Háskóli Íslands

University of Iceland
 

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  • Přikryl, Jan (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2018-05)
    Fluid-rock interaction is an important process in nature, and in many industrial fields. Fluid-rock interaction can be utilized to sequester industrial gases like CO2 and H2S in porous rocks of geothermal systems. The gases are re-injected, together ...
  • Iordache, Paul; Mates, Dana; Gunnarsson, Bjarni; Eggertsson, Hannes P.; Sulem, Patrick; Guðmundsson, Júlíus; Benónísdóttir, Stefania; Csiki, Irma Eva; Rascu, Stefan; Radavoi, Daniel; Ursu, Radu; Staicu, Catalin; Calota, Violeta; Voinoiu, Angelica; Jinga, Mariana; Rosoga, Gabriel; Danau, Razvan; Sima, Sorin Cristian; Badescu, Daniel; Suciu, Nicoleta; Radoi, Viorica; Manolescu, Andrei; Rafnar, Thorunn; Halldórsson, Bjarni V.; Jinga, Viorel; Stefánsson, Kári (Wiley, 2017-12-20)
    To find sequence variants affecting prostate cancer (PCA) susceptibility in an unscreened Romanian population we use a genome‐wide association study (GWAS). The study population included 990 unrelated pathologically confirmed PCA cases and 1034 male ...
  • Porsbjerg, Celeste; Ulrik, Charlotte; Skjold, Tina; Backer, Vibeke; Laerum, Birger; Lehman, Sverre; Janson, Crister; Sandstrøm, Thomas; Bjermer, Leif; Dahlen, Barbro; Lundbäck, Bo; Ludviksdottir, Dora; Björnsdóttir, Unnur; Altraja, Alan; Lehtimäki, Lauri; Kauppi, Paula; Karjalainen, Jussi; Kankaanranta, Hannu (Informa UK Limited, 2018-01)
    Although a minority of asthma patients suffer from severe asthma, they represent a major clinical challenge in terms of poor symptom control despite high-dose treatment, risk of exacerbations, and side effects. Novel biological treatments may benefit ...
  • Helgadottir, Anna; Thorleifsson, Gudmar; Grétarsdóttir, Sólveig; Stefánsson, Ólafur A.; Tragante, Vinicius; Þórólfsdóttir, Rósa B.; Jonsdottir, Ingileif; Bjoönsson, Þorsteinn; Steinthorsdottir, Valgerdur; Verweij, Niek; Nielsen, Jonas B.; Zhou, Wei; Folkersen, Lasse; Martinsson, Andreas; Heydarpour, Mahyar; Prakash, Siddharth; Óskarsson, Gylfi; Guðbjartsson, Tómas; Geirsson, Arnar; Ólafsson, Ísleifur; Sigurðsson, Emil L.; Almgren, Peter; Melander, Olle; Franco-Cereceda, Anders; Hamsten, Anders; Fritsche, Lars; Lin, Maoxuan; Yang, Bo; Hornsby, Whitney; Guo, Dongchuan; Brummett, Chad M.; Abecasis, Gonçalo; Mathis, Michael; Milewicz, Dianna; Body, Simon C.; Eriksson, Per; Willer, Cristen J.; Hveem, Kristian; Newton-Cheh, Christopher; Smith, J. Gustav; Danielsen, Ragnar; Thorgeirsson, Gudmundur; Thorsteinsdottir, Unnur; Gudbjartsson, Daniel; Hólm, Hilma; Stefánsson, Kári (Springer Nature, 2018-03-07)
    Aortic valve stenosis (AS) is the most common valvular heart disease, and valve replacement is the only definitive treatment. Here we report a large genome-wide association (GWA) study of 2,457 Icelandic AS cases and 349,342 controls with a follow-up ...
  • Barrio, Isabel C; Hik, D.S.; Þórrsson, Jóhann; Svavarsdóttir, Kristín; Marteinsdóttir, Bryndís; Jónsdóttir, Ingibjörg Svala (John Wiley & Sons, Ltd., 2018)
    Land degradation and extensive soil erosion are serious environmental concerns in Iceland. Natural processes associated with a harsh climate and frequent volcanic activity have shaped Icelandic landscapes. However, following human settlement and the ...
  • Barrio, Isabel C; Bueno, C. Guillermo; Gartzia, M; Soininen, E.M.; Christie, K.S.; Speed, J.D.M.; Ravolainen, V.T.; Forbes, B.C.; Gauthier, G.; Horstkotte, T.; Hoset, K.S.; Hoye, T.T.; Jónsdóttir, Ingibjörg Svala; Lévesque, E.; Mörsdorf, M.A.; Olofsson, J.; Wookey, P.A.; Hik, D.S. (John Wiley & Sons Ltd, 2016)
    Aim. Understanding the forces shaping biodiversity patterns, particularly for groups of organisms with key functional roles, will help predict ecosystem responses to environmental changes. Our aim was to evaluate the relative role of different drivers ...
  • Csapo, Adam; Spagnol, Simone; Herrera Martinez, Marcelo; Bujacz, Michal; Janeczek, Maciej; Ivanica, Gabriel; Wersényi, György; Moldoveanu, Alin; Unnthorsson, Runar (Audio Engineering Society, 2017-05-11)
    This paper focuses on auditory sensory substitution for providing visually impaired users with suitable information in both static scene recognition and dynamic obstacle avoidance. We introduce three different sonification models together with three ...
  • Kristjánsson, Árni; Moldoveanu, Alin; Jóhannesson, Ómar I.; Balan, Oana; Spagnol, Simone; Valgeirsdóttir, Vigdís Vala; Unnthorsson, Runar (IOS Press, 2016-09-21)
    An exciting possibility for compensating for loss of sensory function is to augment deficient senses by conveying missing information through an intact sense. Here we present an overview of techniques that have been developed for sensory substitution ...
  • Spagnol, Simone; Wersényi, György; Bujacz, Michał; Bălan, Oana; Herrera Martínez, Marcelo; Moldoveanu, Alin; Unnthorsson, Runar (Hindawi Limited, 2018)
    Electronic travel aids (ETAs) have been in focus since technology allowed designing relatively small, light, and mobile devices for assisting the visually impaired. Since visually impaired persons rely on spatial audio cues as their primary sense of ...
  • Mökkönen, Harri (Aalto University, Helsinki;University of Iceland, Reykjavik, 2016)
    A polymer escaping from a confining external potential represents a generic description of long macromolecules crossing an energy barrier. This type of barrier crossing problems are typical in nano- and microscale polymeric systems, where the polymers ...
  • Bessarab, Pavel; Müller, Gideon Philipp; Lobanov, Igor S.; Rybakov, Filipp N.; Kiselev, Nikolai S.; Jónsson, Hannes; Uzdin, Valery M.; Blügel, Stefan; Bergqvist, Lars; Delin, Anna (Springer Nature, 2018-02-21)
    The skyrmion racetrack is a promising concept for future information technology. There, binary bits are carried by nanoscale spin swirls–skyrmions–driven along magnetic strips. Stability of the skyrmions is a critical issue for realising this technology. ...
  • Reginsson, Gunnar W.; Ingason, Andres; Euesden, Jack; Bjornsdottir, Gyda; Ólafsson, Sigurgeir; Sigurdsson, Engilbert; Óskarsson, Högni; Tyrfingsson, Þórarinn; Rúnarsdóttir, Valgerður; Hansdóttir, Ingunn; Steinberg, Stacy; Stefánsson, Hreinn; Gudbjartsson, Daniel; Thorgeirsson, Thorgeir; Stefánsson, Kári (Wiley, 2017-02-23)
    We use polygenic risk scores (PRSs) for schizophrenia (SCZ) and bipolar disorder (BPD) to predict smoking, and addiction to nicotine, alcohol or drugs in individuals not diagnosed with psychotic disorders. Using PRSs for 144 609 subjects, including 10 ...
  • Ricco, L. S.; Dessotti, F. A.; Shelykh, Ivan A.; Figueira, M. S.; Seridonio, A. C. (Springer Nature, 2018-02-12)
    We investigate theoretically thermal and electrical conductances for the system consisting of a quantum dot (QD) connected both to a pair of Majorana fermions residing at the edges of a Kitaev wire and two metallic leads. We demonstrate that both ...
  • Schmith, Johanne (PhD-defence at University of Copenhagen, 2017-08-25)
    Iceland is one of the most active terrestrial volcanic regions on Earth with an average of more than 20 eruptions per century. Around 80% of all events are tephra generating explosive eruptions, but less than 10 % of all known tephra layers have been ...
  • Hostiuc, Sorin; Moldoveanu, Alin; Dascălu, Maria-Iuliana; Unnthorsson, Runar; Jóhannesson, Ómar I.; Marcus, Ioan (Springer Nature, 2016-01-15)
    Translational research tries to apply findings from basic science to enhance human health and well-being. Many phases of the translational research may include non-medical tasks (information technology, engineering, nanotechnology, biochemistry, animal ...
  • Balan, Oana; Moldoveanu, Alin; Moldoveanu, Florica; Nagy, Hunor; Wersenyi, Gyorgy; Unnthorsson, Runar (American Foundation for the Blind., 2017-03)
    As the number of people with visual impairments (that is, those who are blind or have low vision) is continuously increasing, rehabilitation and engineering researchers have identified the need to design sensorysubstitution devices that would offer ...
  • Spagnol, Simone; Hoffmann, Rebekka; Herrera Martínez, Marcelo; Unnthorsson, Runar (Elsevier BV, 2018-07)
    Translating visual representations of real environments into auditory feedback is one of the key challenges in the design of an electronic travel aid for visually impaired persons. Although the solutions currently available in the literature can lead ...
  • Jóhannesson, Ómar; Balan, Oana; Unnthorsson, Runar; Moldoveanu, Alin; Kristjánsson, Árni (MDPI AG, 2016-06-27)
    The Sound of Vision project involves developing a sensory substitution device that is aimed at creating and conveying a rich auditory representation of the surrounding environment to the visually impaired. However, the feasibility of such an approach ...
  • Pfeffer, Melissa; Bergsson, Baldur; Barsotti, Sara; Stefansdottir, Gerdur; Galle, Bo; Arellano, Santiago; Conde, Vladimir; Donovan, Amy; Ilyinskaya, Evgenia; Burton, Mike; Aiuppa, Alessandro; Whitty, Rachel; Simmons, Isla; Arason, Þórður; Jónasdóttir, Elín; Keller, Nicole; Yeo, Richard; Arngrímsson, Hermann; Jóhannsson, Þorsteinn; Butwin, Mary; Askew, Robert; DUMONT, Stéphanie; von Löwis, Sibylle; Ingvarsson, Þorgils; La Spina, Alessandro; Thomas, Helen; Prata, Fred; Grassa, Fausto; Giudice, Gaetano; Stefansson, Andri; Marzano, Frank; Montopoli, Mario; Mereu, Luigi (MDPI AG, 2018-01-18)
    he 2014–2015 Bárðarbunga fissure eruption at Holuhraun in central Iceland was distinguished by the high emission of gases, in total 9.6 Mt SO2, with almost no tephra. This work collates all ground-based measurements of this extraordinary eruption cloud ...
  • Hauri, Erik H.; Maclennan, J.; McKenzie, D.; Gronvold, K.; Óskarsson, N.; Shimizu, N. (Geological Society of America, 2017-11-16)
    Primitive basalt melt inclusions from Borgarhraun, northern Iceland, display large correlated variations in CO2 and nonvolatile incompatible trace elements (ITEs) such as Nb, Th, Rb, and Ba. The average CO2/ITE ratios of the Borgarhraun melt inclusion ...

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