Now showing items 19081-19100 of 36342

    • Marine CO2 system variability in a high arctic tidewater-glacier fjord system, Tempelfjorden, Svalbard 

      Ericson, Ylva; Falck, Eva; Chierici, Melissa; Fransson, Agneta Ingrid; Kristiansen, Svein (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-05-04)
      The marine CO<sub>2</sub> system in Tempelfjorden (Svalbard) was investigated between August 2015 and December 2017 using total alkalinity, pH, temperature, salinity, oxygen isotopic ratio, and nutrient data. Primary production resulted in the largest changes that were observed in the partial pressure of CO<sub>2</sub> (<i>p</i>CO<sub>2</sub>, 140 μatm) and the saturation state of aragonite ...
    • Palliative patients get greater relief from early screening of symptoms and implementation of measures 

      Vigstad, Sverre; Clancy, Anne; Broderstad, Ann Ragnhild (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-21)
      <i>Background</i>: Palliative cancer patients experience a complex clinical picture. Research shows little correlation between nurses’ impressions of the patient’s symptoms and the patient’s experience of their own symptoms. National guidelines recommend the use of screening tools to chart and evaluate the patient’s symptoms systematically.<p><p> <i>Objective</i>: The objective of the study is ...
    • Brukermedvirkning, likeverd og forutsigbarhet for den eldre pasienten 

      Evju, Anne Svelstad (Journal article; Tidsskriftartikkel; Peer reviewed, 2019)
      Den nylig utgitte Nasjonal helse- og sykehusplan 2020-2023 (Meld. St. 7 (2019-2020)) gir retning og rammer for utvikling av spesialisthelsetjenesten og samarbeidet med den kommunale helse- og omsorgstjenesten de neste fire årene. Brukermedvirkning, likeverdighet og forutsigbarhet er viktige prinsipper som fremheves i planen og som vi som helsepersonell skal strebe etter å innfri. Hvordan kan vi ...
    • Adaptive fluctuation imaging captures rapid subcellular dynamics 

      Opstad, Ida Sundvor; Ströhl, Florian; Birgisdottir, Åsa birna; Maldonado, Sebastián Andrés Acuña; Kalstad, Trine; Myrmel, Truls; Agarwal, Krishna; Ahluwalia, Balpreet Singh (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-22)
      In this work we have explored the live-cell friendly nanoscopy method Multiple Signal Classification Algorithm (MUSICAL) for multi-colour imaging of various organelles and sub-cellular structures in the cardiomyoblast cell line H2c9. We have tested MUSICAL for fast (up to 230Hz), multi-colour time-lapse sequences of various sub-cellular structures (mitochondria, endoplasmic reticulum, microtubules, ...
    • Frenulate siboglinids at high Arctic methane seeps and insight into high latitude frenulate distribution 

      Sen, Arunima; Didriksen, Alena; Hourdez, Stephane; Svenning, Mette Marianne; Rasmussen, Tine Lander (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-01-09)
      Frenulate species were identified from a high Arctic methane seep area on Vestnesa Ridge, western Svalbard margin (79°N, Fram Strait) based on mitochondrial cytochrome oxidase subunit I (mtCOI). Two species were found: <i>Oligobrachia haakonmosbiensis</i>, and a new, distinct, and undescribed <i>Oligobrachia</i> species. The new species adds to the cryptic <i>Oligobrachia</i> species complex found ...
    • Reverse Logistics Network Design for Effective Management of Medical Waste in Epidemic Outbreaks: Insights from the Coronavirus Disease 2019 (COVID-19) Outbreak in Wuhan (China) 

      Yu, Hao; Sun, Xu; Solvang, Wei Deng; Zhao, Xu (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-03-09)
      The outbreak of an epidemic disease may pose significant treats to human beings and may further lead to a global crisis. In order to control the spread of an epidemic, the effective management of rapidly increased medical waste through establishing a temporary reverse logistics system is of vital importance. However, no research has been conducted with the focus on the design of an epidemic reverse ...
    • Liver sinusoidal endothelial cells contribute to the uptake and degradation of entero bacterial viruses 

      Øie, Cristina Ionica; Wolfson, Deanna; Yasunori, Tanji; Dumitriu, Gianina; Sørensen, Karen Kristine; McCourt, Peter Anthony; Ahluwalia, Balpreet Singh; Smedsrød, Bård (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-01-21)
      The liver is constantly exposed to dietary antigens, viruses, and bacterial products with inflammatory potential. For decades cellular uptake of virus has been studied in connection with infection, while the few studies designed to look into clearance mechanisms focused mainly on the role of macrophages. In recent years, attention has been directed towards the liver sinusoidal endothelial cells ...
    • Vertical export of marine pelagic protists in an ice-free high-Arctic fjord (Adventfjorden, West Spitsbergen) throughout 2011-2012 

      Marquardt, Miriam; Skogseth, Ragnheid; Wiedmann, Ingrid; Vader, Anna; Reigstad, Marit; Cottier, Finlo Robert; Gabrielsen, Tove M. (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-06-06)
      The ecosystem role of Arctic microbial communities is still largely unknown. Based on a time-series study at the IsA station (West Spitsbergen), the seasonality and contribution of pelagic protists to the vertical flux was investigated at 7 time points during 2011-2012. The hydrography of this high-Arctic fjord was evaluated to identify impacts on the community composition during the different ...
    • Context Centric Approach of Semantic Image Annotation and Retrieval 

      Elahi, Najeeb (Doctoral thesis; Doktorgradsavhandling, 2020-03-27)
      This thesis proposes a novel approach to explore and extract context information attached with images, mainly gathered from social network sites. I first performed a user study, to understand the user behavior on social network sites. I inferred that the relationship among users have central importance.<p> <p>To assist users to annotate images in social network, I use existing metadata gathered ...
    • Analysing changes in disaster terminology over the last decade 

      Staupe-Delgado, Reidar (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-25)
      Disaster researchers devote considerable attention to concept formation in an attempt to steer DRR terminology towards greater definitional coherence. Many researchers and policy makers frequently turn to UNISDR and their oft-cited terminology guide to ensure that concepts are employed consistently between agencies and research projects. An update to this guide introduced in 2017 introduced a range ...
    • Lexical and grammatical development in children at family risk of dyslexia from early childhood to school entry: a cross-lagged analysis 

      Caglar-Ryeng, Ømur; Eklund, Kenneth; Nergård-Nilssen, Trude (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-18)
      The aim of this study was to examine (a) the development of vocabulary and grammar in children with family-risk (FR) of dyslexia and their peers with no such risk (NoFR) between ages 1;6 and 6;0, and (b) whether FR-status exerted an effect on the direction of temporal relationships between these two constructs. Groups were assessed at seven time-points using standardised tests and parental reports. ...
    • Identification and prevalence of adventitious lung sounds in a general adult population 

      Aviles Solis, Juan Carlos (Doctoral thesis; Doktorgradsavhandling, 2020-04-01)
      The main goal of this work was to describe the prevalence of adventitious lung sounds (wheezes and crackles) in a general population. We obtained lung sound recordings from 4033 participants in the 7th survey of the Tromsø. We observed a crude prevalence of adventitious lung sounds in 28% of the participants; 18 % had wheezes, 13% had crackles. Age, female sex, self-reported asthma, and current ...
    • Performing visual empowerment: Norwegian youth culture, languages, and cross-sense communication 

      Halvorsen, Rolf Piene; Hansen, Aase Lyngvær; Hydle, Ida Marie (Journal article; Tidsskriftartikkel, 2019-06-10)
      This article highlights how deaf, hard-of-hearing and hearing people in Norway have an ability for visual languaging, building new relations, making new social order, handling the pressure of phonocentricity, establishing a peer group, and performing their visual identity in multiple ways. In a cross-field analysis of linguistics, medicine and anthropology, we explore how young people succeed in ...
    • NIPSNAP1 and NIPSNAP2 Act as “Eat Me” Signals for Mitophagy 

      Abudu, Yakubu Princely; Pankiv, Serhiy; Mathai, Benan John; Lystad, Alf Håkon; Bindesbøll, Christian; Brenne, Hanne Britt; Ng, Matthew Yoke Wui; Thiede, Bernd; Yamamoto, Ai; Nthiga, Thaddaeus Mutugi; Lamark, Trond; Esguerra, Camila Vicencio; Johansen, Terje; Simonsen, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-11)
      The clearance of damaged or dysfunctional mitochondria by selective autophagy (mitophagy) is important for cellular homeostasis and prevention of disease. Our understanding of the mitochondrial signals that trigger their recognition and targeting by mitophagy is limited. Here, we show that the mitochondrial matrix proteins 4-Nitrophenylphosphatase domain and non-neuronal SNAP25-like protein homolog ...
    • Association between soft drink consumption and mortality in 10 European countries 

      Mullee, Amy; Romaguera, Dora; Pearson-Stuttard, Jonathan; Viallon, Vivian; Stepien, Magdalena; Freisling, Heinz; Fagherazzi, Guy; Mancini, Francesca Romana; Boutron-Ruault, Marie-Christine; Kühn, Tilman; Kaaks, Rudolf; Boeing, Heiner; Aleksandrova, Krasimira; Tjønneland, Anne; Halkjær, Jytte; Overvad, Kim; Weiderpass, Elisabete; Skeie, Guri; Parr, Christine Louise; Quirós, José Ramón; Agudo, Antonio; Sánchez, María-José; Amiano, Pilar; Cirera, Lluis; Ardanaz, Eva; Khaw, Kay-Tee; Tong, Tammy Y.N.; Schmidt, Julie A.; Trichopoulou, Antonia; Martimianaki, Georgia; Karakatsani, Anna; Palli, Domenico; Agnoli, Claudia; Tumino, Rosario; Sacerdote, Carlotta; Panico, Salvatore; Bueno-de-Mesquita, Hendrik Bastiaan; Verschuren, W.M. Monique; Boer, Jolanda M.A.; Vermeulen, Roel; Ramne, Stina; Sonestedt, Emily; Van Guelpen, Bethany; Holgersson, Pernilla Lif; Tsilidis, Konstantinos K.; Heath, Alicia K.; Muller, David; Riboli, Elio; Gunter, Marc J.; Murphy, Neil (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-09-03)
      <i>Importance</i> - Soft drinks are frequently consumed, but whether this consumption is associated with mortality risk is unknown and has been understudied in European populations to date.<p><p> <i>Objective</i> - To examine the association between total, sugar-sweetened, and artificially sweetened soft drink consumption and subsequent total and cause-specific mortality.<p><p> <i>Design, ...
    • Reconstruction of past and present methane emission in the Arctic cold seeps using biogeochemical proxies 

      Yao, Haoyi (Doctoral thesis; Doktorgradsavhandling, 2020-03-26)
      Global warming is now highly concerned by society as extreme weather is more often than ever, and the Arctic is experiencing warming twice as fast as the global mean. A large amount of carbon is stored in the forms of methane and methane hydrate in the continental margins worldwide. Methane is the most predominant gaseous compound in natural gas hydrate, which is stable under low temperature and ...
    • Direct growth of single-layer terminated vertical graphene array on germanium by plasma enhanced chemical vapor deposition 

      Al-Hagri, Abdulrahman; Li, Ru; Rajput, Nitul S; Lu, Jin-You; Cong, Shan; Sloyan, Karen; Almahri, Mariam Ali; Tamalampudi, Srinivasa Reddy; Chiesa, Matteo; Al Ghaferi, Amal (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-08-26)
      Vertically aligned graphene nanosheet arrays (VAGNAs) exhibit large surface area, excellent electron transport properties, outstanding mechanical strength, high chemical stability, and enhanced electrochemical activity, which makes them highly promising for application in supercapacitors, batteries, fuel cell catalysts, etc. It is shown that VAGNAs terminated with a high-quality single-layer graphene ...
    • Recent trends in operation modal analysis techniques and its application on a steel truss bridge 

      Singh, Harpal; Grip, Niklas (Journal article; Tidsskriftartikkel; Peer reviewed, 2019)
      Aging of infrastructure causes many problems with great consequences, essentially economical. Operation modal analysis (OMA) is one of the most crucial techniques used for dynamic analysis of civil engineering structures (e.g. bridges, dams or tunnels). OMA uses various time and frequency domain methods to obtain the modal parameters. The analysis of OMA techniques can be used to detect, locate and ...
    • Experimental study of ice accretion on S826 & S832 wind turbine blade profiles 

      Jin, Jia Yi; Virk, Muhammad Shakeel (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-10-16)
      To optimize the aerodynamic performance and reduce production losses of wind turbine operating in icing conditions, it is necessary to better understand the ice accretion physics along wind turbine blade. This paper describes a case study of ice accretion physics and its effects on aerodynamic performance of S826 and S832 airfoils for dry and wet ice conditions. Both these airfoils have different ...
    • An investigation into empirical ice density formulations for dry ice growth on cylinders 

      Sokolov, Pavlo; Virk, Muhammad Shakeel (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-10-17)
      This paper describes an investigation into the empirical accreted icing density formulations, namely the numerical fits by (Makkonen and Stallabrass, 1984) and (Jones, 1990). Typically, the icing severity is estimated by the masses of the accreted ice, however, for this study the focus is primarily on the accreted ice densities and thicknesses for the main purpose of estimating the ice loads, in ...