Blar i Bergen Open Research Archive på forfatter "Kögel, Tanja"

Viser treff 1-14 av 14

    • CellSegm - a MATLAB toolbox for high-throughput 3D cell segmentation 

      Hodneland, Erlend; Kögel, Tanja; Frei, Dominik M.; Gerdes, Hans-Hermann; Lundervold, Arvid (Peer reviewed; Journal article, 2013-08-09)
      The application of fluorescence microscopy in cell biology often generates a huge amount of imaging data. Automated whole cell segmentation of such data enables the detection and analysis of individual cells, where a manual ...

    • Co-occurrence of contaminants in marine fish from the North East Atlantic Ocean: Implications for human risk assessment 

      Ho, Quang Tri; Bank, Michael; Mahjour Azad, Atabak; Nilsen, Bente Merete; Frantzen, Sylvia; Boitsov, Stepan; Måge, Amund; Kögel, Tanja; Sanden, Monica; Frøyland, Livar; Hannisdal, Rita; Hove, Helge Torbjørn; Lundebye, Anne-Katrine; Nøstbakken, Ole Jakob; Madsen, Lise (Journal article; Peer reviewed, 2021)
      Marine fish from the North East Atlantic Ocean (NEAO) are nutrient rich and considered a valuable economic resource. However, marine fish are also a major dietary source of several contaminants, including persistent organic ...

    • Current efforts on microplastic monitoring in Arctic fish and how to proceed 

      Kögel, Tanja; Hamilton, Bonnie M.; Granberg, Maria; Provencher, Jennifer F.; Hammer, Sjúrður; Gomiero, Alessio; Magnusson, Kerstin; Lusher, Amy Lorraine (Journal article; Peer reviewed, 2022)
      In this review, we investigated published data on the occurrence of microplastic in Arctic fish, and the suitability of the data and species for risk assessment and monitoring. As of 11.11.2021, we found nine studies in ...

    • An ecosystem-scale litter and microplastics monitoring plan under the Arctic Monitoring and Assessment Programme (AMAP) 

      Provencher, Jennifer; Kögel, Tanja; Lusher, Amy; Vorkamp, Katrin; Gomiero, Alessio; Peeken, Ilka; Granberg, Maria; Hammer, Sjúrður; Baak, Julia; Larsen, Jan Rene; Farmen, Eivind (Journal article; Peer reviewed, 2022)
      Lack of knowledge on levels and trends of litter and microplastics in the Arctic, is limiting our understanding of the sources, transport, fate, and effects is hampering global activities aimed at reducing litter and ...

    • Efficient extraction of small microplastic particles from rat feed and feces for quantification 

      Toto, Benuarda; Refosco, Alice; Dierkes, Jutta; Kögel, Tanja (Journal article; Peer reviewed, 2023)
      To date, microplastic is ubiquitously encountered in the environment. Studies analyzing microplastic in terrestrial ecosystems, including animal feces and feed, are few. Microplastic quantification method validation and ...

    • Future monitoring of litter and microplastics in the Arctic—challenges, opportunities, and strategies 

      Provencher, Jennifer F.; Aliani, Stefano; Bergmann, Melanie; Bourdages, Madelaine; Buhl-Mortensen, Lene; Galgani, Francois; Gomiero, Alessio; Granberg, Maria; Grøsvik, Bjørn Einar; Hamilton, Bonnie M.; Kögel, Tanja; Larsen, Jan René; Lusher, Amy; Mallory, Mark L; Murphy, Peter; Peeken, Ilka; Primpke, Sebastian; Strand, Jakob; Vorkamp, Katrin (Journal article; Peer reviewed, 2022)
      The Arctic Monitoring and Assessment Programme has published a plan and guidelines for the monitoring of litter and microplastics (MP) in the Arctic. Here, we look beyond suggestions for immediate monitoring and discuss ...

    • Intestinal permeability and gene expression after polyethylene and polyamide microplastic ingestion in Wistar rats 

      Toto, Benuarda; Refosco, Alice; O'Keeffe, Maria; Barkhald, Øyvind Halås; Brønstad, Aurora Margrethe; Lied, Gülen Arslan; Yadetie, Fekadu; Goksøyr, Anders; Kögel, Tanja; Dierkes, Jutta (Journal article; Peer reviewed, 2022)
      Microplastic particles are ubiquitous in the environment. However, little is known about their uptake and effects in humans or mammalian model organisms. Here, we studied the effects of pristine polyamide (15–20 µm) and ...

    • Microplastics in arctic invertebrates- Status on occurrence and recommendations for future monitoring 

      Grøsvik, Bjørn Einar; Granberg, Maria E.; Kögel, Tanja; Lusher, Amy; Gomiero, Alessio; Halldorsson, Halldor P.; Madsen, Alexander Klevedal; Baak, Julia E.; Guls, Hermann Dreki; Magnusson, Kerstin (Journal article; Peer reviewed, 2022)
      Few studies have been published on occurrence and distribution on microplastics (MPs) in invertebrates from the Arctic. We still need to develop harmonised methods to enable good comparison between studies taking into ...

    • Monitoring of microplastic pollution in the Arctic: Recent developments in polymer identification, quality assurance and control (QA/QC), and data reporting 

      Primpke, Sebastian; Booth, Andy; Gerdts, Gunnar; Gomiero, Alessio; Kögel, Tanja; Lusher, Amy Lorraine; Strand, Jakob; Scholz-Böttcher, Barbara; Galgani, Francois; Provencher, Jennifer F; Aliani, Stefano; Patankar, Shreyas; Vorkamp, Katrin (Journal article; Peer reviewed, 2022)
      The pollution of the environment with plastics is of growing concern worldwide, including the Arctic region. While larger plastic pieces are a visible pollution issue, smaller microplastics are not visible with the naked ...

    • 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 (Journal article; Peer reviewed, 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 ...

    • Novel microscopy-based screening method reveals regulators of contact-dependent intercellular transfer 

      Frei, Dominik Michael; Hodneland, Erlend; Rios-Mondragon, Ivan; Burtey, Anne Pierrette; Neumann, B; Bulkescher, Jutta; Schölermann, Julia; Pepperkok, Rainer; Gerdes, Hans-Hermann; Kögel, Tanja (Peer reviewed; Journal article, 2015-08-14)
      Contact-dependent intercellular transfer (codeIT) of cellular constituents can have functional consequences for recipient cells, such as enhanced survival and drug resistance. Pathogenic viruses, prions and bacteria can ...

    • Polystyrene nanoplastics enhance the toxicological effects of DDE in zebrafish (Danio rerio) larvae 

      Varshney, Shubham; Gora, Adnan Hussain; Viswanath, Kiron; Siriyappagouder, Prabhugouda; Dahle, Dalia; Kögel, Tanja; Ørnsrud, Robin; Olsvik, Pål Asgeir (Journal article; Peer reviewed, 2023)
      Anthropogenic releases of plastics, persistent organic pollutants (POPs), and heavy metals can impact the environment, including aquatic ecosystems. Nanoplastics (NPs) have recently emerged as pervasive environmental ...

    • Promoting deep learning in a constructively aligned system approach in a course in biomedical nutrition physiology 

      Kögel, Tanja (UPED-skrift, Working paper, 2018)
      The discussed consists of several modules, teaching students the basic principles of biomedical nutrition physiology. This is achieved by a combination of background knowledge lecturing, critical reading of relevant ...

    • Roles of Myosin Va and Rab3D in Membrane Remodeling of Immature Secretory Granules 

      Kögel, Tanja; Gerdes, Hans-Hermann (Peer reviewed; Journal article, 2010-12-22)
      Neuroendocrine secretory granules (SGs) are formed at the trans-Golgi network (TGN) as immature intermediates. In PC12 cells, these immature SGs (ISGs) are transported within seconds to the cell cortex, where they move ...