Opin vísindi: Recent submissions

  • Gunnþórsdóttir, Hermína (Menntavísindasvið Háskóla Íslands, 2010-12-31)
    Þessi grein byggir á eigindlegri rannsókn, einkum viðtalsgögnum, sem framkvæmd var í fjórum grunnskólum, tveimur á Íslandi og tveimur í Hollandi. Meginmarkmið rannsóknarinnar er að rannsaka, lýsa og túlka hugmyndir og skilning grunnskólakennara í ...
  • Abdullah, Nzar Rauf; Tang, Chi-Shung; Manolescu, Andrei; Gudmundsson, Vidar (MDPI AG, 2019-07-17)
    We study the transport properties of a wire-dot system coupled to a cavity and a photon reservoir. The system is considered to be microstructured from a two-dimensional electron gas in a GaAs heterostructure. The 3D photon cavity is active in the ...
  • Bessason, Bjarni; Bjarnason, Jón Örvar; Rupakhety, Rajesh (Elsevier BV, 2020-04-15)
    In June 2000 two shallow, strike slip, Mw6.5 earthquakes occurred in the middle of the largest agricultural region in Iceland. The epicentres were close to small towns and villages and almost 5000 residential buildings were affected. A great deal of ...
  • Thorisdottir, Birna; Gunnarsdottir, Ingibjorg; Viðarsdóttir, Anna Guðrún; Sigurðardóttir, Sigurveig; Birgisdottir, Bryndis Eva; Thorsdottir, Inga (MDPI AG, 2019-07-23)
    Nordic Nutrition Recommendations (NNR) recommend exclusive breastfeeding until 6 months, partial breastfeeding until 1 year or longer and irrespective of breastfeeding, avoiding solid foods before 4 months. Strong evidence was found for benefits of ...
  • Argáez, Carlos; Berthet, Jean-Claude; Björnsson, Hjörtur; Giesl, Peter; Hafstein, Sigurdur (Elsevier BV, 2019-07)
    LyapXool is a C++ program to compute complete Lyapunov functions and their orbital derivatives for any two- or three-dimensional dynamical system expressed by an autonomous ordinary differential equation. The program is user-friendly and determines the ...
  • Palsson, Olafur; Löve, Þorvarður Jón; Gunnarsdóttir, Anna Ingibjörg; Gunnarsson, Pétur Sigurður; Rúnarsdóttir, Eydís Erla; Krogh, Niels Steen; Gudbjornsson, Bjorn (BMJ, 2019-07)
    Objectives To determine in a retrospective cohort whether patients with psoriatic arthritis (PsA) who would not have fulfilled the inclusion criteria for randomised controlled trials (RCTs) for the TNF inhibitor (TNFi) chosen for their treatment (excl) ...
  • Nedelciu, Claudiu; Ragnarsdottir, Kristin Vala; Stjernquist, Ingrid (Springer Science and Business Media LLC, 2018-09-14)
    Recycling Phosphorus (P) from urban wastewater can secure part of domestic agricultural P supply and contribute to a circular P supply chain. In this paper, we use literature review, stakeholder interviews and analysis, and systems dynamics for the ...
  • Memon, Mohammad Shahbaz; Vallot, Dorothée; Zwinger, Thomas; Åström, Jan; Neukirchen, Helmut; Riedel, Morris; Book, Matthias (Copernicus GmbH, 2019-07-15)
    Scientific computing applications involving complex simulations and data-intensive processing are often composed of multiple tasks forming a workflow of computing jobs. Scientific communities running such applications on computing resources often find ...
  • Gunnarsson, Andri; Gardarsson, Sigurdur; Sveinsson, Óli G. B. (Copernicus GmbH, 2019-07-17)
    This study presents a spatiooral continuous data set for snow cover in Iceland based on the Moderate Resolution Imaging Spectroradiometer (MODIS) from 2000 to 2018. Cloud cover and polar darkness are the main limiting factors for data availability of ...
  • Sævarsdóttir, Anna Lilja; Hreiðarsdóttir, Anna Elísa; Gunnþórsdóttir, Hermína (Menntavísindasvið Háskóla Íslands, 2013-12-31)
    Í Aðalnámskrá leikskóla frá 2011 er lögð rík áhersla á foreldrasamstarf og jafnrétti. Deildarstjórar í leikskólum bera höfuðábyrgð á samvinnu sinnar deildar við foreldra og áhugavert þótti að greina reynslu þeirra af því samstarfi með tilliti til ...
  • Kulkarni, Amogh; Soni, Isha; Kelkar, Dhanashree S.; Dharmaraja, Allimuthu T.; Sankar, Rathinam K.; Beniwal, Gaurav; Rajendran, Abinaya; Tamhankar, Sharvari; Chopra, Sidharth; Kamat, Siddhesh S.; Chakrapani, Harinath (American Chemical Society (ACS), 2019-06-26)
    The alarming global rise in fatalities from multidrug-resistant Staphylococcus aureus (S. aureus) infections has underscored a need to develop new therapies to address this epidemic. Chemoproteomics is valuable in identifying targets for new drugs in ...
  • Fiebig, J.; Stefánsson, Andri; Ricci, A.; Tassi, F.; Viveiros, F.; Silva, S.; Lopez, T.M.; Schreiber, C.; Hofmann, S.; Mountain, B.W. (European Association of Geochemistry, 2019-07-29)
    Abiotic formation of n-alkane hydrocarbons has been postulated to occur within Earth's crust. Apparent evidence was primarily based on uncommon carbon and hydrogen isotope distribution patterns that set methane and its higher chain homologues apart ...
  • Morris, John N.; Berg, Katherine; Howard, Elizabeth P.; Jónsson, Pálmi V.; Craig, Meredith (Elsevier BV, 2019-08)
    Objective: To identify home care clients with substantial functional deficits who had capacity to improve and, thus, for whom recovery goals should be articulated. Design: Retrospective longitudinal analysis of an international home care database. ...
  • 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 ...