Browsing NTNU Open by Author "Arukwe, Augustine"
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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 ... -
Application of quantitative transcriptomics in evaluating the ex vivo effects of per- and polyfluoroalkyl substances on Atlantic cod (Gadus morhua) ovarian physiology
Khan, Essa Ahsan; Zhang, Xiaokang; Hanna, Eileen Marie; Yadetie, Fekadu; Jonassen, Inge; Goksøyr, Anders; Arukwe, Augustine (Peer reviewed; Journal article, 2020)Because of their global consumption and persistence, per- and polyfluoroalkyl substances (PFASs), are ubiquitously distributed in the environment, as well as in wildlife and humans. In the present study, we have employed ... -
Benefit and risk assessment of increasing potassium by replacement of sodium chloride with potassium chloride in industrial food Production. Opinion of the Scientific Steering Committee
Frølich, Wenche; Andreassen, Åshild Kristine; Arukwe, Augustine; Bernhoft, Aksel; Dahl, Knut Helkås; Eckner, Karl Fredrich; Haugen, Margaretha; Hemre, Gro Ingunn; Iversen, Per Ole; Kapperud, Georg; Källqvist, Torsten; Krogdahl, Åshild; Lassen, Jørgen Fr; Lunestad, Bjørn Tore; Lyche, Jan Ludvig; Næss, Bjørn; Rosnes, Jan Thomas; Steffensen, Inger-Lise; Skåre, Janneche Utne; Sundheim, Leif; Torrissen, Ole; Østerås, Olav; Alexander, Jan (VKM Report;, Research report, 2014)The Norwegian Scientific Committee for Food Safety (Vitenskapskomiteen for mattrygghet, VKM), has at the request of the Norwegian Food Safety Authority (Mattilsynet), conducted a benefit and risk assessment for human health ... -
Biotransformation and Oxidative Stress Responses in Captive Nile Crocodile (Crocodylus niloticus) Exposed to Organic Contaminants from the Natural Environment in South Africa
Arukwe, Augustine; Røsbak, Randi; Adeogun, Aina O; Langberg, Håkon A; Venter, Annette; Myburgh, Jan; Botha, Christo; Benedetti, Maura; Regoli, Francesco (Journal article; Peer reviewed, 2015)In the present study, the biotransformation and oxidative stress responses in relation to chemical burden in the liver of male and female Nile crocodiles—Crocodylus niloticus— from a commercial crocodile farm passively ... -
Cellular Lipid Homeostasis and Oxidative Stress Responses in the Liver of Atlantic Cod (Gadus morhua) Exposed to a Quantifiable Measure of Climate Change (CO2) and Perfluorooctane Sulfonate (PFOS)
Lorentzen, Kari (Master thesis, 2013)Increase in atmospheric carbon dioxide (CO2) is generally regarded as the main cause of global climate change, and this condition has also been shown in aquatic environments. In addition, emerging contaminants are ubiquitously ... -
Changes in hormone profiles in relation to ultrasound-determined testis maturation during a reproductive cycle in Atlantic salmon (Salmo salar)
Hoque, Md. Enamul (Master thesis, 2016)At present, fully mature males are identified by checking for running milt by palpitation during gamete production of Atlantic salmon (Salmo salar). Ultrasound (US) technology could provide a cheap and fast method to monitor ... -
Combined Effects of Perfluorooctane sulfonic acid (PFOS) and Carbon dioxide (CO2) on oxidative stress responses in the gill of Atlantic cod (Gadus morhua)
Munyemera, Ivan (Master thesis, 2014)Increasing levels of anthropogenic CO2 in atmosphere and aquatic environment have been regarded as significant force behind global climate changes. The aquatic environment is also a heavy recipient for pollutants embedded ... -
Combined Effects of Perfluorooctane sulfonic acid (PFOS) and dissolved Carbon dioxide (CO2) on acute steroidogenic responses in the brain of Atlantic cod (Gadus morhua)
Langberg, Håkon Austad (Master thesis, 2014)Climate changes are often regarded as a concern for the future, but effects are already seen. Increased levels of atmospheric CO2 have resulted in increased levels of dissolved CO2 and a decreased pH in the ocean surface. ... -
Combined Effects of two emerging Environmental Stressors (Perfluorooctane Sulfonate and Carbon Dioxide) on Estrogenic Responses of juvenile Atlantic Cod (Gadus morhua)
Preus-Olsen, Gunnhild (Master thesis, 2013)Predicted climate changes have been suggested to alter future distribution and toxicity of persistent organic pollutants (POPs). Until now, little effort has been put into investigating such interactive effects between ... -
Comparison of organic and conventional food and food production Overall summary: Impact on plant health, animal health and welfare, and human Health. Opinion of the Scientific Steering Committee of the Norwegian Scientific Committee for Food Safety
Alexander, Jan; Andreassen, Åshild Kristine; Arukwe, Augustine; Bernhoft, Aksel; Bøe, Knut Egil; Haugen, Margaretha; Källqvist, Torsten; Krogdahl, Åshild; Lassen, Jørgen Fr; Næss, Bjørn; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Torrisen, Ole; Hemre, Gro Ingunn (VKM Report;, Research report, 2014)The Norwegian Scientific Committee for Food Safety performed the present assessment of the differences between organic and conventional foods and food production on plant health, animal health and welfare and human health ... -
Comparison of organic and conventional food and food Production. Part I: Plant health and plant production
Sundheim, Leif; Hofsvang, Trond; Magnusson, Christer; Eriksen, Gunnar Sundstøl; Brandsæter, Lars Olav; Brodal, Guro; Remberg, Siv Fagertun; Uhlen, Anne Kjersti; Andreassen, Åshild Kristine; Arukwe, Augustine; Bernhoft, Aksel; Bøe, Knut Egil; Haugen, Margaretha; Hemre, Gro Ingunn; Krogdahl, Åshild; Källqvist, Torsten; Lassen, Jørgen Fredrik; Næss, Bjørn; Rafoss, Trond; Skåre, Janneche Utne; Sletten, Arild; Solheim, Halvor; Steffensen, Inger-Lise; Torrissen, Ole; Tronsmo, Anne Marte; Økland, Bjørn Inge; Alexander, Jan (VKM Report;, Research report, 2014)Organic plant production in 2012 covered 50 200 ha which is 5.1% of the total agricultural area of Norway. The country is on the northern frontier for commercial plant production with short growing season, low summer ... -
Comparison of organic and conventional food and food production. Part II: Animal health and welfare in Norway
Bøe, Knut Egil; Bernhoft, Aksel; Hansen, Inger; Hoel, Kristian; Moe, Randi Oppermann; Seehus, Siri Christine; Svihus, Birger; Whist, Anne C; Østerås, Olav; Andreassen, Åshild Kristine; Arukwe, Augustine; Braastad, Bjarne Olai; Erikson, Ulf Gøran; Haugen, Margaretha; Hemre, Gro Ingunn; Hjeltnes, Brit Kristine; Krogdahl, Åshild; Källqvist, Torsten; Lassen, Jørgen Fredrik; Mortensen, Stein Håkon; Næss, Bjørn; Olsen, Rolf-Erik; Rimstad, Espen; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Torrissen, Ole; Alexander, Jan (VKM Report;, Research report, 2014) -
Comparison of organic and conventional food and food Production. Part III: Human health – an evaluation of human studies, animal models studies and biomarker studies
Haugen, Margaretha; Halvorsen, Ragnhild; Iversen, Per Ole; Mansoor, Mohammad Azam; Meltzer, Helle Margrete; Torjusen, Hanne; Andreassen, Åshild Kristine; Arukwe, Augustine; Bernhoft, Aksel; Bøe, Knut Egil; Dierkes, Jutta; Frølich, Wenche; Frøyland, Livar; Hemre, Gro Ingunn; Krogdahl, Åshild; Källqvist, Torsten; Lassen, Jørgen Fredrik; Lyche, Jan Ludvig; Næss, Bjørn; Skålhegg, Bjørn Steen; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Torrissen, Ole; Alexander, Jan (VKM Report, Research report, 2014) -
Comparison of organic and conventional food and food Production. Part IV: Human health – hygiene and pathogens
Lassen, Jørgen Fredrik; Kapperud, Georg; Lunestad, Bjørn Tore; Robertson, Lucy Jane; Tranulis, Michael A.; Yazdankhah, Siamak Pour; Andreassen, Åshild Kristine; Arukwe, Augustine; Bøe, Knut Egil; Eckner, Karl Friedrich; Haugen, Margaretha; Hemre, Gro Ingunn; Krogdahl, Åshild; Källqvist, Torsten; Nesbakken, Truls; Nygård, Karin Maria; Næss, Bjørn; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Torrissen, Ole; Tryland, Morten; Alexander, Jan (VKM Report;, Research report, 2014) -
Comparison of organic and conventional food and food Production. Part V: Human health – pesticide residues
Bjørge, Christine; Låg, Marit; Hetland, Ragna Bogen; Christiansen, Agnethe; Skretteberg, Lise; Andreassen, Åshild Kristine; Arukwe, Augustine; Bøe, Knut Egil; Bernhoft, Aksel; Eklo, Ole Martin; Grung, Merete; Haugen, Margaretha; Hemre, Gro Ingunn; Klingen, Ingeborg; Källqvist, Torsten; Krogdahl, Åshild; Lassen, Jørgen Fredrik; Næss, Bjørn; Ropstad, Erik; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Sverdrup, Line Emilie; Torrissen, Ole; Alexander, Jan (VKM Report;, Research report, 2014) -
Contaminant accumulation and biological responses in Atlantic cod (Gadus morhua) caged at a capped waste disposal site in Kollevåg, Western Norway
Dale, Karina; Müller, Mette Bjørge; Tairova, Zhanna; Khan, Essa Ahsan; Hatlen, Kristin; Grung, Merete; Yadetie, Fekadu; Lille-Langøy, Roger; Blaser, Nello; Skaug, Hans J; Lyche, Jan Ludvig; Arukwe, Augustine; Hylland, Ketil; Karlsen, Odd André; Goksøyr, Anders (Journal article; Peer reviewed, 2019)The aim of this study was to assess whether fish in Kollevåg, a sheltered bay on the western coast of Norway, previously utilized as a waste disposal site, could be affected by environmental contaminants leaking from the ... -
Description of the processes in the value chain and risk assessment of decomposition substances and oxidation products in fish Oils. Opinion of Steering Committee of the Norwegian Scientific Committee for Food Safety
Aursand, Marit; Hamre, Kristin; Knutsen, Helle Katrine; Maage, Amund; Arukwe, Augustine; Alexander, Jan; Amlund, Heidi; Bernhoft, Aksel; Brantsæter, Anne Lise; Eriksen, Gunnar Sundstøl; Fæste, Christiane Kruse; Krogdahl, Åshild; Haugen, Margaretha; Hemre, Gro Ingunn; Lassen, Jørgen Fr; Nerland, Audun Helge; Nesse, Live Lingaas; Næss, Bjørn; Ringø, Einar; Ruus, Anders; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Sverdrup, Line Emilie; Svihus, Birger; Thomsen, Cathrine; Torrissen, Ole; Østerås, Olav; Torstensen, Bente Elisabeth; Ørnsrud, Robin; Mozuraityte, Revilija (VKM Report;, Research report, 2011)The Norwegian Scientific Committee for Food Safety (VKM) has been asked by the Norwegian Food Safety Authority to perform a health risk assessment on decomposition substances and oxidation products ... -
Effects of elevated dissolved carbon dioxide and perfluorooctane sulfonic acid, given singly and in combination, on steroidogenic and biotransformation pathways of atlantic cod
Preus-Olsen, Gunnhild; Olufsen, Marianne Opsahl; Pedersen, Sindre Andre; Letcher, RJ; Arukwe, Augustine (Journal article; Peer reviewed, 2014)In the aquatic environments, the predicted changes in water temperature, pO2 and pCO2 could result in hypercapnic and hypoxic conditions for aquatic animals. These conditions are thought to affect several basic cellular ... -
Endocrine, biotransformation, and oxidative stress responses in salmon hepatocytes exposed to chemically induced hypoxia and perfluorooctane sulfonamide (PFOSA), given singly or in combination
Olufsen, Marianne Opsahl; Arukwe, Augustine (Journal article; Peer reviewed, 2015)The effects of hypoxia and perfluorooctane sulfonamide (PFOSA), given singly and also in combination on endocrine, biotransformation, and oxidative stress responses were investigated in primary culture of salmon hepatocytes. ... -
Estrogenic Responses in Nile Crocodile (Crocodylus niloticus) Passively Exposed to Complex Mixture of Environmental Contaminants
Godal, Idunn Braa (Master thesis, 2015)I denne oppgaven ble det sett nærmere på biotransformasjon- og endokrinforstyrrelser ved å analysere lever- og blodprøver hos Nilkrokodiller (Crocodylus niloticus) for ulike kjemikalier. Prøver ble hentet fra en kommersiell ...