marcelo; Farkas, Julia; Jenssen, Bjørn Munro; Piarulli, Stefani; Ciesielski, Tomasz Maciej (Peer reviewed; Journal article, 2023)Growing extraction and usage of rare earth elements and yttrium (REY) for medical and industrial applications has resulted in increased discharges into the marine environment. Using Mytilus spp. Mussels and Tapes spp. clams ... -
Blood and feather concentrations of toxic elements in a Baltic and an Arctic seabird population
Fenstad, Anette; Bustnes, Jan Ove; Lierhagen, Syverin; Gabrielsen, Kristin Møller; Öst, Markus; Jaatinen, Kim; Hanssen, Sveinn Are; Moe, Børge; Jenssen, Bjørn Munro; Krøkje, Åse (Journal article; Peer reviewed, 2017)Wereport blood and feather concentrations of elements in the Baltic Sea and Arctic population of common eiders (Somateria mollissima). The endangered Baltic Sea population of eiders was demonstrably affected by element ... -
"Bottom up" ocean acidification: A study on the effects of CO2 on the bacterial community in sediments
Gjøsund, Nina Szaniawska (Master thesis, 2011). -
Carbon Nanotube Properties Influence Adsorption of Phenanthrene and Subsequent Bioavailability and Toxicity to Pseudokirchneriella subcapitata
Glomstad, Berit; Altin, Dag; Sørensen, Lisbet; Liu, Jingfu; Jenssen, Bjørn Munro; Booth, Andy (Journal article; Peer reviewed, 2016)The bioavailability of organic contaminants adsorbed to carbon nanotubes (CNTs) remains unclear, especially in complex natural freshwaters containing natural organic matter (NOM). Here, we report on the adsorption capacity ...