Browsing NTNU Open by Author "Herzke, Dorte"

Now showing items 1-20 of 26

    • Abundance and Characteristics of Microplastics in Atmospheric Deposition from the Arctic and Mainland, Norway. 

      Bjørnsen, Astrid (Master thesis, 2023)

    • Anti-parasite treatment and blood biochemistry in raptor nestlings 

      Hanssen, Sveinn Are; Sonne, Christian; Bustnes, Jan Ove; Schnug, Lisbeth; Bourgeon, Sophie; Ballesteros, Manuel; Eulaers, Igor; Moum, Truls Borg; Johnsen, Trond Vidar; Kjelgaard-Hansen, Mads; Herzke, Dorte; Jaspers, Veerle; Covaci, Adrian; Eens, Marcel; Halley, Duncan John; Erikstad, Kjell Einar; Ims, Rolf Anker (Journal article; Peer reviewed, 2017)
      We investigated the effects of parasite removal on various blood clinical–chemical variables (BCCVs). BCCVs are indicators of health, reflecting, e.g., homeostasis of liver, kidney function, and bone metabolism. The study ...

    • Antiparasite treatments reduce humoral immunity and impact oxidative status in raptor nestlings 

      Hanssen, Sveinn Are; Bustnes, Jan Ove; Schnug, Lisbeth; Bourgeon, Sophie; Johnsen, Trond Vidar; Ballesteros, Manuel; Sonne, Christian; Herzke, Dorte; Eulaers, Igor; Jaspers, Veerle; Covaci, Adrian; Eens, Marcel; Halley, Duncan John; Moum, Truls Borg; Ims, Rolf Anker; Erikstad, Kjell E (Journal article; Peer reviewed, 2013)
      Parasites are natural stressors that may have multiple negative effects on their host as they usurp energy and nutrients and may lead to costly immune responses that may cause oxidative stress. At early stages, animals ...

    • Bird feathers as a biomonitor for environmental pollutants: Prospects and pitfalls 

      Jaspers, Veerle; Covaci, Adrian; Herzke, Dorte; Eulaers, Igor; Eens, Marcel (Journal article; Peer reviewed, 2019)
      Due to increasing amounts of hazardous chemicals released into the environment, there is a high demand for developing easy and non-destructive biomonitoring tools. In a recent paper published in Trends in Analytical ...

    • Developmental toxicity of perfluorooctanesulfonate (PFOS) and its chlorinated polyfluoroalkyl ether sulfonate alternative F-53B in the domestic chicken 

      Briels, Nathalie; Ciesielski, Tomasz Maciej; Herzke, Dorte; Jaspers, Veerle (Journal article; Peer reviewed, 2018)
      The chlorinated polyfluoroalkyl ether sulfonate F-53B is used as a mist suppressant in the Chinese electroplating industry. Because of the regulations on perfluorooctanesulfonate (PFOS), its use is expected to increase. ...

    • Dissimilar effects of organohalogenated compounds on thyroid hormones in glaucous gulls 

      Melnes, Marte; Gabrielsen, Geir W; Herzke, Dorte; Sagerup, Kjetil; Jenssen, Bjørn Munro (Journal article; Peer reviewed, 2017)
      The glaucous gull (Larus hyperboreus) is an arctic top predator and scavenger exposed to high levels of mixtures of organohalogenated contaminants (OHCs) of which many interfere with the thyroid hormone (TH) system. In the ...

    • DNA double-strand breaks in relation to persistent organic pollutants in a fasting seabird 

      Fenstad, Anette; Jenssen, Bjørn Munro; Moe, Børge; Hanssen, Sveinn Are; Bingham, Christopher George; Herzke, Dorte; Bustnes, Jan Ove; Krøkje, Åse (Journal article; Peer reviewed, 2014)
      Lipophilic persistent organic pollutants (POPs) are released from fat reserves during fasting, causing increased blood concentrations. Thus, POPs represent a potential anthropogenic stressor during fasting periods. We ...

    • Do levels of per- and polyfluorinated alkylated substances (PFASs) in snow bunting eggs increase with proximity to airports in Svalbard? 

      Kvernland, Pernille (Master thesis, 2017)
      Per- and polyfluorinated alkylated substances (PFASs) are used in a variety of industrial and consumer applications, including polymer materials and in aqueous fire fighting foam (AFFFs). Research over the last 20 years ...

    • Environmental pollutants in the terrestrial and urban environment 2019 

      Heimstad, Eldbjørg Sofie; Moe, Børge; Nygård, Torgeir; Herzke, Dorte; Bohlin-Nizzetto, Pernilla (NILU rapport;, Research report, 2020)
      Samples from the urban terrestrial environment in the Oslo area were analysed for various inorganic and organic environmental pollutants. The selected species were earthworm, fieldfare, sparrowhawk, brown rat, red fox and ...

    • Exposure to oxychlordane is associated with shorter telomeres in arctic breeding kittiwakes 

      Blévin, Pierre; Angelier, Frédéric; Tartu, Sabrina; Ruault, Stéphanie; Bustamante, Paco; Herzke, Dorte; Moe, Børge; Bech, Claus; Gabrielsen, Geir W.; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2016)
      Telomeres are DNA-protein complexes located at the end of chromosomes, which play an important role in maintaining the genomic integrity. Telomeres shorten at each cell division and previous studies have shown that telomere ...

    • Impacts of a warming climate on concentrations of organochlorines in a fasting high arctic marine bird: Direct vs. indirect effects? 

      Bustnes, Jan Ove; Bårdsen, Bård-Jørgen; Moe, Børge; Herzke, Dorte; Ballesteros, Manuel; Fenstad, Anette; Borgå, Katrine; Krogseth, Ingjerd Sunde; Eulaers, Igor; Skogeng, Lovise Pedersen; Gabrielsen, Geir Wing; Hanssen, Sveinn Are (Peer reviewed; Journal article, 2024)
      The present study examined how climate changes may impact the concentrations of lipophilic organochlorines (OCs) in the blood of fasting High Arctic common eiders (Somateria mollissima) during incubation. Polychlorinated ...

    • Integrated exposure assessment of northern goshawk (Accipiter gentilis) nestlings to legacy and emerging organic pollutants using non-destructive samples 

      Briels, Nathalie; Torgersen, Lene Norstrand; Castaño-Ortiz, Jose M.; Løseth, Mari Engvig; Herzke, Dorte; Nygård, Torgeir; Bustnes, Jan Ove; Ciesielski, Tomasz Maciej; Poma, Giulia; Malarvannan, Govindan; Covaci, Adrian; Jaspers, Veerle (Journal article; Peer reviewed, 2019)
      In the present study, concentrations of legacy and emerging contaminants were determined in three non-destructive matrices (plasma, preen oil and body feathers) of northern goshawk (Accipiter gentilis) nestlings. Persistent ...

    • Levels and Potential Immunotoxicity of Perfluoroalkyl and Polyfluoroalkyl Substances (PFASs) in White-Tailed Eagles (Haliaeetus albicilla), Norway 

      Flo, Jørgen (Master thesis, 2016)
      The white-tailed eagle (WTE) is exposed to a wide range of contaminants due to its high trophic position in the marine ecosystem. Perfluoroalkyl and polyfluoroalkyl substances (PFASs) are persistent and bioaccumulative ...

    • Moving forward in microplastic research: A Norwegian perspective 

      Lusher, Amy; Hurley, Rachel; Arp, Hans Peter H; Booth, Andy; Bråte, Inger Lise Nerland; Gabrielsen, Geir W.; Gomiero, Alessio; Gomes, Tania; Grøsvik, Bjørn Einar; Green, Norman; Haave, Marte; Hallanger, Ingeborg G.; Halsband, Claudia; Herzke, Dorte; Joner, Erik J; Kögel, Tanja; Rakkestad, Kirsten; Ranneklev, Sissel Brit; Wagner, Martin; Olsen, Marianne (Peer reviewed; Journal article, 2021)
      Given the increasing attention on the occurrence of microplastics in the environment, and the potential envi-ronmental threats they pose, there is a need for researchers to move quickly from basic understanding to applied ...

    • Per- and polyfluoroalkyl substances in plasma and feathers of nestling birds of prey from northern Norway 

      Gómez-Ramírez, P.; Bustnes, Jan Ove; Eulaers, I; Herzke, Dorte; Johnsen, Trond Vidar; Lepoint, G; Perez-Garcia, JM; García-Fernández, A.J.; Jaspers, Veerle (Journal article; Peer reviewed, 2017)
      Plasma samples from nestlings of two top predators, White‐tailed eagle (Haliaeetus albicilla) and Northern goshawk (Accipiter gentilis) from northern Norway were analysed for a wide range of PFASs. Body feathers from the ...

    • Perfluorinated substances and telomeres in an Arctic seabird: Cross-sectional and longitudinal approaches 

      Blévin, Pierre; Angelier, Frédéric; Tartu, Sabrina; Bustamante, Paco; Herzke, Dorte; Moe, Børge; Bech, Claus; Gabrielsen, Geir Wing; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2017)
      Telomeres are non-coding DNA repeats located at the termini of eukaryotic chromosomes, regulated by dynamic processes balancing shortening and maintenance. Despite a mechanism to slow-down telomere shortening, cell division ...

    • Persistent organic pollutants and organophosphate esters in feathers and blood plasma of adult kittiwakes (Rissa tridactyla) from Svalbard – associations with body condition and thyroid hormones 

      Svendsen, Niels Borup; Herzke, Dorte; Harju, Mikael; Bech, Claus; Gabrielsen, Geir W.; Jaspers, Veerle (Journal article; Peer reviewed, 2018)
      Polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), organochlorine pesticides (OCPs) and organophosphate esters (OPEs) were assessed in blood plasma and feathers of 19 adult black-legged kittiwakes ...

    • Plasma concentrations of organohalogenated contaminants in white-tailed eagle nestlings – The role of age and diet 

      Løseth, Mari Engvig; Briels, Nathalie; Eulaers, Igor; Nygård, Torgeir; Malarvannan, Govindan; Poma, Giulia; Covaci, Adrian; Herzke, Dorte; Bustnes, Jan Ove; Lepoint, Gilles; Jenssen, Bjørn Munro; Jaspers, Veerle (Journal article; Peer reviewed, 2019)
      Concentrations of organohalogenated contaminants (OHCs) can show significant temporal and spatial variation in the environment and wildlife. Most of the variation is due to changes in use and production, but environmental ...

    • A schematic sampling protocol for contaminant monitoring in raptors 

      Espín, Silvia; Andevski, Jovan; Duke, Guy; Eulaers, Igor; Gomez-Ramirez, Pilar; Hallgrimsson, Gunnar Thor; Helander, Björn; Herzke, Dorte; Jaspers, Veerle; Krone, Oliver; Lourenco, Rui; Maria-Mojica, Pedro; Martínez-López, Emma; Mateo, Rafael; Movalli, Paola; Sanchez-Virosta, Pablo; Shore, Richard F.; Sonne, Christian; van den Brink, Nico W.; van Hattum, B.; Vrezec, Al; Wernham, Chris; García-Fernández, Antonio J. (Peer reviewed; Journal article, 2020)
      Birds of prey, owls and falcons are widely used as sentinel species in raptor biomonitoring programmes. A major current challenge is to facilitate large-scale biomonitoring by coordinating contaminant monitoring activities ...

    • Screening new PFAS compounds 2018 

      Hanssen, Linda; Herzke, Dorte; Nikiforov, Vladimir; Moe, Børge; Nygård, Torgeir; van Dijk, Jiska Joanneke; Gabrielsen, Geir W.; Fuglei, Eva; Yeung, Leo; Vogelsang, Christian; Carlsson, Pernilla Marianne (NILU rapport;, Research report, 2019)
      This screening project has focused on the occurrence of conventional andemerging PFASs in terrestrial and marine environments, including the Arctic. Conventional PFASs were found to be wide-spread in the environment and ...