Opin vísindi: Recent submissions

  • Eyþórsson, Elías; Sigurdsson, Samuel; Erlendsdóttir, Helga; Hrafnkelsson, Birgir; Kristinsson, Karl G.; Haraldsson, Ásgeir (Wiley, 2019-01-22)
    Aim: The aim was to estimate the impact of the 10-valent pneumococcal vaccine (PHiD-CV) on tympanostomy tube placements (TTP) in children under five years of age in Iceland. Methods: This population-based observational cohort study followed 11 consecutive ...
  • Vesteinsdottir, Edda; Helgason, Kristjan Orri; Sverrisson, Kristinn Orn; Gudlaugsson, Olafur; Karason, Sigurbergur (Wiley, 2019-03-19)
    Background: Infections are a frequent complication of cardiac surgery. The intraoperative use of transesophageal echocardiography (TEE) may be an underrecognized risk factor for post-operative infections. The aim of this study was to investigate infection ...
  • Khosa, Rabia Yasmin; Chen, J.T.; Winters, M.; Pálsson, Kjartan; Karhu, R.; Hassan, J.; Rorsman, N.; Sveinbjörnsson, Einar (Elsevier BV, 2019-08-01)
    We report promising results regarding the possible use of AlN or Al 2 O 3 as a gate dielectric in 4H-SiC MISFETs. The crystalline AlN films are grown by hot wall metal organic chemical vapor deposition (MOCVD) at 1100 °C. The amorphous Al 2 O 3 films ...
  • Turk-Adawi, Karam; Supervia, Marta; Lopez-Jimenez, Francisco; Pesah, Ella; Ding, Rongjing; Britto, Raquel R.; Bjarnason-Wehrens, Birna; Derman, Wayne; Abreu, Ana; Babu, Abraham S.; Santos, Claudia Anchique; Jong, Seng Khiong; Cuenza, Lucky; Yeo, Tee Joo; Scantlebury, Dawn; Andersen, Karl; Gonzalez, Graciela; Giga, Vojislav; Vulic, Dusko; Vataman, Eleonora; Cliff, Jacqueline; Kouidi, Evangelia; Yagci, Ilker; Kim, Chul; Benaim, Briseida; Estany, Eduardo Rivas; Fernandez, Rosalia; Radi, Basuni; Gaita, Dan; Simon, Attila; Chen, Ssu-Yuan; Roxburgh, Brendon; Martin, Juan Castillo; Maskhulia, Lela; Burdiat, Gerard; Salmon, Richard; Lomelí, Hermes; Sadeghi, Masoumeh; Sovova, Eliska; Hautala, Arto; Tamuleviciute-Prasciene, Egle; Ambrosetti, Marco; Neubeck, Lis; Asher, Elad; Kemps, Hareld; Eysymontt, Zbigniew; Farsky, Stefan; Hayward, Jo; Prescott, Eva; Dawkes, Susan; Santibanez, Claudio; Zeballos, Cecilia; Pavy, Bruno; Kiessling, Anna; Sarrafzadegan, Nizal; Baer, Carolyn; Thomas, Randal; Hu, Dayi; Grace, Sherry L. (Elsevier BV, 2019-08)
    Background: Despite the epidemic of cardiovascular disease and the benefits of cardiac rehabilitation (CR), availability is known to be insufficient, although this is not quantified. This study ascertained CR availability, volumes and its drivers, and ...
  • Supervia, Marta; Turk-Adawi, Karam; Lopez-Jimenez, Francisco; Pesah, Ella; Ding, Rongjing; Britto, Raquel R.; Bjarnason-Wehrens, Birna; Derman, Wayne; Abreu, Ana; Babu, Abraham S.; Santos, Claudia Anchique; Jong, Seng K.; Cuenza, Lucky; Yeo, Tee Joo; Scantlebury, Dawn; Andersen, Karl; Gonzalez, Graciela; Giga, Vojislav; Vulic, Dusko; Vataman, Eleonora; Cliff, Jacqueline; Kouidi, Evangelia; Yagci, Ilker; Kim, Chul; Benaim, Briseida; Estany, Eduardo Rivas; Fernandez, Rosalia; Radi, Basuni; Gaita, Dan; Simon, Attila; Chen, Ssu-Yuan; Roxburgh, Brendon; Martin, Juan Castillo; Maskhulia, Lela; Burdiat, Gerard; Salmon, Richard; Lomelí, Hermes; Sadeghi, Masoumeh; Sovova, Eliska; Hautala, Arto; Tamuleviciute-Prasciene, Egle; Ambrosetti, Marco; Neubeck, Lis; Asher, Elad; Kemps, Hareld; Eysymontt, Zbigniew; Farsky, Stefan; Hayward, Jo; Prescott, Eva; Dawkes, Susan; Santibanez, Claudio; Zeballos, Cecilia; Pavy, Bruno; Kiessling, Anna; Sarrafzadegan, Nizal; Baer, Carolyn; Thomas, Randal; Hu, Dayi; Grace, Sherry L. (Elsevier BV, 2019-08)
    Background: Cardiac rehabilitation (CR) is a clinically-effective but complex model of care. The purpose of this study was to characterize the nature of CR programs around the world, in relation to guideline recommendations, and compare this by World ...
  • Þorvaldsdóttir, Jóhanna; Gunnþórsdóttir, Hermína; Engilbertsson, Guðmundur (The Educational Research Institute, 2018-12-13)
    Þessi grein er byggð á gögnum úr eigindlegri rannsókn sem gerð var í tveimur íslenskum grunnskólum á höfuðborgarsvæðinu vorið 2014. Meginmarkmið rannsóknarinnar var að öðlast skilning á notkun spjaldtölva í námi og kennslu grunnskólanemenda á ...
  • Ólafsdóttir, Anna; Gunnþórsdóttir, Hermína (The Educational Research Institute, 2019)
    Greinin fjallar um niðurstöður tilviksrannsóknar þar sem leitast var við að greina hvaða þættir styðja og hverjir hamla námsframvindu nemenda í meistaranámi við Háskólann á Akureyri. Tekin voru viðtöl við þrettán útskrifaða meistaranemendur af öllum ...
  • Fagerstrøm, Asle; Pawar, Sanchit; Sigurdsson, Valdimar; Foxall, Gordon R.; Yani-de-Soriano, Mirella (Elsevier BV, 2017-07)
    Airbnb is an online marketplace for peer-to-peer accommodation rental services. In contrast to traditional rental services, personal profile images, i.e. the sellers' facial images, are present along with the housing on offer. This study aims to ...
  • Ingason, Helgi; Jónsdóttir, Elín Ragnhildur (Informa UK Limited, 2017-07-05)
    In modern organizations the work of the quality manager is varied and complex. Therefore, what common attributes should characterize an exemplary quality manager? A conceptual model has been developed, entitled The House of Competence of the Quality ...
  • Liu, Bo; Koziel, Slawomir; Ali, Nazar (Oxford University Press (OUP), 2016-11-20)
    Efficiency improvement is of great significance for simulation-driven antenna design optimization methods based on evolutionary algorithms (EAs). The two main efficiency enhancement methods exploit data-driven surrogate models and/or multi-fidelity ...
  • Cook, David; Saviolidis, Nína M.; Davidsdottir, Brynhildur; Johannsdottir, Lara; Olafsson, Snjolfur (MDPI AG, 2019-08-05)
    The development of major economic sectors can provide the bedrock on which long-lasting national economic prosperity is formed. Iceland's tourism sector is an example of a rapidly expanded industry in recent years, to the extent that it has become the ...
  • Angel Ramelli, Juan Fernando; Giangreco Puletti, Valentina; Thorlacius, Larus (Springer Science and Business Media LLC, 2019-08-01)
    We compute universal finite corrections to entanglement entropy for generalised quantum Lifshitz models in arbitrary odd spacetime dimensions. These are generalised free field theories with Lifshitz scaling symmetry, where the dynamical critical exponent ...
  • Hansmann-Roth, Sabrina; Chetverikov, Andrey; Kristjansson, Arni (Association for Research in Vision and Ophthalmology (ARVO), 2019-08-01)
    Objects have a variety of different features that can be represented as probability distributions. Recent findings show that in addition to mean and variance, the visual system can also encode the shape of feature distributions for features like color ...
  • Hrolfsdottir, Laufey; Gunnarsdottir, Ingibjorg; Birgisdottir, Bryndis Eva; Hreiðarsdóttir, Ingibjörg Th.; Smárason, Alexander; Hardardottir, Hildur; Halldorsson, Thorhallur (MDPI AG, 2019-08-11)
    Gestational diabetes mellitus (GDM) is predominantly a lifestyle disease, with diet being an important modifiable risk factor. A major obstacle for the prevention in clinical practice is the complexity of assessing diet. In a cohort of 1651 Icelandic ...
  • Banerjee, Souvik; Engelsöy, Julius; Larana-Aragon, Jorge; Sundborg, Bo; Thorlacius, Larus; Wintergerst, Nico (Springer Science and Business Media LLC, 2019-08-01)
    A macroscopic version of Einstein-Podolsky-Rosen entanglement is obtained by quenching a quadratic coupling between two O(N) vector models. A quench of the mixed vacuum produces an excited entangled state, reminiscent of purified thermal equilibrium, ...
  • Pederson, Eric R. A.; Warshan, Denis; Rasmussen, Ulla (Genetics Society of America, 2019-09-01)
    The pleurocarpous feather moss Pleurozium schreberi is a ubiquitous moss species which plays a fundamental role in many terrestrial ecosystems, for instance within the boreal forest, the Earth’s largest terrestrial biome, this species plays a significant ...
  • Lv, Zhiyong; Li, Guangfei; Chen, Yixiang; Benediktsson, Jon Atli (MDPI AG, 2019-09-16)
    Filter is a well-known tool for noise reduction of very high spatial resolution (VHR) remote sensing images. However, a single-scale filter usually demonstrates limitations in covering various targets with different sizes and shapes in a given image ...
  • Kozin, Valerii (Springer Science and Business Media LLC, 2019-09-01)
    The BCFW recursion relation in N = 4 super-Yang-Mills theory is solved using Yang-Baxter R-operators in the NMHV sector. Explicit expressions for R-invariants are obtained in terms of the chains of R-operators acting on an appropriate basic state.
  • García-Descalzo, Laura; Parro, Victorino; García-Villadangos, Miriam; Cockell, Charles S.; Moissl-Eichinger, Christine; Perras, Alex; Rettberg, Petra; Beblo-Vranesevic, Kristina; Bohmeier, Maria; Rabbow, Elke; Westall, Frances; Gaboyer, Frederik; Amils, Ricardo; Malki, Moustafa; Marteinsson, Viggó; Vannier, Pauline; Ehrenfreund, Pascale; Monaghan, Euan; Riedo, Andreas; Cabezas, Patricia; Walter, Nicolas; Gómez, Felipe Gómez (MDPI AG, 2019-09-18)
    One of the main objectives for astrobiology is to unravel and explore the habitability of environments beyond Earth, paying special attention to Mars. If the combined environmental stress factors on Mars are compatible with life or if they were less ...
  • Karlsson, Bjarni (Háskóli Íslands, Hugvísindasvið, Guðfræði- og trúarbragðadeild, 2020-04)
    Táknheimur okkar manna, myndirnar sem við gerum okkur af veruleikanum og sjónarhornin sem við höfum í huga, hafa áhrif á gjörðir okkar. Nú er komið að vatnaskilum í hnattrænni orðræðu um fátækt, vistkerf og fölmenningu sem kristallast í nýrri sýn á ...