Opin vísindi

Browsing Doktorsritgerðir- HÍ by Title

Browsing Doktorsritgerðir- HÍ by Title

Sort by: Order: Results:

  • Larranaga, Nicolas (University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences, 2016-11)
    Diel activity, the partitioning of time between periods of activity and rest, gives insights into how organisms compete for resources in time. Some species show plasticity in the rate and timing of their activity, which enables to study associations ...
  • Nyamweya, Chrispine (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2017-01)
    Lake Victoria is of immense ecological and socio-economic significance for the riparian communities. However, the lake is faced with human induced pressures such as overfishing, introduction of alien species, increased eutrophication and climate change ...
  • Silva, Teresa Sofia Giesta da (University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences, 2018-12-14)
    Krill are an important component of the Icelandic marine ecosystem. Given their important ecological niche, as conveyors of biological production between phytoplankton and higher trophic levels, fluctuations in krill abundance can have large impacts ...
  • Eysteinsdóttir, Jenna Huld (University of Iceland, School of Health Sciences, Faculty of Medicine, 2017-12-08)
    Abstract Psoriasis is a chronic immune-mediated inflammatory skin disease with profound effects on psychosocial wellbeing. Narrowband UVB phototherapy is a known effective treatment for chronic plaque psoriasis and previous studies suggest an ...
  • Kubiriza, Godfrey (University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences, 2017-06)
    Although conditions for aquaculture in Uganda and East-Africa are favourable, production remains low. One of the primary limitations to aquaculture development in the region is the lack of economical aquafeeds produced from local raw materials. In ...
  • Guðmundsdóttir, Ása Bryndís (University of Iceland, School of Health Sciences, Faculty of Medicine, 2019-06-04)
    Lækningamáttur Bláa Lónsins var uppgötvaður af sórasjúklingum skömmu eftir myndun þess og hafa jákvæð áhrif böðunar í lóninu verið staðfest í klínískum rannsóknum. Enn fremur hefur verið sýnt að böðun í lóninu samhliða UVB meðferð sé árangursríkari en ...
  • Þórólfsdóttir, Rósa B. (University of Iceland, School of Health Sciences, Faculty of Medicine, 2019-09)
    Introduction and aims: Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia and its complex pathophysiology is incompletely understood. At the time of beginning of this work, genome-wide association studies (GWAS) on AF had yielded ...
  • Khosa, Rabia Yasmin (2017)
    Silicon is a semiconductor material used in most power devices and the Si metal-oxide-semiconductor field effect transistor (MOSFET) is the key switching device for high power applications. Recently silicon carbide (SiC) MOSFETs have emerged on the ...
  • Lévy, Léa (Paris Sciences et Lettres, Laboratoire de Géologie de l'Ecole Normale Supérieure and University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2019-04)
    The electrical signature of volcanoes is affected by several characteristics of rocks: volume and salinity of pore fluid, abundance of conductive minerals, rock temperature and presence of molten crust (magma). Electromagnetic soundings are widely used ...
  • Hjálmarsdóttir, Martha Ásdís (University of Iceland, School of Health Sciences, Faculty of Medcine, 2016-10-14)
    Streptococcus pneumoniae, pneumókokkar, sem ekki voru næmir fyrir penisillíni (PÓP) fundust fyrst á Íslandi 1988 og urðu á fjórum árum 20% allra pneumókokka stofna sem greindust hjá sjúklingum. Flestir voru þeir af hjúpgerð 6Bii/E, CC90. Árið 2011 ...
  • Hermanowicz, Stefan (University of Iceland, School of Health Sciences, Faculty of Medicine, 2019-05)
    The DNA damage response is crucial to maintaining the integrity of DNA and the health of a cell. Unrepaired lesions within the DNA can lead to genomic instability and potentially aid in the formation of diseases such as cancer. Some cancers possess ...
  • 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 ...
  • Hrolfsdottir, Laufey (University of Iceland, School of Health Sciences, Faculty of Food Science and Nutrition, 2018-01)
    Aim: The aim of this Ph.D. thesis is to enhance understanding of the relation between maternal diet, gestational weight gain (GWG), and offspring’s cardio-metabolic factors. Moreover, the objective is to identify dietary predictors for excessive GWG. ...
  • Jonsdottir-Buch, Sandra Mjoll (University of Iceland, School of Health Sciences, Faculty of Medicine, 2017-09-15)
    Mesenchymal stromal cells (MSC) are promising candidates for cellular therapy due to their ability to regenerate bone and cartilage and modulate immune responses. The use of MSC in cellular therapy is problematic due to the need for fetal bovine serum ...
  • Costa, Margarida (University of Iceland, School of Health Sciences, Faculty of Pharmaceutical Sciences, 2018-12)
    The ocean represents a tremendous source of biologically active metabolites with great potential for the development of new pharmaceuticals. Marine sponges and their microbial associates are known as the most prolific source of structurally diverse and ...
  • Moreland, William (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2017-07-14)
    The 10th century Eldgjá flood lava eruption, southern Iceland, was the most voluminous eruption on Earth in the last 1100 years, erupting up to 21.0 km3 of transitional alkali basaltic magma of rather uniform composition. While 19.7 km3 was erupted as ...
  • Benediktsdóttir, Ásta Kristín (University of Iceland, School of Humanities, Faculty of Icelandic and Comparative Cultural Studies, 2019-11)
    In the late 1940s an Icelandic writer, Elías Mar (1924–2007), wrote and published novels that were set in Reykjavík and dealt with young men’s same-sex desire and sexual identity crisis. Later he became quite outspoken about his bisexuality and a ...
  • 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 ...
  • Briem, Eiríkur (University of Iceland, School of Health Sciences, Faculty of Medicine, 2018)
    Brjóstkirtillinn er myndaður af greinóttum kirtilgöngum sem umluktir eru æðaþelsríkum bandvef. Brjóstakrabbamein á upptök í kirtilþekjufrumum í endum kirtilganga. Brjóstakrabbameinsfrumur nýta sér ferli sem kallast bandvefsumbreyting þekjuvefjar til ...
  • Halldórsdóttir, Erla Dóris (Háskóli Íslands, Hugvísindasvið, Sagnfræði- og heimspekideild, 2016-09)
    Þessi ritgerð er unnin út frá heimildum um tímabil sem tvær heilbrigðisstarfsstéttir á Íslandi gengu í gegnum á 120 árum, frá 1760–1880. Læknastétt var eingöngu skipuð körlum en í yfirsetukvennastétt gátu bæði lærðir sem ólærðir karlar og konur ...