Opin vísindi

Browsing Greinar- HÍ by School "School of Science and Engineering (RU)"

Browsing Greinar- HÍ by School "School of Science and Engineering (RU)"

Sort by: Order: Results:

  • Edmunds, Kyle; Gíslason, Magnús; Sigurðsson, Sigurður; Gudnason, Vilmundur; Harris, Tamara; Carraro, Ugo; Gargiulo, Paolo (Public Library of Science (PLoS), 2018-03-07)
    Sarcopenic muscular degeneration has been consistently identified as an independent risk factor for mortality in aging populations. Recent investigations have realized the quantitative potential of computed tomography (CT) image analysis to describe ...
  • Guðmundsson, Haukur Týr; Hansen, Karen E.; Halldórsson, Bjarni; Ludviksson, Bjorn; Gudbjornsson, Bjorn (Springer Science and Business Media LLC, 2019-02-01)
    Background: Although osteoporosis is an easily diagnosed and treatable condition, many individuals remain untreated. Clinical decision support systems might increase appropriate treatment of osteoporosis. We designed the Osteoporosis Advisor (OPAD), a ...
  • Gudmundsson, Vidar; Gestsson, Hallmann; Abdullah, Nzar; Tang, Chi-Shung; Manolescu, Andrei; Moldoveanu, Valeriu (2019-03-01)
    In this work, we theoretically model the time-dependent transport through an asymmetric double quantum dot etched in a two-dimensional wire embedded in a far-infrared (FIR) photon cavity. For the transient and the intermediate time regimes, the current ...
  • Saavedra, Jose M; Þorgeirsson, Sveinn; Chang, Milan; Kristjansdottir, Hafrún; García-Hermoso, Antonio (Walter de Gruyter GmbH, 2018-06-13)
    Sports performance analysis has been a growing field of study in the last decade. However, the number of studies in handball is small. The aims of this present study were (i) to compare handball game-related statistics by the match outcome (winning and ...
  • Bordbar, Aarash; Yurkovich, James T.; Paglia, Giuseppe; Rolfsson, Óttar; Sigurjónsson, Ólafur E.; Palsson, Bernhard O. (Springer Nature, 2017-04-07)
    The increasing availability of metabolomics data necessitates novel methods for deeper data analysis and interpretation. We present a flux balance analysis method that allows for the computation of dynamic intracellular metabolic changes at the cellular ...
  • Sitek, Anna; Urbaneja Torres, Miguel; Torfason, Kristinn; Gudmundsson, Vidar; Bertoni, Andrea; Manolescu, Andrei (American Chemical Society, 2018-04-21)
    The distinctive prismatic geometry of semiconductor core-shell nanowires leads to complex localization patterns of carriers. Here, we describe the formation of optically active in-gap excitonic states induced by the interplay between localization of ...
  • Eggertsson, Hannes; Kristmundsdóttir, Snædís; Beyter, Doruk; Jónsson, Hákon; Skúladóttir, Ástrós; Hardarson, Marteinn; Gudbjartsson, Daniel; Stefansson, Kari; Halldórsson, Bjarni; Melsted, Páll (Springer Science and Business Media LLC, 2019-11-27)
    Analysis of sequence diversity in the human genome is fundamental for genetic studies. Structural variants (SVs) are frequently omitted in sequence analysis studies, although each has a relatively large impact on the genome. Here, we present GraphTyper2, ...
  • Iordache, Paul; Mates, Dana; Gunnarsson, Bjarni; Eggertsson, Hannes; sulem, patrick; Benonisdottir, 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; Mates, Ioan Nicolae; Dobra, Mihai; Nicolae, Camelia; Kristjansdottir, Sigrun; Jónasson, Jón G.; Manolescu, Andrei; Arnadottir, Gudny; Jensson, Brynjar Örn; Jonasdottir, Aslaug; Sigurdsson, Asgeir; le Roux, Louise; Johannsdottir, Hrefna; Rafnar, Thorunn; Halldórsson, Bjarni; Jinga, Viorel; Stefansson, Kari (Wiley, 2018-10-16)
    Two familial forms of colorectal cancer (CRC), Lynch syndrome (LS) and familial adenomatous polyposis (FAP), are caused by rare mutations in DNA mismatch repair genes (MLH1, MSH2, MSH6, PMS2) and the genes APC and MUTYH, respectively. No information ...
  • Sitek, Anna; Ţolea, Mugurel; Niţă, Marian; Serra, Llorenç; Gudmundsson, Vidar; Manolescu, Andrei (Springer Nature, 2017-01-10)
    We study Coulomb interacting electrons confined in polygonal quantum rings. We focus on the interplay of localization at the polygon corners and Coulomb repulsion. Remarkably, the Coulomb repulsion allows the formation of in-gap states, i.e., ...
  • Gudbjartsson, Daniel; Thorgeirsson, Gudmundur; sulem, patrick; Helgadottir, Anna; Gylfason, Arnaldur; Sæmundsdóttir, Jóna; Björnsson, Eyþór; Norðdahl, Guðmundur L.; Jónasdóttir, Áslaug; Jónasdóttir, Aðalbjörg; Eggertsson, Hannes; Grétarsdóttir, Sólveig; Thorleifsson, Gudmar; Indridason, Olafur Skuli; Palsson, Runolfur; Jónasson, Friðbert; Jonsdottir, Ingileif; Eyjólfsson, Guðmundur I.; Sigurðardóttir, Ólöf; Ólafsson, Ísleifur; Danielsen, Ragnar; Matthíasson, Stefán E.; Kristmundsdóttir, Snædís; Halldórsson, Bjarni V.; Hreiðarsson, Ástráður Benedikt; Valdimarsson, Einar M.; Gudnason, Thorarinn; Benediktsson, Rafn; Steinthorsdottir, Valgerdur; Thorsteinsdottir, Unnur; Holm, Hilma; Stefansson, Kari (Elsevier BV, 2019-12-17)
    Background: Lipoprotein(a) [Lp(a)] is a causal risk factor for cardiovascular diseases that has no established therapy. The attribute of Lp(a) that affects cardiovascular risk is not established. Low levels of Lp(a) have been associated with type 2 ...
  • Abdullah, Nzar; 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 ...
  • Gísladóttir, Þórdís Lilja; Haga, Monika; Sigmundsson, Hermundur (MDPI AG, 2019-07-20)
    The purpose of this study was twofold: First, to examine the correlation between adolescents' performance on the Movement Assessment Battery for Children -2 (MABC-2) and the Test of Motor Competence (TMC), and second, to interpret the correlation between ...
  • Abdullah, Nzar; Tang, Chi-Shung; Manolescu, Andrei; Gudmundsson, Vidar (Springer Science and Business Media LLC, 2019-10-11)
    Transport properties of a quantum dot coupled to a photon cavity are investigated using a quantum master equation in the steady-state regime. In the off-resonance regime, when the photon energy is smaller than the energy spacing between the lowest ...
  • Iordache, Paul; Mates, Dana; Gunnarsson, Bjarni; Eggertsson, Hannes; sulem, patrick; Guðmundsson, Júlíus; Benonisdottir, 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; Jinga, Viorel; Stefansson, Kari (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 ...
  • Benonisdottir, Stefania; Kristjansson, Ragnar P; Oddsson, Asmundur; Steinthorsdottir, Valgerdur; Mikaelsdottir, Evgenia; Kehr, Birte; Jensson, Brynjar O; Arnadottir, Gudny A; Sulem, Gerald; Sveinbjornsson, Gardar; Kristmundsdóttir, Snædís; Ívarsdóttir, Erna V.; Tragante, Vinicius; Gunnarsson, Bjarni; Runolfsdottir, Hrafnhildur Linnet; Arthur, Joseph G; Deaton, Aimee M; Eyjolfsson, Gudmundur I; Davidsson, Olafur B; Asselbergs, Folkert W; Hreidarsson, Astradur B; Rafnar, Thorunn; Thorleifsson, Gudmar; Edvardsson, Vidar; Sigurdsson, Gunnar; Helgadottir, Anna; Halldórsson, Bjarni; Masson, Gisli; Holm, Hilma; Önundarson, Páll Torfi; Indridason, Olafur S; Benediktsson, Rafn; Palsson, Runolfur; Gudbjartsson, Daniel F; Olafsson, Isleifur; Thorsteinsdottir, Unnur; sulem, patrick; Stefansson, Kari (Oxford University Press (OUP), 2018-11-24)
    Urine dipstick tests are widely used in routine medical care to diagnose kidney and urinary tract and metabolic diseases. Several environmental factors are known to affect the test results, whereas the effects of genetic diversity are largely unknown. ...
  • Abdullah, Nzar; Tang, Chi-Shung; Manolescu, Andrei; Gudmundsson, Vidar (MDPI AG, 2019-05-14)
    We theoretically investigate thermoelectric effects in a quantum dot system under the influence of a linearly polarized photon field confined to a 3D cavity. A temperature gradient is applied to the system via two electron reservoirs that are connected ...
  • Ágústsson, Atli; Gíslason, Magnús Kjartan; Ingvarsson, Páll E.; Rodby-Bousquet, Elisabet; Sveinsson, Thorarinn (Elsevier BV, 2019-02)
    Background: It is important to quantify a static posture to evaluate the need for and effectiveness of interventions such as physical management, physiotherapy, spinal orthosis or surgical treatment on the alignment of body segments. Motion analysis ...
  • Jónsson, Hákon; sulem, patrick; Kehr, Birte; Kristmundsdóttir, Snædís; Zink, Florian; Hjartarson, Eiríkur; Hardarson, Marteinn; Hjorleifsson, Kristjan; Eggertsson, Hannes; Guðjónsson, Sigurjón Axel; Ward, Lucas D.; Arnadottir, Gudny; Helgason, Einar A.; Helgason, Hannes; Gylfason, Arnaldur; Jónasdóttir, Aðalbjörg; Jónasdóttir, Áslaug; Rafnar, Thorunn; Besenbacher, Soren; Frigge, Michael L.; Stacey, Simon N.; Magnússon, Ólafur T.; Þorsteinsdóttir, Unnur; Másson, Gísli; Kong, Augustine; Halldórsson, Bjarni; Helgason, Agnar; Gudbjartsson, Daniel; Stefansson, Kari (Springer Nature, 2017-09-21)
    Understanding of sequence diversity is the cornerstone of analysis of genetic disorders, population genetics, and evolutionary biology. Here, we present an update of our sequencing set to 15,220 Icelanders who we sequenced to an average genome-wide ...