Browsing Det matematisk-naturvitenskapelige fakultet by Title

Now showing items 805-824 of 838

  • Ultralow amounts of DNA from long-term archived serum samples produce high-quality methylomes 
    Wojewodzic, Marcin W; Leithaug, Magnus; Lauritzen, Marianne; Lyle, Robert; Haglund, Sofia; Rubin, Carl-Johan; Ewels, Philip A; Grotmol, Tom; Rounge, Trine B (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background Long-term stored serum is considered challenging for epigenomic analyses: as there are no cells, circulating DNA is scarce, and amplification removes epigenetic signals. Additionally, pre-analytical ...
  • Understanding C-H activation in light alkanes over Cu-MOR zeolites by coupling advanced spectroscopy and temperature-programmed reduction experiments 
    Kvande, Karoline; Garetto, Beatrice; Deplano, Gabriele; Signorile, Matteo; Solemsli, Bjørn Gading; Prodinger, Sebastian; Olsbye, Unni; Beato, Pablo; Bordiga, Silvia; Svelle, Stian; Borfecchia, Elisa (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    The direct activation of methane to methanol (MTM) proceeds through a chemical-looping process over Cu-oxo sites in zeolites. Herein, we extend the overall understanding of oxidation reactions over metal-oxo sites and C–H ...
  • Understanding phase separation in ZnCdO by a combination of structural and optical analysis 
    Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Trunk, Mareike; Zhang, Tianchong; Azarov, Alexander; Kuznetsov, Andrej (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
    A phenomenon of wurtzite (w), zincblende (zb), and rock-salt (rs) phase separation was investigated in ZnCdO films having Cd contents in the range of 0%–60% settling a discussion on the phase stability issues in ZnCdO. ...
  • Understanding the (De)Sodiation Mechanisms in Na‐Based Batteries through Operando X‐Ray Methods 
    Brennhagen, Anders; Cavallo, Carmen; Wragg, David; Sottmann, Jonas; Koposov, Alexey; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Progress in the field of Na‐based batteries strongly relies on the development of new advanced materials. However, one of the main challenges of implementing new electrode materials is the understanding of their mechanisms ...
  • Understanding the optical properties of ZnO1−xSx and ZnO1−xSex alloys 
    Baldissera, Gustavo; Persson, Clas (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    ZnO1−xYx with chalcogen element Y exhibits intriguing optoelectronic properties as the alloying strongly impacts the band-gap energy Eg(x). In this work, we analyze and compare the electronic structures and the dielectric ...
  • Universal radiation tolerant semiconductor 
    Azarov, Alexander; García Fernández, Javier; Zhao, Junlei; Djurabekova, Flyura; He, Huan; He, Ru; Prytz, Øystein; Vines, Lasse; Bektas, Umutcan; Chekhonin, Paul; Klingner, Nico; Hlawacek, Gregor; Kuznetsov, Andrej (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Radiation tolerance is determined as the ability of crystalline materials to withstand the accumulation of the radiation induced disorder. Nevertheless, for sufficiently high fluences, in all by far known ...
  • Unraveling electronic band structure of narrow-bandgap p-n nanojunctions in heterostructured nanowires 
    Zamani, Reza R.; Hage, Fredrik S.; Eljarrat, Alberto; Namazi, Luna; Ramasse, Quentin M.; Dick, Kimberly A. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    Direct comparison of bandgaps of GaSb zinc blende and wurtzite polytypes (0.75 and 0.84 eV, respectively) by means of valence electron energy-loss spectroscopy (VEELS) in a transmission electron microscope (TEM).
  • Unraveling the (De)sodiation Mechanisms of BiFeO3 at a High Rate with Operando XRD 
    Brennhagen, Anders; Skautvedt, Casper; Cavallo, Carmen; Wragg, David Stephen; Koposov, Alexey; Sjåstad, Anja Olafsen; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
    Development of new anode materials for Na-ion batteries strongly depends on a detailed understanding of their cycling mechanism. Due to instrumental limitations, the majority of mechanistic studies focus on operando ...
  • Uoverensstemmelser i legemiddellistene til pasienter med multimorbiditet etter utskrivelse fra sykehus 
    Horgen, Kristine (Master thesis / Masteroppgave, 2023)
    INTRODUKSJON: Pasienter med multimorbiditet bruker ofte mange legemidler, er hyppig innlagt på sykehus og har komplekse behandlingsregimer. Uoverensstemmelser i pasienters legemiddellister etter utskrivelse fra sykehus er ...
  • Utilizing Zirconium MOF-functionalized fiber substrates prepared by molecular layer deposition (MLD) for toxic gas capture and chemical warfare agent degradation 
    Gorzkowska-Sobas, Agnieszka A; Lausund, Kristian Blindheim; de Koning, Martijn; Petrovic, Veljko; Chavan, Sachin Maruti; Smith, Martin W.; Nilsen, Ola (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Metal–organic frameworks (MOFs) are a class of porous organic-inorganic solids extensively explored for numerous applications owing to their catalytic activity and high surface area. In this work MOF thin films deposited ...
  • Vacancy clustering and acceptor activation in nitrogen-implanted ZnO 
    Børseth, Thomas J. Moe; Tuomisto, F; Christensen, Jens S.; Monakhov, Edouard; Svensson, Bengt Gunnar; Kuznetsov, Andrej (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2008)
    The role of vacancy clustering and acceptor activation on resistivity evolution in N ion-implanted n-type hydrothermally grown bulk ZnO has been investigated by positron annihilation spectroscopy, resistivity measurements, ...
  • Vacancy defect and defect cluster energetics in ion-implanted ZnO 
    Dong, Yufeng; Tuomisto, F; Svensson, Bengt Gunnar; Kuznetsov, Andrej; Brillson, Leonard J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)
    We have used depth-resolved cathodoluminescence, positron annihilation, and surface photovoltage spectroscopies to determine the energy levels of Zn vacancies and vacancy clusters in bulk ZnO crystals. Doppler broadening-measured ...
  • Valence state, lattice incorporation, and resulting magnetic properties of Ni in Zn/Co-based magnetic oxides 
    Ney, Verena; Henne, Bastian; de Souza, Mariano; Jantsch, Wolfgang; Johansen, Klaus Magnus Håland; Wilhelm, Fabrice; Rogalev, Andrei; Ney, Andreas (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2023)
    Ni incorporation has been studied in a comprehensive range of Zn/Co-based magnetic oxides to elucidate its valence state and lattice incorporation. The resulting structural and magnetic properties of a range of related ...
  • Variability in the formation and framework polymorphism of metal-organic frameworks based on yttrium(III) and the bifunctional organic linker 2,5-dihydroxyterephthalic acid 
    Dietzel, Pascal D.C.; Blom, Richard; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Depending on the solvothermal reaction conditions, we obtained three different metal‐organic frameworks with yttrium(III) as metal component and 2,5‐dihdyroxyterepthalic acid (H4dhtp) as bifunctional organic linker: ...
  • Variability of the surface energy balance in permafrost-underlain boreal forest 
    Stuenzi, Simone Maria; Boike, Julia; Cable, William; Herzschuh, Ulrike; Kruse, Stefan; Pestryakova, Luidmila A.; Schneider von Deimling, T; Westermann, Sebastian; Zakharov, Evgenii; Langer, Moritz (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract. Boreal forests in permafrost regions make up around one-third of the global forest cover and are an essential component of regional and global climate patterns. Further, climatic change can trigger extensive ...
  • Variable temperature in situ TEM mapping of the thermodynamically stable element distribution in bimetallic Pt-Rh nanoparticles 
    Jensen, Martin Myhre; Kierulf-Vieira, Walace; Kooyman, Patricia J.; Sjåstad, Anja Olafsen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We report here the first variable temperature in situ transmission electron microscopy (TEM) study on smaller Pt–Rh nanoparticles (≤24 nm) under vacuum conditions. Well-defined 50 at% Pt/50 at% Rh Pt–Rh solid solution and ...
  • Variants in the CETP gene affect levels of HDL cholesterol by reducing the amount, and not the specific lipid transfer activity, of secreted CETP 
    Ølnes, Åsa Schawlann; Teigen, Marianne; Lærdahl, Jon Kristen; Leren, Trond Paul; Strøm, Thea Bismo; Bjune, Katrine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Background Cholesteryl ester transfer protein (CETP) transfers cholesteryl esters in plasma from high density lipoprotein (HDL) to very low density lipoprotein and low density lipoprotein. Loss-of-function variants in the ...
  • Vegetation type is an important predictor of the arctic summer land surface energy budget 
    Oehri, Jacqueline; Schaepman-Strub, Gabriela; Kim, Jin-Soo; Grysko, Raleigh; Kropp, Heather; Grünberg, Inge; Zemlianskii, Vitalii; Sonnentag, Oliver; Euskirchen, Eugénie S.; Reji Chacko, Merin; Muscari, Giovanni; Blanken, Peter D.; Dean, Joshua F.; di Sarra, Alcide; Harding, Richard J.; Sobota, Ireneusz; Kutzbach, Lars; Plekhanova, Elena; Riihelä, Aku; Boike, Julia; Miller, Nathaniel B.; Beringer, Jason; López-Blanco, Efrén; Stoy, Paul C.; Sullivan, Ryan C.; Kejna, Marek; Parmentier, Frans-Jan W.; Gamon, John A.; Mastepanov, Mikhail; Wille, Christian; Jackowicz-Korczynski, Marcin; Karger, Dirk N.; Quinton, William L.; Putkonen, Jaakko; van As, Dirk; Christensen, Torben R.; Hakuba, Maria Z.; Stone, Robert S.; Metzger, Stefan; Vandecrux, Baptiste; Frost, Gerald V.; Wild, Martin; Hansen, Birger Ulf; Meloni, Daniela; Domine, Florent; te Beest, Mariska; Sachs, Torsten; Kalhori, Aram; Rocha, Adrian V.; Williamson, Scott N.; Morris, Sara; Atchley, Adam L.; Essery, Richard; Runkle, Benjamin R. K.; Holl, David; Riihimaki, Laura D.; Iwata, Hiroki; Schuur, Edward A. G.; Cox, Christopher J.; Grachev, Andrey A.; McFadden, Joseph P.; Fausto, Robert S.; Göckede, Mathias; Ueyama, Masahito; Pirk, Norbert; de Boer, Gijs; Bret-Harte, M. Syndonia; Leppäranta, Matti; Steffen, Konrad; Friborg, Thomas; Ohmura, Atsumu; Edgar, Colin W.; Olofsson, Johan; Chambers, Scott D. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract Despite the importance of high-latitude surface energy budgets (SEBs) for land-climate interactions in the rapidly changing Arctic, uncertainties in their prediction persist. Here, we harmonize SEB observations ...
  • Vibrational and dielectric properties of the bulk transition metal dichalcogenides 
    Pike, Nicholas; Dewandre, Antoine; Van Troeye, Benoit; Gonze, Xavier; Verstraete, Matthieu (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Interest in the bulk transition metal dichalcogenides for their electronic, photovoltaic, and optical properties has grown and led to their use in many technological applications. We present a systematic investigation of ...
  • Vibrational properties of High Entropy Alloy based metal hydrides probed by inelastic neutron scattering 
    Ek, Gustav; Fjellvåg, Øystein; Vajeeston, Ponniah; Armstrong, Jeff; Sahlberg, Martin; Häussermann, Ulrich (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The vibrational properties of several High Entropy Alloy (HEA) based metal hydrides are investigated by inelastic neutron scattering (INS). HEAs have recently emerged as a new type of materials with a wide range of intriguing ...