Now showing items 1-20 of 3169

    • The 100,000–77,000‑Year Old Middle Stone Age Micromammal Sequence from Blombos Cave, South Africa: Local Climatic Stability or a Tale of Predator Bias? 

      Nel, Turid Hillestad; Henshilwood, Christopher Stuart (Journal article; Peer reviewed, 2021)
      In this paper, we present a case study of the micromammal sequence from Marine Isotope Stage 5 (130,000–71,000 YBP) at Blombos Cave on the southern Cape coast of South Africa. Our analyses of the micromammal assemblage ...
    • The 11 year solar cycle UV irradiance effect and its dependency on the Pacific Decadal Oscillation 

      Guttu, Sigmund; Orsolini, Yvan J.; Stordal, Frode; Otterå, Odd Helge; Omrani, Nour-Eddine (Journal article; Peer reviewed, 2021)
      The stratospheric, tropospheric and surface impacts from the 11 year ultraviolet solar spectral irradiance (SSI) variability have been extensively studied using climate models and observations. Here, we demonstrate using ...
    • 18-24-month HIV-free survival as measurement of the effectiveness of prevention of mother-to-child transmission in the context of lifelong antiretroviral therapy: Results of a community-based survey 

      Tiam, Appolinaire; Gill, Michelle; Machekano, Rhoderick; Tukei, Vincent; Mokone, Majoalane; Viana, Shannon; Letsie, Mosilinyane; Tsietso, Mots'Oane; Seipati, Irene; Khachane, Cecilia; Nei, Marethabile; Mohai, Florence; Tylleskär, Thorkild; Guay, Laura (Journal article; Peer reviewed, 2020)
      Introduction Population-based HIV-free survival at 18–24 months of age among HIV-exposed infants in high prevalence settings in the era of treatment for all is largely unknown. We conducted a community-based survey to ...
    • 1q21.1 distal copy number variants are associated with cerebral and cognitive alterations in humans 

      Sønderby, Ida Elken; van der Meer, Dennis; Moreau, Clara; Kaufmann, Tobias; Walters, G. Bragi; Ellegaard, Maria; Abdellaoui, Abdel; Ames, David; Amunts, Katrin; Andersson, Micael; Armstrong, Nicola J.; Bernard, Manon; Blackburn, Nicholas B.; Blangero, John; Boomsma, Dorret I.; Brodaty, Henry; Brouwer, Rachel M.; Bülow, Robin; Bøen, Rune; Cahn, Wiepke; Calhoun, Vince D.; Caspers, Svenja; Ching, Christopher R. K.; Cichon, Sven; Ciufolini, Simone; Crespo-Facorro, Benedicto; Curran, Joanne E.; Dale, Anders M.; Dalvie, Shareefa; Dazzan, Paola; de Geus, Eco J. C.; Zubicaray, Greig I. de; Zwarte, Sonja M. C. de; Desrivieres, Sylvane; Doherty, Joanne L.; Donohoe, Gary; Draganski, Bogdan; Ehrlich, Stefan; Eising, Else; Espeseth, Thomas; Fejgin, Kim; Fisher, Simon E.; Fladby, Tormod; Frei, Oleksandr; Frouin, Vincent; Fukunaga, Masaki; Gareau, Thomas; Ge, Tian; Glahn, David C.; Grabe, Hans J.; Groenewold, Nynke A.; Gustafsson, Omar; Haavik, Jan; Haberg, Asta Kristine; Hall, Jeremy; Hashimoto, Ryota; Hehir-Kwa, Jayne Y.; Hibar, Derrek P.; Hillegers, Manon H. J.; Hoffmann, Per; Holleran, Laurena; Holmes, Avram J.; Johansson, Stefan; Jönsson, Erik Gunnar; Hellard, Stephanie Francoise Claire Le; Lundervold, Arvid; Lundervold, Astri J.; Moberget, Torgeir; Nordvik, Jan Egil; Sando, Sigrid Botne; Steen, Vidar Martin; Tamnes, Christian Krog; Agartz, Ingrid; Djurovic, Srdjan; Westlye, Lars Tjelta; Andreassen, Ole; Homuth, Georg; Hottenga, Jouke-Jan; Hulshoff Pol, Hilleke E.; Ikeda, Masashi; Jahanshad, Neda; Jockwitz, Christiane; Jørgensen, Niklas R.; Kikuchi, Masataka; Knowles, Emma E. M.; Kumar, Kuldeep; Leu, Costin; Linden, David E. J.; Liu, Jingyu; Maillard, Anne M.; Martin, Nicholas G.; Martin-Brevet, Sandra; Mather, Karen A.; Mathias, Samuel R.; McMahon, Katie L.; McRae, Allan F.; Medland, Sarah E.; Meyer-Lindenberg, Andreas; Modenato, Claudia; Monereo Sánchez, Jennifer; Morris, Derek W.; Mühleisen, Thomas W.; Murray, Robin M.; Nielsen, Jacob; Nyberg, Lars; Olde Loohuis, Loes M.; Ophoff, Roel A.; Owen, Michael J.; Paus, Tomas; Pausova, Zdenka; Peralta, Juan M.; Pike, G. Bruce; Prieto, Carlos; Quinlan, Erin B.; Reinbold, Céline S.; Reis Marques, Tiago; Rucker, James J. H.; Sachdev, Perminder S.; Schofield, Peter R.; Schork, Andrew J.; Schumann, Gunter; Shin, Jean; Shumskaya, Elena; Silva, Ana I.; Sisodiya, Sanjay M.; Stein, Dan J.; Strike, Lachlan T.; Suzuki, Ikuo K.; Teumer, Alexander; Thalamuthu, Anbupalam; Tordesillas-Gutiérrez, Diana; Uhlmann, Anne; Ulfarsson, Magnus O.; van ‘t Ent, Dennis; van den Bree, Marianne B. M.; Vanderhaeghen, Pierre; Vassos, Evangelos; Wen, Wei; Wittfeld, Katharina; Wright, Margaret J.; Stefansson, Hreinn; Stefansson, Kari; Jacquemont, Sébastien; Thompson, Paul M. (Journal article; Peer reviewed, 2021)
      Low-frequency 1q21.1 distal deletion and duplication copy number variant (CNV) carriers are predisposed to multiple neurodevelopmental disorders, including schizophrenia, autism and intellectual disability. Human carriers ...
    • A (2 + ε)-Factor Approximation Algorithm for Split Vertex Deletion 

      Lokshtanov, Daniel; Misra, Pranabendu; Panolan, Fahad; Philip, Geevarghese; Saurabh, Saket (Journal article; Peer reviewed, 2020)
      In the Split Vertex Deletion (SVD) problem, the input is an n-vertex undirected graph G and a weight function w: V(G) → ℕ, and the objective is to find a minimum weight subset S of vertices such that G-S is a split graph ...
    • 2.5-fold increased risk of recurrent acute myocardial infarction with familial hypercholesterolemia 

      Svendsen, Karianne; Krogh, Henriette Walaas; Igland, Jannicke; Tell, Grethe S.; Mundal, Liv J.; Holven, Kirsten Bjørklund; Bogsrud, Martin P.; Leren, Trond P.; Retterstøl, Kjetil (Journal article; Peer reviewed, 2021)
      Background and aims A first-time acute myocardial infarction (AMI) is a severe diagnosis that leads to initiation or intensification of lipid-lowering medication to prevent recurrent events. Individuals with familial ...
    • The 2019 local and regional elections in Norway: The periphery strikes again 

      Stein, Jonas; Folkestad, Bjarte; Christensen, Dag Arne; Aars, Jacob (Journal article; Peer reviewed, 2020)
      The 2019 local and regional elections in Norway took place against the backdrop of a historical local and regional amalgamation reform initiated by the Conservative-led government in 2014. We find six key outcomes from ...
    • 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 ...
    • 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, ...
    • 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 ...
    • A 3D-1D coupled blood flow and oxygen transport model to generate microvascular networks 

      Köppl, Tobias; Vidotto, Ettore; Wohlmuth, Barbara (Journal article; Peer reviewed, 2020)
      In this work, we introduce an algorithmic approach to generate microvascular networks starting from larger vessels that can be reconstructed without noticeable segmentation errors. Contrary to larger vessels, the reconstruction ...
    • The 3rd AGILE Terrestrial Gamma Ray Flash Catalog. Part I: Association to Lightning Sferics 

      Lindanger, Anders; Marisaldi, Martino; Maiorana, Carolina; Sarria, David; Albrechtsen, Kjetil; Østgaard, Nikolai; Galli, M.; Ursi, Alessandro; Labanti, C.; Tavani, Marco; Pittori, C.; Verrecchia, F. (Journal article; Peer reviewed, 2020)
      We present a complete and systematic search for terrestrial gamma-ray flashes (TGFs), detected by AGILE, that are associated with radio sferics detected by the World Wide Lightning Location Network (WWLLN) in the period ...
    • The 3rd AGILE Terrestrial Gamma-ray Flashes Catalog. Part II: Optimized Selection Criteria and Characteristics of the New Sample 

      Maiorana, Carolina; Marisaldi, Martino; Lindanger, Anders; Østgaard, Nikolai; Ursi, Alessandro; Sarria, David; Galli, M.; Labanti, C.; Tavani, Marco; Pittori, C.; Verrecchia, F. (Journal article; Peer reviewed, 2020)
      We present in this work the third catalog of terrestrial gamma-ray flashes (TGFs) by the AGILE mission and the new search algorithm that was developed to produce it. We firstly introduce the new selection criteria, designed ...
    • A 4.5 Year‐Long Record of Svalbard Water Vapor Isotopic Composition Documents Winter Air Mass Origin 

      Steen-Larsen, Hans Christian (Journal article; Peer reviewed, 2020)
      From May 2014 to September 2018, a laser spectrometer analyzer provided a 4.5 years continuous record of water vapor isotopic composition at Ny-Ålesund (8 m above sea level, a.s.l.), Svalbard. It corresponds to the longest ...
    • 4D seismic history matching: Assessing the use of a dictionary learning based sparse representation method 

      Soares, Ricardo; Luo, Xiaodong; Evensen, Geir; Bhakta, Tuhin (Journal article; Peer reviewed, 2020-12)
      It is possible to improve oil-reservoir simulation models by conditioning them on 4D seismic data. Computational issues may arise related to both storage and CPU time due to the size of the 4D seismic dataset. An approach ...
    • 9-Acridinemethanamine and Acridine-9-Carboxaldehyde as Potential Fluorescence Lifetime pH Indicators 

      Totland, Christian; Thomas, Peter; Holst, Bodil; Akhtar, Naureen; Hovdenes, Jostein; Skodvin, Tore (Journal article; Peer reviewed, 2020)
      A significant challenge concerning the development of fluorescence lifetime (FL) based pH sensors is the paucity of fluorophores with sufficiently large FL variation with pH. Acridine is amongst the indicators with highest ...
    • Abiotic synthesis of methane and organic compounds in Earth’s lithosphere 

      Reeves, Eoghan; Fiebig, Jens (Journal article; Peer reviewed, 2020)
      Accumulation of molecular hydrogen in geologic systems can create conditions energetically favorable to transform inorganic carbon into methane and other organic compounds. Although hydrocarbons with a potentially abiotic ...
    • Abnormal Uroguanylin Immunoreactive Cells Density in the Duodenum of Patients with Diarrhea-Predominant Irritable Bowel Syndrome Changes following Fecal Microbiota Transplantation 

      Mazzawi, Tarek; Eikrem, Øystein Solberg; Lied, Gülen Arslan; Hausken, Trygve (Journal article; Peer reviewed, 2020)
      Altered densities of enteroendocrine cells play an important role in patients with irritable bowel syndrome (IBS). Uroguanylin activates guanylate cyclase-C to regulate intestinal electrolyte and water transport. Aim. To ...