Browsing Det matematisk-naturvitenskapelige fakultet by Title

Now showing items 250-269 of 838

  • Environmental Optima for Seven Strains of Pseudochattonella (Dictyochophyceae, Heterokonta) 
    Skjelbred, Birger; Edvardsen, Bente; Andersen, Tom (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2013)
    The ichthyotoxic flagellate Pseudochattonella has formed recurrent blooms in the North Sea, Skagerrak and Kattegat since 1998. Five strains of Pseudochattonella farcimen and two strains of P. verruculosa were examined in ...
  • Equivalence of Electromagnetic Fluctuation and Nuclear (Yukawa) Forces: the π0 Meson, its Mass and Lifetime 
    Ninham, Barry W.; Brevik, Iver Håkon; Boström, Mathias (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    It is shown how Maxwell’s equations for the electromagnetic field with Planck quantisation of allowed modes appears to provide a semiclassical account of nuclear interactions. The mesons emerge as plasmons, collective ...
  • Evolution of Brittle Structures in Plagioclase-Rich Rocks at High-Pressure and High-Temperature Conditions - Linking Laboratory Results to Field Observations 
    Incel, Sarah; Renner, Jörg; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Plagioclase‐rich granulites exposed on the Lofoten archipelago, Northern Norway, display strain localization in pseudotachylytes as well as ductile shear zones that formed under similar high‐pressure and high‐temperature ...
  • Evolution of Pt and Pd species in functionalized UiO-67 metal-organic frameworks 
    Bugaev, Aram L.; Skorynina, Alina A.; Braglia, Luca; Lomachenko, Kirill A.; Guda, Alexander; Lazzarini, Andrea; Bordiga, Silvia; Olsbye, Unni; Lillerud, Karl Petter; Soldatov, Alexander V.; Lamberti, Carlo (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Functionalization of metal-organic frameworks (MOFs) with noble metals is a promising way for producing new versatile catalysts that will combine the outstanding porosity and specific surface area of MOFs with high catalytic ...
  • Evolution of the gamma-ray strength function in neodymium isotopes 
    Guttormsen, Magne Sveen; Ay, Kursad Osman; Ozgur, Mustafa; Algin, Emel; Larsen, Ann-Cecilie; Bello Garrote, Frank Leonel; Berg, Hannah; Crespo Campo, Lucia; Dahl-Jacobsen, Thomas; Furmyr, Frida; Gjestvang, Dorthea; Görgen, Andreas; Hagen, Trine Wiborg; Ingeberg, Vetle Wegner; Kheswa, Bonginkosi Vincent; Kullmann, Ina Kristine Berentsen; Klintefjord, Malin Linnea; Markova, Maria; Midtbø, Jørgen E.; Modamio, Victor; Paulsen, Wanja; Pedersen, Line Gaard; Renstrøm, Therese; Sahin, Eda; Siem, Sunniva; Tveten, Gry Merete; Wiedeking, Mathis (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    The experimental γ-ray strength functions (γSFs) of 142,144–151Nd have been studied for γ-ray energies up to the neutron separation energy using the Oslo method. The results represent a unique set of γSFs for an isotopic ...
  • Evolutionary selection of biofilm-mediated extended phenotypes in Yersinia pestis in response to a fluctuating environment 
    Cui, Yujun; Schmid, Boris Valentijn; Cao, Hanli; Dai, Xiang; Du, Zhongmin; Easterday, William Ryan; Fang, Haihong; Guo, Chenying; Huang, Shanqian; Liu, Wanbing; Qi, Zhizhen; Song, Yajun; Tian, Huaiyu; Wang, Min; Wu, Yarong; Xu, Bing; Yang, Chao; Yang, Jing; Yang, Xianwei; Zhang, Qingwen; Jakobsen, Kjetill Sigurd; Zhang, Yujiang; Stenseth, Nils Christian; Yang, Ruifu (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Yersinia pestis is transmitted from fleas to rodents when the bacterium develops an extensive biofilm in the foregut of a flea, starving it into a feeding frenzy, or, alternatively, during a brief period directly after ...
  • Existence and uniqueness of weak solutions to parabolic problems with nonstandard growth and cross diffusion 
    Arumugam, Gurusamy; Erhardt, André Henrik (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
  • Existence of weak solutions to a certain homogeneous parabolic Neumann problem involving variable exponents and cross-diffusion 
    Arumugam, Gurusamy; Erhardt, André Henrik (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    This paper deals with a homogeneous Neumann problem of a nonlinear diffusion system involving variable exponents dependent on spatial and time variables and cross-diffusion terms. We prove the existence of weak solutions ...
  • Exotic Compositional Ordering in Manganese–Nickel–Arsenic (Mn-Ni-As) Intermetallics 
    Gonano, Bruno Raymond Gino; Fjellvåg, Øystein; Steciuk, Gwladys; Saha, Dipankar; Pelloquin, Denis; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    In this work we benefited from recent advances in tools for crystal‐structure analysis that enabled us to describe an exotic nanoscale phenomenon in structural chemistry. The Mn0.60Ni0.40As sample of the Mn1−xNixAs solid ...
  • Experimental and theoretical evidence for promotional effect of acid sites on the diffusion of alkenes through small-pore zeolites 
    Cnudde, Pieter; Redekop, Evgeniy; Dai, Weili; Porcaro, Natale G.; Waroquier, Michel; Bordiga, Silvia; Hunger, Michael; Li, Landong; Olsbye, Unni; Van Speybroeck, Veronique (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The diffusion of saturated and unsaturated hydrocarbons is of fundamental importance for many zeolite-catalyzed processes. Transport of small alkenes in the confined zeolite pores can become hindered, resulting in a ...
  • Experimental and Theoretical Study of Stable and Metastable Phases in Sputtered CuInS2 
    Larsen, Jes; Sopiha, Kostiantyn; Persson, Clas; Platzer-Björkman, Charlotte; Edoff, Marika (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    The chalcopyrite Cu(In,Ga)S2 has gained renewed interest in recent years due to the potential application in tandem solar cells. In this contribution, a combined theoretical and experimental approach is applied to investigate ...
  • Experimental Constraints on Forecasting the Location of Volcanic Eruptions from Pre-eruptive Surface Deformation 
    Guldstrand, Frank Bo Buster; Galland, Olivier; Hallot, Erwan; Burchardt, Steffi (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Volcanic eruptions pose a threat to lives and property when volcano flanks and surroundings are densely populated. The local impact of an eruption depends firstly on its location, whether it occurs near a volcano summit, ...
  • Experimental evidence for wall-rock pulverization during dynamic rupture at ultra-high pressure conditions 
    Incel, Sarah; Schubnel, Alexandre; Renner, Jörg; John, Timm; Labrousse, Loic; Hilairet, Nadège; Freeman, Helen; Wang, Yanbin; Renard, Francois; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    The mechanisms triggering intermediate and deep earthquakes have puzzled geologists for several decades. There is still no consensus concerning whether such earthquakes are triggered by brittle or ductile mechanisms. We ...
  • Experimental exploration of the amphoteric defect model by cryogenic ion irradiation of a range of wide band gap oxide materials 
    Borgersen, Jon; Vines, Lasse; Frodason, Ymir Kalmann; Kuznetsov, Andrej; von Wenckstern, Holger; Grundmann, Marius; Allen, Martin; Perez, Jesus Zuniga; Johansen, Klaus Magnus H (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The evolution of electrical resistance as function of defect concentration is examined for the unipolar n-conducting oxides CdO, β-Ga2O3, In2O3, SnO2 and ZnO in order to explore the predictions of the amphoteric defect ...
  • Experimental modelling of primary migration in a layered, brittle analogue system 
    Johnson, James Ronald; Kobchenko, Maya; Johnson, Andrew Charles; Mondol, Nazmul Haque; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    A 2D Hele-Shaw cell was built to study microfracture nucleation, growth, and network formation during internal fluid production. Fluid is slowly produced into a low permeability solid, which leads to a local fluid pressure ...
  • Experimental Observation of Dissolution Finger Growth in Radial Geometry 
    Xu, Le; Szymczak, Piotr; Toussaint, Renaud; Flekkøy, Eirik Grude; Måløy, Knut Jørgen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Reaction-infiltration instability refers to the morphological instability of a reactive fluid front flowing in a soluble porous medium. This process is important for many naturally occurring phenomena, such as the weathering ...
  • Exploring the gut DNA virome in fecal immunochemical test stool samples reveals associations with lifestyle in a large population-based study 
    Istvan, Paula; Birkeland, Einar Elvbakken; Avershina, Ekaterina; Kværner, Ane Sørlie; Bemanian, Vahid; Pardini, Barbara; Tarallo, Sonia; de Vos, Willem M.; Rognes, Torbjørn; Berstad, Paula Marianna; Rounge, Trine Ballestad (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
    Abstract Stool samples for fecal immunochemical tests (FIT) are collected in large numbers worldwide as part of colorectal cancer screening programs. Employing FIT samples from 1034 CRCbiome participants, recruited from a ...
  • Exploring the influence of counterions on a hysteretic spin-transition in isomorphous iron(ii) complex salts 
    Roberts, Thomas D.; Pask, Christopher M.; Capel Berdiell, Izar; Tuna, Floriana; Halcrow, Malcolm A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    [FeL2]X2·2H2O (L = 2,6-bis{5-methyl-1H-pyrazol-3-yl}pyridine; X− = BF4− or ClO4−) are readily dehydrated upon mild heating. Anhydrous [FeL2][BF4]2 exhibits an abrupt spin-transition at T1/2 = 205 K, with a 65 K thermal ...
  • Exploring the Parameters Controlling Product Selectivity in Electrochemical CO<inf>2</inf> Reduction in Competition with Hydrogen Evolution Employing Manganese Bipyridine Complexes 
    Hong, Wanwan; Luthra, Mahika; Jakobsen, Joakim B.; Madsen, Monica R.; Castro, Abril C; Hammershøj, Hans Christian D.; Pedersen, Steen U.; Balcells Badia, David; Skrydstrup, Troels; Daasbjerg, Kim; Nova, Ainara (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Selective reduction of CO2 is an efficient solution for producing nonfossil-based chemical feedstocks and simultaneously alleviating the increasing atmospheric concentration of this greenhouse gas. With this aim, molecular ...
  • Extensive bidirectional genetic overlap between bipolar disorder and cardiovascular disease phenotypes 
    Rødevand, Linn; Bahrami, Shahram; Frei, Oleksandr; Chu, Yunhan; Shadrin, Alexey A.; O'Connell, Kevin S.; Smeland, Olav Bjerkehagen; Elvsåshagen, Torbjørn; Hindley, Guy Frederick Lanyon; Djurovic, Srdjan; Dale, Anders; Lagerberg, Trine Vik; Steen, Nils Eiel; Andreassen, Ole Andreas (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract Patients with bipolar disorder (BIP) have a high risk of cardiovascular disease (CVD), despite considerable individual variation. The mechanisms underlying comorbid CVD in BIP remain largely unknown. We investigated ...