Browsing Det matematisk-naturvitenskapelige fakultet by Title

Now showing items 735-754 of 838

  • The effects of hydrogenation on the properties of heavy ion irradiated β-Ga2O3 
    Polyakov, A.Y.; Kuznetsov, Andrej; Azarov, Alexander; Miakonkikh, A.V.; Chernykh, A.V.; Vasilev, A.A.; Shchemerov, I.V.; Kochkova, A.I.; Matros, N.R.; Pearton, S.J. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
    Defects created in lightly Sn-doped (2 × 1016 cm−3) (010)-oriented bulk β-Ga2O3 implanted with 1.2 MeV, 3 × 1015 cm−2 197Au+ ions before and after treatment in hydrogen plasmas at 330 °C were studied by X-ray measurements, ...
  • The evolving energy budget of experimental faults within continental crust: Insights from in situ dynamic X-ray microtomography 
    McBeck, Jessica Ann; Cordonnier, Benoit; Mair, Karen; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    We investigate the evolving distribution of strain produced by a sliding fault within intact crystalline rock, and the energetics of deformation that occur both on- and off-fault. We slid precut faults of differing roughness ...
  • The Fe addition as an effective treatment for improving the radiation resistance of fcc NixFe1-x single-crystal alloys 
    Wyszkowska, E.; Mieszczynski, C.; Kurpaska, L.; Azarov, Alexander; Chromiński, W.; Jóźwik, I.; Esfandiarpour, A.; Kosińska, A.; Kalita, D.; Diduszko, R.; Jagielski, J.; Nori, S.T.; Alava, M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    In this work, five different compositions of fcc Ni and NixFe1-x single crystal alloys namely Ni, Ni0.88Fe0.12, Ni0.77Fe0.23, Ni0.62Fe0.38, Ni0.38Fe0.62 were irradiated by 1.5 MeV 58Ni ions at room temperature in a wide ...
  • The Genetic Architecture of Amygdala Nuclei 
    Mufford, Mary S.; van der Meer, Dennis; Kaufmann, Tobias Herbert; Frei, Oleksandr; Ramesar, Raj; Thompson, Paul M.; Jahanshad, Neda; Morey, Rajendra A.; Andreassen, Ole; Stein, Dan J.; Dalvie, Shareefa (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Background Whereas genetic variants influencing total amygdala volume have been identified, the genetic architecture of its distinct nuclei has yet to be explored. We aimed to investigate whether increased phenotypic ...
  • The genetic architecture of the human thalamus and its overlap with ten common brain disorders 
    Elvsåshagen, Torbjørn; Shadrin, Alexey; Frei, Oleksandr; van der Meer, Dennis; Bahrami, Shahram; Kumar, Vinod J.; Smeland, Olav Bjerkehagen; Westlye, Lars T.; Andreassen, Ole A.; Kaufmann, Tobias (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract The thalamus is a vital communication hub in the center of the brain and consists of distinct nuclei critical for consciousness and higher-order cortical functions. Structural and functional thalamic alterations ...
  • The genetic history of Scandinavia from the Roman Iron Age to the present 
    Rodriguez-Varela, Ricardo; Moore, Kristjan H.S.; Ebenesersdottir, Sunna; Kilinc, Gulsah; Kjellström, Anna; Papmehl-Dufay, Ludvig; Alfsdotter, Clara; Berglund, Birgitta; Alrawi, Loey; Kashuba, Natlija; Sobrado, Veronica; Lagerholm, Vendela Kempe; Gilbert, Edmund; Cavalleri, Gianpiero L.; Hovig, Eivind; Kockum, Ingrid; Olsson, Tomas; Alfredsson, Lars; Hansen, Thomas F.; Werge, Thomas; Munters, Arielle R.; Bernhardsson, Carolina; Skar, Birgitte; Christophersen, Axel; Turner-Walker, Gordon; Gopalakrishnan, Shyam; Daskalaki, Evangelia; Omrak, Ayca; Perez-Ramallo, Patxi; Skoglund, Pontus; Girdland-Flink, Linus; Gunnarsson, Fredrik; Hedenstierna-Jonson, Charlotte; Gilbert, Marcus Thomas Pius; Lidén, Kerstin; Jakobsson, Mattias; Einarsson, Lars Petter; Victor, Helena; Krzewinska, Maja; Zachrisson, Torun; Storå, Jan; Stefánsson, Kári; Helgason, Agnar; Götherström, Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We investigate a 2,000-year genetic transect through Scandinavia spanning the Iron Age to the present, based on 48 new and 249 published ancient genomes and genotypes from 16,638 modern individuals. We find regional variation ...
  • The genetic structure of Norway 
    Mattingsdal, Morten; Ebenesersdóttir, Sigríður Sunna; Moore, Kristjan H. S.; Andreassen, Ole Andreas; Hansen, Thomas F.; Werge, Thomas; Kockum, Ingrid; Olsson, Tomas; Alfredsson, Lars; Helgason, Agnar; Stefánsson, Kári; Hovig, Johannes Eivind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract The aim of the present study was to describe the genetic structure of the Norwegian population using genotypes from 6369 unrelated individuals with detailed information about places of residence. Using standard ...
  • The Genome of the Great Gerbil Reveals Species-Specific Duplication of an MHCII Gene 
    Nilsson, Pernille; Solbakken, Monica Hongrø; Schmid, Boris Valentijn; Orr, Russell; Lv, Ruichen; Cui, Yujun; Song, Yajun; Zhang, Yujiang; Baalsrud, Helle Tessand; Tørresen, Ole K.; Stenseth, Nils Christian; Yang, Ruifu; Jakobsen, Kjetill Sigurd; Easterday, William Ryan; Jentoft, Sissel (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Abstract The great gerbil (Rhombomys opimus) is a social rodent living in permanent, complex burrow systems distributed throughout Central Asia, where it serves as the main host of several important vector-borne ...
  • The heterogeneous nucleation of threading dislocations on partial dislocations in III-nitride epilayers 
    Smalc-Koziorοwska, Julita; Moneta, J.; Chatzopoulou, P.; Vasileiadis, I.G.; Bazioti, Kalliopi; Prytz, Øystein; Belabbas, I.; Komninou, Ph.; Dimitrakopulos, G.P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Abstract III-nitride compound semiconductors are breakthrough materials regarding device applications. However, their heterostructures suffer from very high threading dislocation (TD) densities that impair several aspects ...
  • The Impact of Different Hydrogen Configurations on Light- and Elevated-Temperature- Induced Degradation 
    Hammann, Benjamin; Assmann, Nicole; Weiser, Philip Michael; Kwapil, Wolfram; Niewelt, Tim; Schindler, Florian; Søndenå, Rune; Monakhov, Eduard; Schubert, Martin C. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    In this article, the impact of different hydrogen configurations and their evolution on the extent and kinetics of light- and elevated-temperature-induced degradation (LeTID) is investigated in float-zone silicon via charge ...
  • The Influence of Confining Pressure and Preexisting Damage on Strain Localization in Fluid-Saturated Crystalline Rocks in the Upper Crust 
    McBeck, Jessica Ann; Cordonnier, Benoit; Ben-Zion, Yehuda; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
    The spatial organization of deformation may provide key information about the timing of catastrophic failure in the brittle regime. In an ideal homogenous system, deformation may continually localize toward macroscopic ...
  • The influence of spatial resolution and noise on fracture network properties calculated from X-ray microtomography data 
    McBeck, Jessica Ann; Cordonnier, B.; Renard, F. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    Rock deformation experiments performed at X-ray synchrotrons provide unique insights into the nature of fracture network development. However, these insights depend on the limitations of the X-ray tomography data. Here, ...
  • The long-term legacy of subvolcanic intrusions on fluid migration in sedimentary basins: The Cerro Alquitrán case study, northern Neuquén Basin, Argentina 
    Galland, Olivier; Villar, Héctor J.; Mescua, José; Jerram, Dougal Alexander; Midtkandal, Ivar; Palma, J. Octavio; Planke, Sverre; Zanella, Alain (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Cooling subvolcanic igneous intrusions are known to have a substantial impact on fluid flow in the shallow Earth's crust, for example activation of geothermal systems, circulation of mineralized fluids in ore ...
  • The Mammalian Cysteine Protease Legumain in Health and Disease 
    Solberg, Rigmor; Lunde, Ngoc Nguyen; Forbord, Karl Martin Frøseth; Okla, Meshail; Kassem, Moustapha; Jafari, Abbas (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    The cysteine protease legumain (also known as asparaginyl endopeptidase or δ-secretase) is the only known mammalian asparaginyl endopeptidase and is primarily localized to the endolysosomal system, although it is also found ...
  • The mixology of precursory strain partitioning approaching brittle failure in rocks 
    McBeck, Jessica Ann; Ben-Zion, Yehuda; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    SUMMARY We examine the strain accumulation and localization process throughout 12 triaxial compression experiments on six rock types deformed in an X-ray transparent apparatus. In each experiment, we acquire ...
  • The Neonicotinoid Imidacloprid Impairs Learning, Locomotor Activity Levels, and Sucrose Solution Consumption in Bumblebees (Bombus terrestris) 
    Paus-Knudsen, Julie Sørlie; Sveinsson, Henrik Andersen; Grung, Merete; Borgå, Katrine; Nielsen, Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Bumblebees carry out the complex task of foraging to provide for their colonies. They also conduct pollination, an ecosystem service of high importance to both wild plants and entomophilous crops. Insecticides can alter ...
  • The population genomic legacy of the second plague pandemic 
    Gopalakrishnan, Shyam; Ebenesersdottir, S.Sunna; Lundstrøm, Inge K.C.; Turner-Walker, Gordon; Moore, Kristjan H.S.; Luisi, Pierre; Magaryan, Ashot; Martin, Michael D.; Ellegaard, Martin Rene; Magnusson, Olafur T.; Sigurdsson, Asgeir; Snorradóttir, Steinunn; Magnúsdóttir, Droplaug N.; Laffoon, Jason E.; van Dorp, Lucy; Liu, Xiaodong; Moltke, Ida; Avila-Arcos, María C.; Schraiber, Joshua G.; Rasmussen, Simon; Juan, David; Galabert, Pere; De-Dios, Toni; Fotakis, Anna K.; Iraeta-Orbegozo, Miren; Vågene, Åshild J.; Denham, Sean Dexter; Christophersen, Axel; Stenøien, Hans K.; Vieira, Filipe G.; Liu, Shanlin; Günther, Torsten; Kivisild, Toomas; Moseng, Ole Georg; Skar, Birgitte; Cheung, Christina; Sandoval-Velasco, Marcela; Wales, Nathan; Schroeder, Hannes; Campos, Paula F.; Gudmundsdottir, Valdis B; Sicheritz - Ponten, Thomas; Petersen, Bent; Halgunset, Jostein; Gilbert, Edmund; Cavalleri, Gianpiero L.; Hovig, Eivind; Kockum, Ingrid; Olsson, Tomas; Alfredsson, Lars; Hansen, Thomas F.; Werge, Thomas; Willerslev, Eske; Balloux, Francois; Marquès-Bonet, Tomás; Lalueza-Fox, Carles; Nielsen, Rasmus; Stefánsson, Kári; Helgason, Agnar; Gilbert, Thomas P. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Human populations have been shaped by catastrophes that may have left long-lasting signatures in their genomes. One notable example is the second plague pandemic that entered Europe in ca. 1,347 CE and repeatedly returned ...
  • The preservation of ancient DNA in archaeological fish bone 
    Ferrari, Giada; Cuevas, Angelica; Gondek, Agata; Ballantyne, Rachel; Kersten, Oliver; Palsdottir, Albina Hulda; van der Jagt, Inge; Hufthammer, Anne Karin; Ystgaard, Ingrid; Wickler, Stephen; Bigelow, Gerald F; Harland, Jennifer; Nicholson, Rebecca; Orton, David; Clavel, Benoît; Boessenkool, Sanne; Barrett, James H; Star, Bastiaan (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The field of ancient DNA is dominated by studies focusing on terrestrial vertebrates. This taxonomic bias limits our understanding of endogenous DNA preservation for species with different bone physiology, such as teleost ...
  • The quandary of dna-based treatment assessment in de novo metastatic prostate cancer in the era of precision oncology 
    Nakken, Sigve; Lilleby, Wolfgang; Switlyk, Marta Daniela; Knudsen, Karen E.; Lilleby, Oscar; Zhao, Sen; Kaveh, Fatemeh; Ekstrøm, Per O.; Urbanucci, Alfonso; Hovig, Eivind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Guidelines for genetic testing have been established for multiple tumor types, frequently indicating the most confident molecularly targeted treatment options. However, considering the often-complex presentation of individual ...
  • The Reactivity of Multidentate Schiff Base Ligands Derived from Bi- and Terphenyl Polyamines towards M(II) (M=Ni, Cu, Zn, Cd) and M(III) (M=Co, Y, Lu) 
    Hylland, Knut Tormodssønn; Gerz, Isabelle; Wragg, David Stephen; Øien-Ødegaard, Sigurd; Tilset, Mats (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Multidentate Schiff base ligands derived from a selection of biphenyl- and terphenyl polyamines were synthesized, and their reactivity towards divalent (Ni, Cu, Zn, Cd) and trivalent (Co, Y, Lu) metals was studied by ...