Fletta eftir titli

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  • Hjörleifsson, Jens G; Ásgeirsson, Bjarni (American Chemical Society (ACS), 2017-09-07)
    The effect of ionic strength on enzyme activity and stability varies considerably between enzymes. Ionic strength is known to affect the catalytic activity of some alkaline phosphatases (APs), such as Escherichia coli AP, but how ions affect APs is ...
  • Xu, Maonian; De Boer, Hugo; Olafsdottir, Elin Soffia; Omarsdottir, Sesselja; Heiðmarsson, Starri (Oxford University Press (OUP), 2020-07-20)
    Lichens have high tolerance to harsh environmental conditions, where lichen symbiont interactions (e.g. myco- and photobionts) may play a crucial role. The characterization of fungal-algal association patterns is essential to understand their symbiotic ...
  • Gunnell, Anthony S.; Joyce, Sarah; Tomlin, Stephania; Taaffe, Dennis R.; Cormie, Prue; Newton, Robert U.; Joseph, David; Spry, Nigel; Einarsdottir, Kristjana; Galvão, Daniel A. (Frontiers Media SA, 2017-02-14)
    Evidence suggests physical activity improves prognosis following cancer diagnosis; however, evidence regarding prognosis in long-term survivors of cancer is scarce. We assessed physical activity in 1,589 cancer survivors at an average 8.8 years following ...
  • Divanoglou, Anestis; Chance-Larsen, Kenneth; Fleming, Julie; Wolfe, Michele (Australasian Society for Computers in Learning in Tertiary Education, 2017-08-31)
    An increasing number of universities offer educational programmes across multiple campuses, as a way of facilitating access to tertiary education and filling the shortage of health professionals in rural and regional settings. Offering an equitable ...
  • Singh, Francois; Wilhelm, Lea; Prescott, Alan R.; Ostacolo, Kevin; Zhao, Jin-Feng; Ogmundsdottir, Margret H.; Ganley, Ian G. (Informa, 2024-03-11)
    PINK1, mutated in familial forms of Parkinson’s disease, initiates mitophagy following mitochondrial depolarization. However, it is difficult to monitor this pathway physiologically in mice as loss of PINK1 does not alter basal mitophagy levels in most ...
  • Sigurðardóttir, Anna Kristín (Menntavísindastofnun, Menntavísindasvið, Háskóli Íslands, 2019-11-25)
    Niðurstöður PISA 2018 verða gerðar opinberar í byrjun desember 2019. Af því tilefni má búast við víðtækri umræðu í samfélaginu um menntamál og um gæði íslenska menntakerfisins. Þessari grein er ætlað að vera innlegg í þá umræðu og þá einkum um æskileg ...
  • Drobnjak, Tijana; Jónsdóttir, Anna Margrét; Helgadottir, Helga; Runólfsdóttir, Margrét Soffía; Meiri, Hamutal; Sammar, Marei; Osol, George J.; Mandalà, Maurizio; Huppertz, Berthold; Gizurarson, Sveinbjorn (Informa UK Limited, 2019-03-27)
    Introduction: Reduced concentrations of placental protein 13 (PP13) during the first trimester of human pregnancy are associated with elevated risk for the subsequent development of preeclampsia, which is one of the deadliest obstetrical complications ...
  • Olsen, Sjurdur F.; Halldorsson, Thorhallur; Thorne-Lyman, A.L.; Strøm, M.; Gørtz, S.; Granstrøm, C.; Nielsen, P.H.; Wohlfahrt, J.; Lykke, J.A.; Langhoff-Roos, J.; Cohen, A.S.; Furtado, J.D.; Giovannucci, E.L.; Zhou, W. (Elsevier BV, 2018-09)
    Background: Fish oil supplementation has been shown to delay spontaneous delivery, but the levels and clinical significance remain uncertain. We examined the association between plasma fatty acids quantified in pregnancy and subsequent risk of early ...
  • Skúladóttir, Guðrún Valgerður; Óskarsdóttir, Harpa; Pisanu, Claudia; Sjödin, Marcus; Lindberg, Johan; Mwinyi, Jessica; Schiöth, Helgi B (Dove Medical Press Ltd., 2018-10)
    Purpose: Dietary macronutrient composition, stearoyl-CoA desaturase (SCD) activity indices, and primary bile acid (BA) concentrations are among the factors that have been associated with lipid metabolism and contributed to obesity. We investigated the ...
  • Minchew, Brent; Simons, Mark; Björnsson, Helgi; Pálsson, Finnur; Morlighem, Mathieu; Seroussi, Helene; Larour, Eric; Hensley, Scott (Cambridge University Press (CUP), 2016-02)
    The mechanical properties of glacier beds play a fundamental role in regulating the sensitivity of glaciers to environmental forcing across a wide range of timescales. Glaciers are commonly underlain by deformable till whose mechanical properties and ...
  • Beck, Samantha V.; Carvalho, Gary R.; Barlow, Axel; Rüber, Lukas; Hui Tan, Heok; Nugroho, Estu; Wowor, Daisy; Mohd Nor, Siti Azizah; Herder, Fabian; Muchlisin, Zainal A.; de Bruyn, Mark (Public Library of Science (PLoS), 2017-07-25)
    The complex climatic and geological history of Southeast Asia has shaped this region’s high biodiversity. In particular, sea level fluctuations associated with repeated glacial cycles during the Pleistocene both facilitated, and limited, connectivity ...
  • Sigurdsson, Samuel; Erlendsdóttir, Helga; Quirk, Sigríður Júlía; Kristjánsson, Júlíus; Hauksson, Kristján; Andrésdóttir, Birta Dögg Ingudóttir; Jónsson, Arnar Jan; Halldórsson, Kolbeinn Hans; Saemundsson, Arni; Ólason, Óli Hilmar; Hrafnkelsson, Birgir; Kristinsson, Karl G.; Haraldsson, Ásgeir (Elsevier BV, 2017-09)
    Background Since the introduction of pneumococcal conjugate vaccines, vaccine type pneumococcal carriage and disease has decreased world-wide. The aim was to monitor changes in the nasopharyngeal carriage of pneumococci, the distribution of serotypes ...
  • Juhl, Michael; Leosson, Kristjan (American Chemical Society (ACS), 2019-12-20)
    In conventional Stokes polarimetry, where the polarimetric information is obtained from a series of intensity measurements, stable and accurate measurements typically require the optical elements to be carefully designed. Here, we propose a paradigm shift ...
  • Safreed-Harmon, Kelly; Hetherington, Kristina L.; Aleman, Soo; Alho, Hannu; Dalgard, Olav; Frisch, Tove; Gottfredsson, Magnus; Weis, Nina; Lazarus, Jeffrey V. (Public Library of Science (PLoS), 2018-01-30)
    Background and aims In the Nordic countries (Denmark, Finland, Iceland, Norway, Sweden), the prevalence of chronic hepatitis C virus (HCV) infection is relatively low in the general population, but is much higher among people who inject drugs (PWID). ...
  • Önnudóttir, Eva; Harðarson, Ólafur Þ (Stofnun stjórnsýslufræða og stjórnmála við Háskóla Íslands, 2018-05-30)
    In the research presented in this paper, we analyse whether the structure of the political cleavage system in Iceland has changed since 1983, as well as whether the impacts of party-voter linkages and the social structure of the vote have changed ...
  • Vilhelmsdóttir, Sjöfn; Kristinsson, Gunnar Helgi (Stofnun stjórnsýslufræða og stjórnmála við Háskóla Íslands, 2018-05-31)
    Economic performance has a well-known relationship to political trust. If the economy is perceived as performing well, the levels of political trust are likely to improve. During the 2008 economic crash in Iceland, this relationship seemed vindicated ...
  • Einarsdóttir, Þorgerður J.; Heijstra, Thamar Melanie; Rafnsdóttir, Gudbjörg LINDA (Stofnun stjórnsýslufræða og stjórnmála við Háskóla Íslands, 2018-05-30)
    The ethnic diversity of modern states raises the question of where successful countries are in terms of immigrant inclusion. The number of immigrants in Iceland has increased significantly since 2004, and by the end of 2016, immigrants made up around ...
  • Galeczka, Iwona; Eiriksdottir, Eydis Salome; Pálsson, Finnur; Oelkers, Eric; Lutz, Stefanie; Benning, Liane G.; Stefánsson, Andri; Kjartansdóttir, Ríkey; Gunnarsson-Robin, Jóhann; Ono, Shuhei; Ólafsdóttir, Rósa; Jónasdóttir, Elín Björk; Gíslason, Sigurður Reynir (Elsevier BV, 2017-11)
    The chemical composition of Icelandic rain and snow is dominated by marine aerosols, however human and volcanic activity can also affect these compositions. The six month long 2014–15 Bárðarbunga volcanic eruption was the largest in Iceland for more ...
  • Hess, Jonathan L.; Sigurdsson, Engilbert; Stefansson, Hreinn; Stefansson, Kari (Springer Science and Business Media LLC, 2019-09-06)
    Based on the discovery by the Resilience Project (Chen R. et al. Nat Biotechnol 34:531–538, 2016) of rare variants that confer resistance to Mendelian disease, and protective alleles for some complex diseases, we posited the existence of genetic variants ...
  • Reginsson, Gunnar W.; Ingason, Andrés; Euesden, Jack; Bjornsdottir, Gyda; Ólafsson, Sigurgeir; Sigurdsson, Engilbert; Óskarsson, Högni; Tyrfingsson, Þórarinn; Rúnarsdóttir, Valgerður; Hansdóttir, Ingunn; Steinberg, Stacy; Stefánsson, Hreinn; Gudbjartsson, Daniel; Thorgeirsson, Thorgeir; Stefansson, Kari (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 ...