Blar i Faculty of Mathematics and Natural Sciences på tittel

Viser treff 5949-5968 av 9887

    • Neutrino-Antineutrino Oscillations 

      Altmann, Tomas (Master thesis, 2023-06-07)
      Oppgaven presenterer teorien bak massive nøytrinoer. Vi viser hvordan nøytrino masse og miksing leder til nøytrino oscillasjoner. Flere konsekvenser av slike oscillasjoner blir diskutert. Etter introduksjonen av en Majorana ...

    • Neutrophils in Atlantic salmon (Salmo salar L.) are MHC class II+ and secret IL-12p40 upon bacterial exposure 

      Haugland, Gyri Teien; Rønneseth, Anita; Gundersen, Lene; Lunde, Harald Sæbø; Nordland, Kaja; Wergeland, Heidrun Inger (Journal article; Peer reviewed, 2022)
      Antigen-presentation via major histocompatibility complex (MHC) to T cells is the key event to initiate adaptive immune responses. In teleosts, as in mammals, the main types of professional antigen-presenting cells (APCs) ...

    • Neutrophils induce paracrine telomere dysfunction and senescence in ROS-dependent manner 

      Lagnado, Anthony; Leslie, Jack; Ruchaud-Sparagano, Marie-Helene; Victorelli, Stella; Hirsova, Petra; Ogrodnik, Mikolaj; Collins, Amy L; Vizioli, Maria Grazia; Habiballa, Leena; Saretzki, Gabriele; Evans, Shane A; Salmonowicz, Hanna; Hruby, Adam; Geh, Daniel; Pavelko, Kevin D; Dolan, David William Peter; Reeves, Helen L; Grellscheid, Sushma Nagaraja; Wilson, Colin H; Pandanaboyana, Sanjay; Doolittle, Madison; von Zglinicki, Thomas; Oakley, Fiona; Gallage, Suchira; Wilson, Caroline L; Birch, Jodie; Carroll, Bernadette; Chapman, James; Heikenwalder, Mathias; Neretti, Nicola; Khosla, Sundeep; Masuda, Claudio Akio; Tchkonia, Tamar; Kirkland, James L; Jurk, Diana; Mann, Derek A.; Passos, João F (Journal article; Peer reviewed, 2021)
      Cellular senescence is characterized by an irreversible cell cycle arrest as well as a pro-inflammatory phenotype, thought to contribute to aging and age-related diseases. Neutrophils have essential roles in inflammatory ...

    • A New AGILE MCAL Configuration to Detect Gamma-Ray Bursts and Sub-threshold Events in the Multimessenger Era 

      Ursi, Alessandro; Tavani, Marco; Verrecchia, Francesco; Marisaldi, Martino; Argan, Andrea; Trois, Alessio; Tempesta, Patrizio (Peer reviewed; Journal article, 2019)
      Starting in 2016 August, the onboard software configuration of the Astrorivelatore Gamma ad Immagini LEggero (AGILE) MiniCALorimeter (MCAL) was modified in order to increase the instrument trigger capabilities for the ...

    • A new algorithm for simultaneous retrieval of aerosol and marine parameters in coastal environments 

      Stamnes, Knut; Li, Wei; Fan, Y.; Hamre, Børge; Frette, Øyvind; Folkestad, Are; Sørensen, Kai; Stamnes, Jakob J. (Peer reviewed; Journal article, 2013)
      We present simultaneous retrievals of aerosol and marine parameters in coastal areas from ocean color data using the OC-SMART algorithm, Ocean Color: Simultaneous Marine and Aerosol Retrieval Tool. OC-SMART uses a one-step ...

    • A new algorithm for simultaneous retrieval of aerosols and marine parameters 

      Ssenyonga, Taddeo; Frette, Øyvind; Hamre, Børge; Stamnes, Knut; Muyimbwa, Dennis; Ssebiyonga, Nicolausi; Stamnes, Jakob J. (Journal article; Peer reviewed, 2022)
      We present an algorithm for simultaneous retrieval of aerosol and marine parameters in coastal waters. The algorithm is based on a radiative transfer forward model for a coupled atmosphere-ocean system, which is used to ...

    • A new approach for finding communities of edges in complex networks 

      Movik, Morten (Master thesis, 2019-11)
      Discovering dense subparts, called communities, in complex networks is a fundamental issue in data analysis. A popular way to do this is to create a partition of the network. This partition can either be a partition of ...

    • New approaches to investigate the influence of orographic and dynamic blocking on large-scale atmospheric flow 

      Spensberger, Clemens (Doctoral thesis, 2015-01-15)
      Orographic and dynamic blocks have a profound influence on both weather and climate. The persistence of dynamic blocks can, for example, lead to the build-up of extreme temperature anomalies or droughts. In addition, ...

    • A new aquareovirus causing high mortality in farmed Atlantic halibut fry in Norway 

      Blindheim, Steffen H.; Nylund, Are; Watanabe, Kuninori; Plarre, Heidrun; Erstad, Børre; Nylund, Stian (Peer reviewed; Journal article, 2015-01)
      A new aquareovirus was isolated from cultured Atlantic halibut (Hippoglossus hippoglossus) fry at a facility where massive mortalities had occurred during the start-feeding phase. The same virus was also detected in juveniles ...

    • New Concept for Evaluating the Risk of Hydrate Formation during Processing and Transport of Hydrocarbons 

      Aromada, Solomon Aforkoghene (Master thesis, 2017-10-31)
      Transport of hydrocarbons from reservoir to gas processing plants and for supply to delivery terminals is predominantly done using pipelines, particularly within reasonable distance. In the North Sea of Norway, there are ...

    • A New Concept to Measure the Ambipolar Electric Field Driving Ionospheric Outflow 

      Li, Kun; Håland, Stein Egil; Wei, Yong (Journal article; Peer reviewed, 2021)
      Over the last few decades, the role of ionospheric outflow for the loss of atmospheric constituents, as a plasma supplier to the magnetosphere and hence for the evolution of the Earth’s atmosphere has been recognized. A ...

    • New Conceptual Toxicokinetic Model to Assess Synergistic Mixture Effects between the Aromatic Hydrocarbon β-Naphthoflavone and the Azole Nocodazole on the CYP1A Biomarker in a Fish Cell Line 

      Fallahi, Shirin; Mlnaříková, Marie; Alvord, Charlotte; Alendal, Guttorm; Frøysa, Håvard G; Lundh, Thorbjörn; Celander, Malin C. (Journal article; Peer reviewed, 2020)
      Toxicokinetic interactions with catabolic cytochrome P450 (CYP) enzymes can inhibit chemical elimination pathways and cause synergistic mixture effects. We have created a mathematical bottom-up model for a synergistic ...

    • New cryptanalysis of LFSR-based stream ciphers and decoders for p-ary QC-MDPC codes 

      Canales Martínez, Isaac Andrés (Doctoral thesis, 2022-03-18)
      The security of modern cryptography is based on the hardness of solving certain problems. In this context, a problem is considered hard if there is no known polynomial time algorithm to solve it. Initially, the security ...

    • New ecosystems in the deep subsurface follow the flow of water driven by geological activity 

      Borgonie, Gaetan; Magnabosco, Cara; Garcia-Moyano, Antonio; Linage-Alvarez, Borja; Ojo, Abidemi Oluranti; Freese, Leanne Brenda; van Jaarsveld, Charl; Van Rooyen, Christelle; Kuloyo, Olukayode; Cason, Errol Duncan; Vermeulen, J.; Pienaar, C.; van Heerden, Esta; Lollar, Barbara Sherwood; Onstott, Tullis C.; Mundle, Scott O.C. (Peer reviewed; Journal article, 2019-03-01)
      Eukarya have been discovered in the deep subsurface at several locations in South Africa, but how organisms reach the subsurface remains unknown. We studied river-subsurface fissure water systems and identified Eukarya ...

    • New examples of curves with a one-dimensional family of pencils of minimal degree 

      Rasmussen, Nils Henry (Peer reviewed; Journal article, 2011-07-14)
      We give a geometric construction of sub-linear systems on a K3 surface consisting of smooth curves C with infinitely many g1 gon(C)’s.

    • New experimental techniques to study the adhesion to various solid surfaces of hydrate-relevant droplets and particles 

      Dahl, Maren Andrea (Master thesis, 2010-10-01)
      Hydrate plugging is a substantial problem in the oil and gas industry, both economically, environmentally and safety wise. Plugging may occur as a result of agglomeration of hydrate particles, deposition of hydrates on the ...

    • A New Family of APN Quadrinomials 

      Budaghyan, Lilya; Helleseth, Tor; Kaleyski, Nikolay Stoyanov (Journal article; Peer reviewed, 2020)
      The binomial B(x) = x 3 +βx 36 (where β is primitive in F 2 2) over F 2 10 is the first known example of an Almost Perfect Nonlinear (APN) function that is not CCZ-equivalent to a power function, and has remained unclassified ...

    • New flood frequency estimates for the largest river in Norway based on the combination of short and long time series 

      Engeland, Kolbjørn; Aano, Anna; Steffensen, Ida Grøndahl; Støren, Eivind Wilhelm Nagel; Paasche, Øyvind (Journal article; Peer reviewed, 2020)
      The Glomma River is the largest in Norway, with a catchment area of 154 450 km2. People living near the shores of this river are frequently exposed to destructive floods that impair local cities and communities. Unfortunately, ...

    • A new framework for assessing subject-specific whole brain circulation and perfusion using MRI-based measurements and a multi-scale continuous flow model 

      Hodneland, Erlend; Hanson, Erik Andreas; Sævareid, Ove; Nævdal, Geir; Lundervold, Arvid; Solteszova, Veronika; Zanna, Antonella; Deistung, Andreas; Reichenbach, Jürgen; Nordbotten, Jan Martin (Peer reviewed; Journal article, 2019-06-25)
      A large variety of severe medical conditions involve alterations in microvascular circulation. Hence, measurements or simulation of circulation and perfusion has considerable clinical value and can be used for diagnostics, ...

    • A New Generating Set Search Algorithm for Partially Separable Functions 

      Frimannslund, Lennart; Steihaug, Trond (Chapter; Peer reviewed, 2010)
      A new derivative-free optimization method for unconstrained optimization of partially separable functions is presented. Using average curvature information computed from sampled function values the method generates an ...