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Effects of life-history traits and network topological characteristics on the robustness of marine food webs
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-08)Management targets for biodiversity preservation are shifting from individual species to an ecosystem-wide focus. Indeed, the perturbation analysis of interaction networks, such as food webs, better captures the response of biodiversity to environmental pressures than single-species considerations. Here we propose a framework that examines food web robustness to a given perturbation based on ... -
Frame Alignment Between Environmentalists and the Sámi in the Forest Dispute in Inari, Finland Until the 2000s—Competing Conservation Needs and Obstacles for Co-Living With the Non-Human
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-12)The cooperation between Sá mi actors and environmentalists in the resistance of loggings in the conflict over forestry in Inari, in Finnish Sá pmi, in the 2000s has been presented as a cohesive alliance, innovative in creating new political space and channels of influence. Looking more closely, there were foundational non-aligning factors causing friction to the alliance, relating to the legitimacy ... -
Experimental Study of Power Generation and COD Removal Efficiency by Air Cathode Microbial Fuel Cell Using Shewanella baltica 20
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-05)Microbial fuel cells (MFCs) are a kind of bioreactor for generating electricity, facilitated by exoelectrogens while treating wastewater. The present article focuses on the performance of an air cathode plexiglass MFC in terms of chemical oxygen demand (COD) removal efficiency and power output by performing two sets of experiments. The proton exchange membrane and electrode materials were Nafion ... -
Diagnostikk av øyeinfeksjoner. Strategimøte nr. 32, 2018
(Research report; Forskningsrapport, 2018-04)Det 32. Strategimøte i regi av Referansegruppen for eksterne kvalitetsvurderinger i bakteriologi, mykologi og parasittologi omhandlet øyeinfeksjoner og ble avholdt 31.10.2018 på Gjestehuset Lovisenberg i Oslo. På møtet deltok 40 personer fra 20 av landets medisinskmikrobiologiske laboratorier.<p> <p>Ansvarlig programkomité, som også har ferdigstilt denne avsluttende rapporten, var Hanne Brekke, ... -
Erfaringar etter handteringa av smitte og utbrot av covid-19 i Noreg hausten 2021 og vinteren 2022 i utvalde kommunar
(Research report; Forskningsrapport, 2022-07)Kommunane har hatt ei avgjerande rolle i handteringa av smitte og utbrot gjennom pandemien. Kommunane har gjort dette i samarbeid med nabokommunar, statsforvaltarar og nasjonale helsestyresmakter. Dette gjeld også for kommunane som deltok i denne gjennomgangen.<p> <p>Denne rapporten har ved hjelp av intervju med eit utval kommunar hausta erfaringar om korleis ulike kommunar har oppdaga og ... -
Behandling av muskelknuter i livmor: hurtigoversikt for samvalgsverktøy (oppdatering)
(Research report; Forskningsrapport, 2022)Muskelknuter i livmoren består av en type muskelceller og bindevev som vokser på veggen i livmoren. Rundt åtte av ti kvinner har muskelknuter, og omtrent en tredjedel av disse får plagsomme symptomer.<p> <p>Vi fant én randomisert kontrollert studie og en metodevurdering om effekt av kombinasjonsbehandling med gonadotropinfrigjørende hormon-reseptorantagonist og to Cochrane-oversikter om ... -
Nasjonalt utbrudd av Pseudomonas aeruginosa i sykehus forårsaket av ferdigfuktede ikke-sterile vaskekluter, Norge, 2021-2022
(Research report; Forskningsrapport, 2022-06)I november 2021 ble Folkehelseinstituttet varslet om at tre intensivpasienter hadde dødd av blodbaneinfeksjon med bakterien Pseudomonas aeruginosa ved Universitetssykehuset Nord-Norge i Tromsø i løpet av kort tid. De hadde identiske isolater forenlig med et klonalt utbrudd. Helgenomsekvensering viste at det var en ny sekvenstype, ST3875, som ikke har vært påvist i Norge eller andre land. Nye ... -
Several routes of cell death to secondary necrosis in the elasmobranch testis
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-07)The process of spermatogenesis features signifcant germ cell loss through apoptosis. Routine histology of the testes of wellstudied animal models hardly discloses any trace of their phagocytic clearance by the supporting Sertoli cells. This review highlights lessons learnt from the cystic, diametric testes of some seasonally migrating elasmobranchs (e.g., spiny dogfsh and blue sharks) that ofer ... -
Combined X-Ray Computed Tomography and X-Ray Fluorescence Drill Core Scanning for 3-D Rock and Ore Characterization: Implications for the Lovisa Stratiform Zn-Pb Deposit and Its Structural Setting, Bergslagen, Sweden
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-29)We present the results of a pilot study that integrates automated drill core scanning technology based on simultaneous X-ray computed tomography (XCT) and X-ray fluorescence (XRF) analyses to provide high-spatialresolution (<0.2 mm) information on 3-D rock textures and structures, chemical composition, and density. Testing of its applicability for mineral exploration and research was performed by ... -
Early Evolutionary Selection of NAD Biosynthesis Pathway in Bacteria
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-21)Bacteria use two alternative pathways to synthesize nicotinamide adenine dinucleotide (NAD) from nicotinamide (Nam). A short, two-step route proceeds through nicotinamide mononucleotide (NMN) formation, whereas the other pathway, a four-step route, includes the deamidation of Nam and the reamidation of nicotinic acid adenine dinucleotide (NAAD) to NAD. In addition to having twice as many enzymatic ... -
Colours and maps for communicating natural hazards to users with and without colour vision deficiency
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-05-14)Natural hazards are often communicated visually using colours and maps. However, users' ability to read and understand these products may be hampered by e.g., colour vision deficiency, potentially rendering the products less effective or even counter effective. To study these effects, we conducted two web-based surveys and analysed how to improve visual communication of avalanches, floods, landslides, ... -
Can biodegradable materials reduce plastic pollution without decreasing catch efficiency in longline fishery?
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-23)Longlining is a widely used fishing method. During longline fishing, some of the snoods connecting the hooks to the mainline are often lost at sea. Since snoods are made of nylon or polyester, lost snoods contribute to marine plastic pollution. Replacing nylon or polyester with a new material made of biodegradable plastics can potentially reduce macro- and microplastic pollution that is caused by ... -
Personalizing Virtual Reality for the Research and Treatment of Fear-Related Disorders: A Mini Review
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-29)This mini review presents the current state of the art in studies on the personalization of virtual reality for basic research and treatment of fear-related disorders. Of particular interest to the review are the choice of self-report measures and manipulations of contextual factors that researchers are using in their virtual reality procedures. As this mini review will show, work is starting ... -
Finite element simulation of transmission and reflection of acoustic waves in the ultrasonic transducer
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-30)In scanning acoustic microscopy (SAM), the image quality depends on several factors such as noise level, resolution, and interaction of the waves with sample boundaries. The theoretical equations for the reflection coefficient and transmission coefficient are suitable for plane boundaries but fail for curved/rough boundaries. We presented a finite element method-based modeling for the loss ... -
The Significance of Touch in Pediatric Physiotherapy
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-05-31)Change in theoretical framework over the last decades and recent research in pediatric physiotherapy, has created a debate surrounding therapeutic touch. What is the role of or is there a need for handling and hands-on facilitated guidance (facilitation)? Does it limit and/or interfere with children’s learning and development? It is frequently argued that therapeutic touch represents a passive ... -
Plasma-neutral gas interactions in various space environments: Assessment beyond simplified approximations as a Voyage 2050 theme
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-26)In the White Paper, submitted in response to the European Space Agency (ESA) Voyage 2050 Call, we present the importance of advancing our knowledge of plasma-neutral gas interactions, and of deepening our understanding of the partially ionized environments that are ubiquitous in the upper atmospheres of planets and moons, and elsewhere in space. In future space missions, the above task ... -
Combined hormonal contraceptives and vitamin D metabolism in adolescent girls
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-31)Objective: Combined hormonal contraceptive (CHC) use has been associated with higher total 25-hydroxyvitamin D (25(OH)D) levels. Here, we investigate the relation between CHC use and vitamin D metabolism to elucidate its clinical interpretation. <p>Methods: The cross-sectional Fit Futures 1 included 1038 adolescents. Here, a subgroup of 182 girls with available 25(OH)D, 1,25-dihydroxyvitamin D ... -
Novel chemical-physical autopsy investigation in sudden infant death and sudden intrauterine unexplained death syndromes
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-08)Aim: Verify the presence of inorganic nanoparticle entities in brain tissue samples from sudden infant death syndrome (SIDS)/sudden intrauterine unexplained death syndrome (SIUDS) cases. The presence of inorganic debris could be a cofactor that compromises proper brain tissue functionality. Materials & methods: A novel autopsy approach that consists of neuropathological analysis procedures ... -
Network Analysis and Boosting the Distribution to Local Consumers at Northern Senja, Norway with Potential Renewable Generation using Power Flow Control
(Master thesis; Mastergradsoppgave, 2022-06-08)Renewable generation and power flow control are increasing its importance for power systems. The promising development in the technology increases the efficiency for transferring energy. With increasing consumption, remote locations benefit from close laying power production due to reduced transfer losses. In these recent years, energy storage system and local renewable energy production injected ... -
Solar Photovoltaic Potential on Commercial Buildings in Arctic Latitudes
(Master thesis; Mastergradsoppgave, 2022-06-01)This thesis desires to study the use of solar resources in a less frequently used location, by exploring the use of a photovoltaic systems on the roof of a warehouse in Tromsø, Norway. The research is gathered using a 15 000 𝑚2 warehouse as the location, which has an annual energy consumption of 2,9 GWh. The solar resources at this location are highly dependent on season, with periods of polar ...