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  • Shelke, Sandip; Sandholt, Gunnar Birgir; Sigurdsson, Snorri (Royal Society of Chemistry (RSC), 2014)
    Non-covalent and site-directed spin labeling gives easy access to spin-labeled nucleic acids for the study of their structure and dynamics by electron paramagnetic resonance (EPR) spectroscopy. In a search for improved spin labels for non-covalent ...
  • Juliusson, Haraldur Y.; Sigurdsson, Snorri (Wiley, 2020-07)
    Two o‐benzoquinone derivatives of isoindoline were synthesized for use as building blocks to incorporate isoindoline nitroxides into different compounds and materials. These o‐quinones were condensed with a number of o‐phenylenediamines to form ...
  • Emilsson, Össur Ingi (University of Iceland, School of Health Sciences, Faculty of Medicine, 2016-10)
    Introduction: Nocturnal gastroesophageal reflux (nGER) is associated with respiratory symptoms and sleep-disordered breathing (SDB), but a causal relationship has not been established. The aim of this project was to investigate the association between ...
  • Värendh, Maria; Andersson, Morgan; Björnsdóttir, Erla; Hrubos-Strøm, Harald; Johannisson, Arne; Arnardottir, Erna Sif; Gislason, Thorarinn; Júlíusson, Sigurður (Wiley, 2017-11-06)
    The prevalence and consequences of nasal obstruction in untreated obstructive sleep apnea patients are not known. The study objectives were to investigate the frequency of subjective and objective nasal obstruction in untreated sleep apnea patients and ...
  • Rasti, Behnood; Scheunders, Paul; Ghamisi, Pedram; Licciardi, Giorgio; Chanussot, Jocelyn (MDPI AG, 2018-03-20)
    Hyperspectral remote sensing is based on measuring the scattered and reflected electromagnetic signals from the Earth’s surface emitted by the Sun. The received radiance at the sensor is usually degraded by atmospheric effects and instrumental (sensor) ...
  • Kamble, Nilesh Ramesh; Gränz, Markus; Prisner, Thomas F.; Sigurdsson, Snorri (Royal Society of Chemistry (RSC), 2016)
    An isoindoline-nitroxide derivative of guanine (G, "G-spin") was shown to bind specifically and effectively to abasic sites in duplex RNAs. Distance measurements on a G-labeled duplex RNA with PELDOR (DEER) showed a strong orientation dependence. Thus, ...
  • Saha, Subham; Hetzke, Thilo; Prisner, Thomas F.; Sigurdsson, Snorri (Royal Society of Chemistry (RSC), 2018)
    In the first example of site-directed spin-labeling of unmodified RNA, a pyrrolidine-nitroxide derivative of tetramethylrosamine (TMR) was shown to bind with high affinity to the malachite green (MG) aptamer, as determined by continuous-wave (CW) ...
  • Kamble, Nilesh Ramesh; Wolfrum, Manpreet; Halbritter, Thomas; Sigurdsson, Snorri; Richert, Clemens (Wiley, 2020-01-21)
    Studying nucleic acids often requires labeling. Many labeling approaches require covalent bonds between the nucleic acid and the label, which complicates experimental procedures. Noncovalent labeling avoids the need for highly specific reagents and ...
  • Skúlason Kaldal, Gunnar (University of Iceland, School of Engineering and Natural Sciences, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science, 2019-05-20)
    High-temperature geothermal wells are drilled in stages and constructed of several concentric steel casings that are cemented over their entire external surface for sealing and structural support purposes. The structural integrity of such casings is ...
  • Kravtsov, Vasily; Khestanova, Ekaterina; Benimetskiy, Fedor A.; Ivanova, Tatiana; Samusev, Anton K.; Sinev, Ivan S.; Pidgayko, Dmitry; Mozharov, Alexey M.; Mukhin, Ivan S.; Lozhkin, Maksim S.; Kapitonov, Yuri V.; Brichkin, Andrey S.; Kulakovskii, Vladimir D.; Shelykh, Ivan; Tartakovskii, Alexander I.; Walker, Paul M.; Skolnick, Maurice S.; Krizhanovskii, Dmitry N.; Iorsh, Ivan V. (Springer Science and Business Media LLC, 2020-04-09)
    Optical bound states in the continuum (BICs) provide a way to engineer very narrow resonances in photonic crystals. The extended interaction time in these systems is particularly promising for the enhancement of nonlinear optical processes and the ...
  • Giangreco Puletti, Valentina; Pourhasan, Razieh (Springer Nature, 2017-08)
    We compute holographic Rényi entropies for spherical entangling surfaces on the boundary while considering third order Lovelock gravity with negative cosmological constant in the bulk. Our study shows that third order Lovelock black holes with hyperbolic ...
  • de Boer, Jan; Hartong, Jelle; Have, Emil; Obers, Niels; Sybesma, Watse (Stichting SciPost, 2020-08-11)
    We consider uncharged fluids without any boost symmetry on an arbitrary curved background and classify all allowed transport coefficients up to first order in derivatives. We assume rotational symmetry and we use the entropy current formalism. The ...
  • Fernández, Daniel; Rajagopal, Aruna; Thorlacius, Larus (Springer Science and Business Media LLC, 2019-12-01)
    We study out-of-equilibrium energy transport in a quantum critical fluid with Lifshitz scaling symmetry following a local quench between two semi-infinite fluid reservoirs. The late time energy flow is universal and is accommodated via a steady state ...
  • Schmidt, Louise Steffensen; Hvidberg, Christine Schøtt; Kim, Jung Rack; Karlsson, Nanna Bjørnholt (Cambridge University Press (CUP), 2019-09-30)
    The Martian mid-latitudes contain numerous small water-ice deposits, collectively termed viscous flow features (VFFs). The shape and topography of the deposits contain information on their past flow history and formation process. In order to access ...
  • Rejnmark, Lars; Bislev, Lise Sofie; Cashman, Kevin D.; Eiríksdóttir, Guðný; Gaksch, Martin; Grübler, Martin; Grimnes, Guri; Gudnason, Vilmundur; Lips, Paul; Pilz, Stefan; van Schoor, Natasja M.; Kiely, Mairead; Jorde, Rolf (Public Library of Science (PLoS), 2017-07-07)
    Background A large number of observational studies have reported harmful effects of low 25-hydroxyvitamin D (25OHD) levels on non-skeletal outcomes. We performed a systematic quantitative review on characteristics of randomized clinical trials (RCTs) ...
  • Jóhannesson, Tómas; Pálmason, Bolli; Hjartarson, Árni; Jarosch, Alexander H.; Magnússon, Eyjólfur; Belart, Joaquín M. C.; Gudmundsson, Magnus Tumi (Cambridge University Press (CUP), 2020-06-02)
    Non-surface mass balance is non-negligible for glaciers in Iceland. Several Icelandic glaciers are in the neo-volcanic zone where a combination of geothermal activity, volcanic eruptions and geothermal heat flux much higher than the global average lead ...
  • Porsbjerg, Celeste; Ulrik, Charlotte; Skjold, Tina; Backer, Vibeke; Laerum, Birger; Lehman, Sverre; Janson, Crister; Sandstrøm, Thomas; Bjermer, Leif; Dahlen, Barbro; Lundbäck, Bo; Ludviksdottir, Dora; Björnsdóttir, Unnur; Altraja, Alan; Lehtimäki, Lauri; Kauppi, Paula; Karjalainen, Jussi; Kankaanranta, Hannu (Informa UK Limited, 2018-01)
    Although a minority of asthma patients suffer from severe asthma, they represent a major clinical challenge in terms of poor symptom control despite high-dose treatment, risk of exacerbations, and side effects. Novel biological treatments may benefit ...
  • Pihl, Joron; Holm, Gunilla; Riitaoja, Anna-Leena; Kjaran, Jón; Carlson, Marie (Informa UK Limited, 2018-01-23)
    The purpose of this article is analysis of discursive marginalisation through education in Nordic welfare states. What knowledge do Nordic research discourses produce about marginalisation through education in Nordic welfare states? What are the ...
  • Wozniczka, Anna Katarzyna; Rosvall, Per-Åke (Akadémiai Kiadó Zrt., 2019)
    Through a cross-national analysis of Iceland and Sweden, we investigate How are the two countries’ national and local educational systems ensuring access to education and social inclusion of immigrants and refugees? How do immigrant and refugee students ...
  • Christensen, Jacob Juel; Arnesen, Erik Kristoffer; Andersen, Rikke; Eneroth, Hanna; Erkkola, Maijaliisa; Høyer, Anne; Lemming, Eva Warensjö; Meltzer, Helle Margrete; Halldorsson, Thorhallur; Thorsdottir , Inga; Schwab, Ursula; Trolle, Ellen; Blomhoff, Rune (SNF Swedish Nutrition Foundation, 2020-06-18)
    Background: The Nordic Nutrition Recommendations (NNRs) constitute the scientific basis for national dietary reference values (DRVs) and food-based dietary guidelines (FBDGs) in the Nordic and Baltic countries. Objective: To define principles and ...