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Viser treff 14301-14320 av 36269
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Oral health and use of dental services in different stages of adulthood in Norway: a cross sectional study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-05-13)<i>Background</i> - Socioeconomic status and oral health care habits may change throughout adult life. This calls for age-stratified analyses of oral health in the adult population to uncover differences that could be of importance for organizing adequate oral health care services. The aim of the present study was to describe self-reported oral health in different age groups in a general adult ... -
Validating Acute Myocardial Infarction Diagnoses in National Health Registers for Use as Endpoint in Research: The Tromsø Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-03)<i>Purpose</i>: To assess whether acute myocardial infarction (MI) diagnoses in national health registers are sufficiently correct and complete to replace manual collection of endpoint data for a population-based, epidemiological study.<br><br> <i>Patients and Methods</i>: Using the Tromsø Study Cardiovascular Disease Register for 2013– 2014 as gold standard, we calculated correctness (defined ... -
Symptoms and signs of colorectal cancer, with differences between proximal and distal colon cancer: a prospective cohort study of diagnostic accuracy in primary care
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-08)<i>Background</i> - In an abdominal symptom study in primary care in six European countries, 511 cases of cancer were recorded prospectively among 61,802 patients 16 years and older in Norway, Denmark, Sweden, Netherlands, Belgium and Scotland. Colorectal cancer is one of the main types of cancer associated with abdominal symptoms; hence, an in-depth subgroup analysis of the 94 colorectal cancers ... -
Bærekraftig forvaltning av turistfiske. En studie av hvordan forvaltningen av turistfiske kan bli mer bærekraftig, med fokusområdet på øya Senja
(Master thesis; Mastergradsoppgave, 2020-12-15)Turistfiske er en næring som har vokst i rekordfart de siste 15-20 årene og som har utviklet seg til å bli en etablert næring mange steder langs kysten. Dette har ført til at verken myndighetene eller næringsaktører har klart å holde følge med forvaltningsutfordringene knyttet til turistfiske. Dette er også en næring som er vanskelig å forvalte, siden den faller mellom to stoler, både reiseliv og ... -
Risk of cervical intraepithelial neoplasia grade 3 or higher (CIN3+) among women with HPV-test in 1990–1992, a 30-year follow-up study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-22)<i>Background/objective</i> - Having a 30-year follow-up of a cohort of women tested for HPV is a unique opportunity to further study long-term risk of CIN3+. The study objective was to compare HPV status at baseline with the risk of CIN3+ in the follow-up period of 30 years.<br><br> <i>Methods</i> - All women (n = 642) referred to the HPV outpatient clinic at the University Hospital of North ... -
Ginseng for Erectile Dysfunction: A Cochrane Systematic Review
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021)The objectives of this study were to assess the effects of ginseng on erectile dysfunction. We searched multiple electronic databases from their inceptions to 30 January 2021 without restrictions by language. We included randomized or quasirandomized controlled trials that evaluated the use of any type of ginseng as a treatment for erectile dysfunction compared to placebo or conventional treatment. ... -
Development of 8f-labeled radiotracers for pet imaging of the adenosine a2a receptor: Synthesis, radiolabeling and preliminary biological evaluation
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02-25)The adenosine A<sub>2A</sub> receptor (A<sub>2A</sub>R) represents a potential therapeutic target for neurodegenerative diseases. Aiming at the development of a positron emission tomography (PET) radiotracer to monitor changes of receptor density and/or occupancy during the A<sub>2A</sub>R-tailored therapy, we designed a library of fluorinated analogs based on a recently published lead compound ... -
Validity and responsiveness of EQ-5D-5L and SF-6D in patients with health complaints attributed to their amalgam fillings: a prospective cohort study of patients undergoing amalgam removal
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-04-17)<i>Background</i> - Evidence of health utility changes in patients who suffer from longstanding health complaints attributed to dental amalgam fillings are limited. The change in health utility outcomes enables calculating quality-adjusted life-year (QALY) and facilitates the comparison with other health conditions. The purpose of this study was to estimate the validity and responsiveness of the ... -
Antisocial Personality Disorder Among Patients in Treatment for Alcohol Use Disorder (AUD): Characteristics and Predictors of Early Relapse or Drop-Out
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-04-19)<i>Background</i>: Patients with alcohol use disorders (AUD) vary significantly in many clinically important characteristics making them a heterogenous group. AUD patients with comorbid antisocial personality disorder (ASPD) form an important sub-group, and studies indicate that these patients may have poorer treatment outcomes. Therefore, we aimed to investigate the characteristics of AUD inpatients ... -
Flexibility-Enhancing Charging Station to Support the Integration of Electric Vehicles
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-04-01)This paper discusses the Inspiria charging station facility in Norway, which enables various charging point operators to offer different charging systems for different purposes and needs. The charging station can be considered a specific case of a shared economy, as users share the same infrastructure and much of the same space. By utilizing new technology and the differences in charging needs in ... -
Multiscale and Multimodal Optical Imaging of the Ultrastructure of Human Liver Biopsies
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02-17)The liver as the largest organ in the human body is composed of a complex macroscopic and microscopic architecture that supports its indispensable function to maintain physiological homeostasis. Optical imaging of the human liver is particularly challenging because of the need to cover length scales across 7 orders of magnitude (from the centimeter scale to the nanometer scale) in order to fully ... -
Auroral Image Processing Techniques - Machine Learning Classification and Multi-Viewpoint Analysis
(Doctoral thesis; Doktorgradsavhandling, 2021-09-30)Every year, millions of scientific images are acquired in order to study the auroral phenomena. The accumulated data contain a vast amount of untapped information that can be used in auroral science. Yet, auroral research has traditionally been focused on case studies, where one or a few auroral events have been investigated and explained in detail. Consequently, theories have often been developed ... -
Convergence and completeness for square-well Stark resonant state expansions
(Journal article; Tidsskriftartikkel; Peer reviewed, 2018-11-02)In this paper, we investigate the completeness of the Stark resonant states for a particle in a square-well potential. We find that the resonant state expansions for target functions converge inside the potential well and that the existence of this convergence does not depend on the depth of the potential well, <i>V</i><sub>0</sub>. By analyzing the asymptotic form of the terms in these expansions, ... -
Constructing a partially transparent computational boundary for UPPE using leaky modes
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-08-19)In this paper, we introduce a method for creating a transparent computational boundary for the simulation of unidirectional propagation of optical beams and pulses using leaky modes. The key element of the method is the introduction of an artificial-index material outside a chosen computational domain and utilization of the quasi-normal modes associated with such artificial structure. The method is ... -
Two Novel Lyso-Ornithine Lipids Isolated from an Arctic Marine Lacinutrix sp. Bacterium
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-31)The Lacinutrix genus was discovered in 2005 and includes 12 Gram-negative bacterial species. To the best of our knowledge, the secondary metabolite production potential of this genus has not been explored before, and examination of Lacinutrix species may reveal novel chemistry. As part of a screening project of Arctic marine bacteria, the Lacinutrix sp. strain M09B143 was cultivated, extracted, ... -
Agenda navigation in consultations covering multiple topics. A qualitative case study from general practice
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-26)Objective - To explore how agenda navigation may be accomplished underway in consultations covering multiple topics, we identified and analyzed one GP’s communicative strategies.<p> <p>Design, setting, and subjects - A qualitative observational case study with linguistic microanalysis of an exemplary consultation between a female patient with diabetes and her male GP. We used speech act theory ... -
The prognostic effect of KRAS mutations in non-small cell lung carcinoma revisited: A norwegian multicentre study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-26)Background: due to emerging therapeutics targeting KRAS G12C and previous reports with conflicting results regarding the prognostic impact of KRAS and KRAS G12C in non-small cell lung cancer (NSCLC), we aimed to investigate the frequency of KRAS mutations and their associations with clinical characteristics and outcome. Since mutation subtypes have different preferences for downstream pathways, we ... -
Nonlinear optics
(Doctoral thesis; Doktorgradsavhandling, 2021-09-24)Nonlinear light-matter interactions have been drawing attention of physicists since the 1960's. Quantum mechanics played a significant role in their description and helped to derive important formulas showing the dependence on the intensity of the electromagnetic field. High intensity light is able to generate second and third harmonics which translates to generation of electromagnetic field with ... -
Powder fever and its impact on decision-making in avalanche terrain
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-09-09)We examined the effect of emotions, associated with “powder fever”, on decision-making in avalanche terrain. Background: Skiing in avalanche terrain is a voluntary activity that exposes the participant to potentially fatal risk. Impaired decision-making in this context can therefore have devastating results, often with limited prior corrective feedback and learning opportunities. Previous research ... -
Dental caries in children and adolescents with juvenile idiopathic arthritis and controls: a multilevel analysis
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-25)Background - Optimal utilization of dental caries data is crucial in epidemiological research of individuals with juvenile idiopathic arthritis (JIA). The aims were to: explore whether caries is more prevalent among children and adolescents with JIA compared to controls; examine presence of caries according to JIA group, socio-behavioral and intraoral characteristics, and the extent to which ...