Browsing Det matematisk-naturvitenskapelige fakultet by Title

Now showing items 318-337 of 838

  • Galvanic Deposition of Pt Nanoparticles on Black TiO2 Nanotubes for Hydrogen Evolving Cathodes 
    Touni, Aikaterini; Liu, Xin; Kang, Xiaolan; Almeida Carvalho, Patricia; Diplas, Spyridon; Both, Kevin Gregor; Sotiropoulos, Sotiris; Chatzitakis, Athanasios (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    A galvanic deposition method for the in-situ formation of Pt nanoparticles (NPs) on top and inner surfaces of high-aspect-ratio black TiO2-nanotube electrodes (bTNTs) for true utilization of their total surface area has ...
  • Galvanic restructuring of exsolved nanoparticles for plasmonic and electrocatalytic energy conversion 
    Kang, Xiaolan; Reinertsen, Vilde Mari; Both, Kevin Gregor; Galeckas, Augustinas; Aarholt, Thomas; Prytz, Øystein; Norby, Truls; Neagu, Dragos; Chatzitakis, Athanasios (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    There is a growing need to control and tune nanoparticles (NPs) to increase their stability and effectiveness, especially for photo- and electrochemical energy conversion applications. Exsolved particles are well anchored ...
  • Gaps in research and capacity development for malaria surveillance and response in the Asia–Pacific: meeting report 
    Sirimatayanant, Massaya; Hein, Phone S.; Anderson, Laura F.; Montoya, Lucía F.; Potter, Rebecca; Nghipumbwa, Mwalenga; Ranaweera, Prasad; Ngor, Pengby; Phetsouvanh, Rattanaxay; Maude, Richard J. (Research report / Forskningsrapport / PublishedVersion, 2023)
    Background This report is based on the 2021 annual meeting of the Asia–Pacific Malaria Elimination Network Surveillance and Response Working Group held online on November 1–3, 2021. In light of the 2030 ...
  • Gas Migration Episodes Observed During Peridotite Alteration in the Samail Ophiolite, Oman 
    Aiken, John Mark; Sohn, Robert A.; Renard, Francois; Matter, Juerg; Kelemen, Peter; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Serpentinization and carbonation of mantle rocks (peridotite alteration) are fundamentally important processes for a spectrum of geoscience topics, including arc volcanism, earthquake processes, chemosynthetic biological ...
  • Ge redistribution in SiO2/SiGe structures under thermal oxidation: Dynamics and predictions 
    Long, Ethan Schuyler; Azarov, Alexander; Kløw, Frode; Galeckas, Augustinas; Kuznetsov, Andrej; Diplas, Spyridon (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    Several fundamental aspects of the oxidation-induced redistribution of Ge in thin films of SiGe are studied. This includes the incorporation of Ge into the oxide and the formation of what is alternatively referred to as ...
  • Genetic Characterization in High-Risk Individuals from a Low-Resource City of Peru 
    Zavaleta, Elizabeth; Solis, Nelly; Palacios, Maria Isabel; Zevallos-Escobar, Liz Elva; Corales, Edison Vasquez; Bazo-Alvarez, Juan Carlos; Dominguez-Barrera, Constantino; Campos, Anthony; Wernhoff, Patrik; Ekstrøm, Per Olaf; Møller, Pål; Visnovska, Martina; Hovig, Eivind; Balazar-Palacios, Janina; Alvarez-Valenzuela, Karin; Nakken, Sigve; Dominguez-Valentin, Mev (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Background: Genetic testing for hereditary cancers is inconsistently applied within the healthcare systems in Latin America. In Peru, the prevalence and spectrum of cancer-predisposing germline variants is thus poorly ...
  • Genome-wide analysis reveals genetic overlap between alcohol use behaviours, schizophrenia and bipolar disorder and identifies novel shared risk loci 
    Wiström, Erik David; O'Connell, Kevin Sean; Karadag, Naz; Bahrami, Shahram; Hindley, Guy Frederick Lanyon; Lin, Aihua; Cheng, Weiqiu; Steen, Nils Eiel; Shadrin, Alexey; Frei, Oleksandr; Djurovic, Srdjan; Dale, Anders M.; Andreassen, Ole A.; Smeland, Olav Bjerkehagen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Background and aim Schizophrenia (SCZ) and bipolar disorder (BD) have a high comorbidity of alcohol use disorder (AUD), and both comorbid AUD and excessive alcohol consumption (AC) have been linked to greater illness ...
  • Genome-wide Association Analysis of Schizophrenia and Vitamin D Levels Shows Shared Genetic Architecture and Identifies Novel Risk Loci 
    Jaholkowski, Piotr Pawel; Hindley, Guy; Shadrin, Alexey; Tesfaye, Markos; Bahrami, Shahram; Nerhus, Mari; Rahman, Zillur; O'Connell, Kevin Sean; Holen, Børge; Parker, Nadine; Cheng, Weiqiu; Lin, Aihua; Rødevand, Linn; Karadag, Naz; Frei, Oleksandr; Djurovic, Srdjan; Dale, Anders M.; Smeland, Olav Bjerkehagen; Andreassen, Ole (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Low vitamin D (vitD) levels have been consistently reported in schizophrenia (SCZ) suggesting a role in the etiopathology. However, little is known about the role of underlying shared genetic mechanisms. ...
  • Genome-Wide Transcript Profiling of Endosperm without Paternal Contribution Identifies Parent-of-Origin-Dependent Regulation of AGAMOUS-LIKE36 
    Shirzadi, Reza; Andersen, Ellen Dehnes; Bjerkan, Katrine; Gloeckle, Barbara M; Heese, Maren; Ungru, Alexander; Winge, Per; Koncz, C; Aalen, Reidunn B.; Schnittger, Arp; Grini, Paul Eivind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
    Seed development in angiosperms is dependent on the interplay among different transcriptional programs operating in the embryo, the endosperm, and the maternally-derived seed coat. In angiosperms, the embryo and the endosperm ...
  • Geometric Stoichiometry: Unifying Concepts of Animal Nutrition to Understand How Protein-Rich Diets Can Be “Too Much of a Good Thing” 
    Anderson, Thomas R.; Raubenheimer, David; Hessen, Dag Olav (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Understanding the factors that control the growth of heterotrophic organisms is central to predicting food web interactions and biogeochemical cycling within ecosystems. We present a new framework, Geometric Stoichiometry ...
  • Gold(I) N-heterocyclic carbene precursors for focused electron beam-induced deposition 
    Glessi, Cristiano; Mahgoub, Aya; Hagen, Cornelis W.; Tilset, Mats (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Seven gold(I) N-heterocyclic carbene (NHC) complexes were synthesized, characterized, and identified as suitable precursors for focused electron beam-induced deposition (FEBID). Several variations on the core Au(NHC)X ...
  • Grain size sensitive creep during simulated seismic slip in nanogranular fault gouges: constraints from Transmission Kikuchi Diffraction (TKD) 
    Demurtas, Matteo; Smith, Steven A.F.; Prior, David J.; Brenker, Frank E.; Di Toro, Giulio (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Nanograins (≪1 μm) are common in the principal slip zones of natural and experimental faults, but their formation and influence on fault mechanical behavior are poorly understood. We performed transmission Kikuchi diffraction ...
  • Granular porous landslide tsunami modelling – the 2014 Lake Askja flank collapse 
    Rauter, Matthias; Viroulet, Sylvain; Gylfadóttir, Sigríður Sif; Fellin, Wolfgang; Løvholt, Finn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Subaerial landslides and volcano flank collapses can generate tsunamis with devastating consequences. The lack of comprehensive models incorporating both the landslide and the wave mechanics represents a gap in providing ...
  • Gravitational and Finite-Size Effects On Pressure Saturation Curves During Drainage 
    Ayaz, Monem; Toussaint, Renaud; Schäfer, Gerhard; Måløy, Knut Jørgen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    We experimentally and numerically study the influence of gravity and finite-size effects on the pressure-saturation relationship in a given porous medium during slow drainage. The effect of gravity is systematically varied ...
  • H passivation of Li on Zn-site in ZnO: Positron annihilation spectroscopy and secondary ion mass spectrometry 
    Johansen, Klaus Magnus H; Zubiaga, Asier; Tuomisto, Filip; Monakhov, Edouard; Kuznetsov, Andrej; Svensson, Bengt Gunnar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
    The interaction of hydrogen (H) with lithium (Li) and zinc vacancies (VZn) in hydrothermally grown n-type zinc oxide (ZnO) has been investigated by positron annihilation spectroscopy (PAS) and secondary ion mass spectrometry. ...
  • Hall effect measurements on thermoelectric Ca3Co4O9: On how to determine the charge carrier concentration in strongly correlated misfit cobaltites 
    Schrade, Matthias; Norby, Truls; Finstad, Terje (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The Hall coefficient RH and electrical conductivity of misfit calcium cobalt oxide (Ca2CoO3−δ)q(CoO2) (CCO) were measured at room temperature for different oxygen vacancy concentrations δ. Based on these and numerous ...
  • Heritability Estimation of Cognitive Phenotypes in the ABCD Study® Using Mixed Models 
    Smith, Diana M.; Loughnan, Robert; Friedman, Naomi P.; Parekh, Pravesh; Frei, Oleksandr; Thompson, Wesley K.; Andreassen, Ole; Neale, Michael; Jernigan, Terry L.; Dale, Anders M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Twin and family studies have historically aimed to partition phenotypic variance into components corresponding to additive genetic effects ( A ), common environment ( C ), and unique environment ( E ). Here we ...
  • hGSuite HyperBrowser: A web-based toolkit for hierarchical metadata-informed analysis of genomic tracks 
    Kalyanasundaram, Sumana; Lefol, Yohan Pierre; Gundersen, Sveinung; Rognes, Torbjørn; Alsøe, Lene; Nilsen, Hilde; Hovig, Eivind; Sandve, Geir Kjetil Ferkingstad; Domanska, Diana (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Many high-throughput sequencing datasets can be represented as objects with coordinates along a reference genome. Currently, biological investigations often involve a large number of such datasets, for example representing ...
  • High electron mobility single-crystalline ZnSnN2 on ZnO (0001) substrates 
    Gogova, Daniela; Olsen, Vegard Skiftestad; Bazioti, Kalliopi; Lee, In-Hwan; Prytz, Øystein; Vines, Lasse; Kuznetsov, Andrej (Journal article / Tidsskriftartikkel / SubmittedVersion, 2020)
    Making a systematic effort, we have developed single-crystalline ZnSnN2 on ZnO (0001) by reactive magnetron co-sputtering. Epitaxial growth was achieved at 350 °C by co-sputtering from metal targets in a nitrogen atmosphere, ...
  • High entropy alloy CrFeNiCoCu sputter deposited films: Structure, electrical properties, and oxidation 
    Mayandi, Jeyanthinath; Schrade, Matthias; Vajeeston, Ponniah; Stange, Marit Synnøve Sæverud; Lind, Anna Maria; Sunding, Martin Fleissner; Deuermeier, Jonas; Fortunato, Elvira; Løvvik, Ole Martin; Ulyashin, Alexander; Diplas, Spyridon; Almeida Carvalho, Patricia; Finstad, Terje Gunnar (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2022)
    High entropy alloy (HEA) films of CrFeCoNiCu were deposited by sputtering. Their structure was characterized and their electric transport properties were studied by temperature-dependent Hall and Seebeck measurements. The ...