Blar i Bergen Open Research Archive på tittel

Viser treff 35-54 av 34095

    • 20th century Betula pubescens subsp. czerepanovii tree- and forest lines in Norway 

      Bryn, Anders; Potthoff, Kerstin (Peer reviewed; Journal article, 2017-11-23)
      Background: Georeferenced tree- and forest line data has a wide range of applications and are increasingly used for e.g. monitoring of climate change impacts and range shift modelling. As part of a research project, ...

    • 21-Hydroxylase-Specific CD8+ T Cells in Autoimmune Addison’s Disease Are Restricted by HLA-A2 and HLA-C7 Molecules 

      Hellesen, Alexander; Aslaksen, Sigrid; Breivik, Lars Ertesvåg; Røyrvik, Ellen Christine; Bruserud, Øyvind; Edvardsen, Kine Susann Waade; Brokstad, Karl Albert; Wolff, Anette Susanne Bøe; Husebye, Eystein Sverre; Bratland, Eirik (Journal article; Peer reviewed, 2021)
      Objectives: CD8+ T cells targeting 21-hydroxylase (21OH) are presumed to play a central role in the destruction of adrenocortical cells in autoimmune Addison’s disease (AAD). Earlier reports have suggested two immunodominant ...

    • 230Th Normalization: New Insights on an Essential Tool for Quantifying Sedimentary Fluxes in the Modern and Quaternary Ocean 

      Costa, Kassandra M.; Hayes, Christopher T.; Anderson, Robert F.; Pavia, Frank J.; Bausch, Alexandra; Deng, Feifei; Dutay, Jean-Claude; Geibert, Walter; Heinze, Christoph; Henderson, Gideon M.; Hillaire-Marcel, Claude; Hoffmann, Sharon; Jaccard, Samuel L.; Jacobel, Allison W.; Kienast, Stephanie S.; Kipp, Lauren; Lerner, Paul; Lippold, Jörg; Lund, David; Marcantonio, Franco; McGee, David; McManus, Jerry F.; Mekik, Figen; Middleton, Jennifer L.; Missiaen, Lise; Not, Christelle; Pichat, Sylvain; Robinson, Laura F.; Rowland, George H.; Roy‐Barman, Matthieu; Tagliabue, Alessandro; Torfstein, Adi; Winckler, Gisela; Zhou, Yuxin (Journal article; Peer reviewed, 2020-01)
      230Th normalization is a valuable paleoceanographic tool for reconstructing high‐resolution sediment fluxes during the late Pleistocene (last ~500,000 years). As its application has expanded to ever more diverse marine ...

    • A 24,000-year ancient DNA and pollen record from the Polar Urals reveals temporal dynamics of arctic and boreal plant communities 

      Clarke, Charlotte L.; Alsos, Inger Greve; Edwards, Mary E.; Paus, Aage; Gielly, Ludovic; Haflidason, Haflidi; Mangerud, Jan; Regnéll, Carl; Hughes, Paul D.M.; Svendsen, John-Inge; Bjune, Anne Elisabeth (Journal article; Peer reviewed, 2020)
      A 24,000-year record of plant community dynamics, based on pollen and ancient DNA from the sediments (sedaDNA) of Lake Bolshoye Shchuchye in the Polar Ural Mountains, provides detailed information on the flora of the Last ...

    • 24-Month HIV-free survival among HIV-exposed Infants in Lesotho: the PEAWIL cohort study 

      Tukei, Vincent; Machekano, Rhoderick; Gill, Michelle; Tiam, Appolinaire; Mokone, Majoalane; Isavwa, Anthony; Nyabela, Malijane; Mots’oane, Tsietso; Nchephe, Seipati; Letsie, Mosilinyane; Kassaye, Seble G.; Guay, Laura (Journal article; Peer reviewed, 2020)
      Introduction Following the implementation of the provision of lifelong antiretroviral therapy to all HIV-positive pregnant or breastfeeding women for prevention of mother-to-child transmission (PMTCT) of HIV by the Kingdom ...

    • 25-hydroxy-vitamin D concentration is not affected by severe or non-severe pneumonia, or inflammation, in young children 

      Haugen, Johanne; Chandyo, Ram Krishna; Ulak, Manjeswori; Mathisen, Maria; Basnet, Sudha; Brokstad, Karl Albert; Valentiner-Branth, Palle; Shrestha, Prakash S.; Strand, Tor A (Peer reviewed; Journal article, 2017-01-17)
      Poor vitamin D status has been associated with increased risk and severity of respiratory tract infections. Whether or not inflammation and infection affects 25-hydroxy vitamin D (25(OH)D) concentration is controversial ...

    • 25-year results after anterior cruciate ligament reconstruction with the use of a patellar tendon autograft 

      Lindanger, Line (Doctoral thesis, 2022-06-17)
      Background: Only a few studies of ACL reconstruction with >20 years of follow-up exists. It is still a pause in the literature concerning the patient’s further sports participation and long-term subjective and objective ...

    • 2D and 3D U-Nets for skull stripping in a large and heterogeneous set of head MRI using fastai 

      Kaliyugarasan, Satheshkumar; Kocinski, Marek; Lundervold, Arvid; Lundervold, Alexander Selvikvåg (Journal article, 2020)
      Skull stripping in brain imaging is the removal of the parts of images corresponding to non-brain tissue. Fast and accurate skull stripping is a crucial step for numerous medical brain imaging applications, e.g. registration, ...

    • A 3-D numerical model of the influence of meanders on groundwater discharge to a gaining stream in an unconfined sandy aquifer 

      Balbarini, Nicola; Boon, Wietse; Nicolajsen, Ellen; Nordbotten, Jan Martin; Bjerg, Poul L.; Binning, Philip J. (Journal article, 2017)
      Groundwater discharge to streams depends on stream morphology and groundwater flow direction, but are not always well understood. Here a 3-D groundwater flow model is employed to investigate the impact of meandering stream ...

    • A 3-D post-mortem model provides rationale for complications in gastrointestinal surgery : a post-mortem corrosion-cast model 

      Ignjatovic, Dejan (Doctoral thesis, 2007-06-08)

    • 3-D seismic images of an extensive igneous sill in the lower crust 

      Wrona, Thilo; Magee, Craig; Fossen, Haakon; Gawthorpe, Rob; Bell, Rebecca E.; Jackson, Christopher Aiden Lee; Faleide, Jan Inge (Peer reviewed; Journal article, 2019-05-31)
      When continents rift, magmatism can produce large volumes of melt that migrate upwards from deep below the Earth’s surface. To understand how magmatism impacts rifting, it is critical to understand how much melt is generated ...

    • The 30 June 2017 North Sea Earthquake: Location, Characteristics, and Context 

      Jerkins, Annie; Shiddiqi, Hasbi Ash; Kværna, Tormod; Gibbons, Steven John; Schweitzer, Johannes; Ottemöller, Lars; Bungum, Hilmar (Journal article; Peer reviewed, 2020)
      The Mw 4.5 southern Viking graben earthquake on 30 June 2017 was one of the largest seismic events in the Norwegian part of the North Sea during the last century. It was well recorded on surrounding broadband seismic ...

    • 30,000 years of landscape and vegetation dynamics in a mid-elevation Andean valley 

      McMichael, Chrystal; Witteveen, Nina; Scholz, Simon; Zwier, Maaike; Prins, Maarten; Lougheed, Bryan C.; Mothes, Patricia; Gosling, William D. (Journal article; Peer reviewed, 2021)
      The mid-elevation settings of the Andes are important biodiversity hotspots, yet little is known of their long-term ecology or environmental change. Here, we assess 30,000 years of landscape and vegetation dynamics on an ...

    • 31P solid-state NMR on skeletal muscle of wild and farmed Atlantic salmon 

      Totland, Christian; Steinkopf, Signe Lilia; Storhaug, Lisa Tu; Seland, John Georg; Nerdal, Willy (Journal article; Peer reviewed, 2022)
      Over the past 50 years, 31P NMR has proven a powerful tool for obtaining information on cellular biochemistry. Here we use this technique for the first time to study intracellular phosphorous metabolites in skeletal muscle ...

    • A 38,000-year-old carving from Grotte des Gorges, Amange, Jura, France 

      d'Errico, Francesco; David, Serge; Coqueugniot, Hélène; Meister, Christian; Dutkiewicz, Ewa; Pigeaud, Romain; Sitzia, Luca; Cailhol, Didier; Bosq, Mathieu; Griggo, Christophe; Affolter, Jehanne; Queffelec, Alain; Doyon, Luc (Journal article; Peer reviewed, 2023)
      The earliest European carvings, made of mammoth ivory, depict animals, humans, and anthropomorphs. They are found at Early Aurignacian sites of the Swabian Jura in Germany. Despite the wide geographical spread of the ...

    • A 39,600-year-old leather punch board from Canyars, Gavà, Spain 

      Doyon, Luc; Faure, T; Sanz, M; Daura, J; Cassard, Laura; d'Errico, Francesco (Journal article; Peer reviewed, 2023)
      Puncture alignments are found on Palaeolithic carvings, pendants, and other fully shaped osseous artifacts. These marks were interpreted as abstract decorations, system of notations, and features present on human and animal ...

    • A 3D computational study of effective medium methods applied to fractured media 

      Sævik, Pål Næverlid; Berre, Inga; Jakobsen, Morten; Lien, Martha (Peer reviewed; Journal article, 2013-10)
      This work evaluates and improves upon existing effective medium methods for permeability upscaling in fractured media. Specifically, we are concerned with the asymmetric self-consistent, symmetric self-consistent, and ...

    • 3D dynamic culture of mesenchymal stem cells under fluid flow : Implications for bone regeneration 

      Yamada, Shuntaro (Doctoral thesis, 2023-10-06)
      Skjebnen og veksten til mesenkymale stamceller (MSC) kan påvirkes av biologiske stimuli. I benvev regnes skjærspenning fra væske forårsaket av interstitiell væskestrøm som den primære mekaniske stimulien på celleplan, som ...

    • 3D mechanical and thermal analysis of an Aluminium piston for a high-speed Diesel laboratory engine 

      Haugland, Steinar Søvde (Master thesis, 2018-06-22)
      A cast aluminium piston of a single cylinder Petter Diesel engine is modelled using the finite element method. The engine is intended to be supercharged, which will increase the thermal loading on the piston, and so the ...

    • 3D modelling and interpretation of depositional elements in the Aspelintoppen Formation, Spitsbergen, Svalbard, a facies analysis 

      Bøgh, Anna Rebecca Dyrlev (Master thesis, 2021-07-03)
      The Aspelintoppen Formation is the youngest formation in the Central Tertiary Basin, a foreland basin in Spitsbergen. It comprises an up to 1000 m thick succession of near-coastal to continental deposits. Due to the high ...