Browsing University of Bergen Library by Title

Now showing items 5349-5368 of 9842

    • Low-Rank Binary Matrix Approximation in Column-Sum Norm 

      Fomin, Fedor; Golovach, Petr; Panolan, Fahad; Simonov, Kirill (Journal article; Peer reviewed, 2020)
      We consider 𝓁₁-Rank-r Approximation over {GF}(2), where for a binary m× n matrix 𝐀 and a positive integer constant r, one seeks a binary matrix 𝐁 of rank at most r, minimizing the column-sum norm ‖ 𝐀 -𝐁‖₁. We show ...

    • The lower airways microbiome and antimicrobial peptides in idiopathic pulmonary fibrosis differ from chronic obstructive pulmonary disease 

      Knudsen, Kristel Svalland; Lehmann, Sverre; Nielsen, Rune; Tangedal, Solveig; Haaland, Ingvild; Hiemstra, Pieter S.; Eagan, Tomas Mikal Lind (Journal article; Peer reviewed, 2022)
      Background The lower airways microbiome and host immune response in chronic pulmonary diseases are incompletely understood. We aimed to investigate possible microbiome characteristics and key antimicrobial peptides and ...

    • The lower airways microbiota and antimicrobial peptides indicate dysbiosis in sarcoidosis 

      Knudsen, Kristel Svalland; Lehmann, Sverre; Nielsen, Rune; Tangedal, Solveig; Paytuví-Gallart, Andreu; Sanseverino, Walter; Martinsen, Einar Marius Hjellestad; Hiemstra, Pieter S.; Eagan, Tomas Mikal Lind (Journal article; Peer reviewed, 2022-10-19)
      Background: The role of the pulmonary microbiome in sarcoidosis is unknown. The objectives of this study were the following: (1) examine whether the pulmonary fungal and bacterial microbiota differed in patients with ...

    • Lower antibiotic prescription rates in hospitalized COVID-19 patients than influenza patients, a prospective study 

      Fjelltveit, Elisabeth Berg; Cox, Rebecca Jane; Kittang, Bård Reiakvam; Blomberg, Bjørn; Buanes, Eirik A.; Langeland, Nina; Mohn, Kristin Greve-Isdahl (Journal article; Peer reviewed, 2022)
      Background COVID-19 patients are extensively treated with antibiotics despite few bacterial complications. We aimed to study antibiotic use in hospitalized COVID-19 patients compared to influenza patients in two consecutive ...

    • The lower bathyal and abyssal seafloor fauna of eastern Australia 

      O'Hara, Timothy D.; Williams, Alan; Ahyong, Shane T.; Alderslade, P.; Alvestad, Tom; Bray, D.; Burghardt, Ingo; Budaeva, Nataliya; Criscione, F.; Crowther, A.L.; Ekins, M.; Eléaume, M.; Farrelly, C.A.; Finn, J.K.; Georgieva, Magdalena N.; Graham, A.; Gomon, M.; Gowlett-Holmes, K.; Gunton, L.M.; Hallan, A.; Hosie, A.M.; Hutchings, Pat; Kise, H.; Köhler, F.; Kongsrud, Jon Anders; Kupriyanova, Elena; Lu, C.C.; Mackenzie, M.; Mah, C.; MacIntosh, H.; Merrin, Kelly L.; Miskelly, A.; Mitchell, M.L.; Moore, K.; Murray, Anna; O'loughlin, P.M.; Paxton, Hannelore; Pogonoski, J.J.; Staples, D.; Watson, J.E.; Wilson, Robin S.; Zhang, J.; Bax, N.J. (Journal article; Peer reviewed, 2020)
      Background Our knowledge of the benthic fauna at lower bathyal to abyssal (LBA, > 2000 m) depths off Eastern Australia was very limited with only a few samples having been collected from these habitats over the last ...

    • Lower Cardiac Vagal Activity Predicts Self-Reported Difficulties With Emotion Regulation in Adolescents With ADHD 

      Kvadsheim, Elisabet; Fasmer, Ole Bernt; Osnes, Berge; Koenig, Julian; Adolfsdottir, Steinunn; Eichele, Heike; Plessen, Kerstin Jessica; Sørensen, Lin (Journal article; Peer reviewed, 2020)
      Objective: To investigate the relation between cardiac vagal activity (CVA), a measure of autonomic nervous system (ANS) flexibility, and self-reported emotion regulation (ER) difficulties in adolescents with attention-d ...

    • Lower circulating neuron-specific enolase concentrations in adults and adolescents with severe mental illness 

      Andreou, Dimitrios; Steen, Nils Eiel; Jørgensen, Kjetil Nordbø; Smelror, Runar Elle; Wedervang-Resell, Kirsten; Nerland, Stener; Westlye, Lars Tjelta; Nærland, Terje; Myhre, Anne Margrethe; Joa, Inge; Reitan, Solveig Merete Klæbo; Vaaler, Arne; Morken, Gunnar; Bøen, Erlend; Elvsåshagen, Torbjørn; Boye, Birgitte; Malt, Ulrik Fredrik; Aukrust, Pål; Skrede, Silje; Kroken, Rune Andreas; Johnsen, Erik; Djurovic, Srdjan; Andreassen, Ole; Ueland, Thor; Agartz, Ingrid (Journal article; Peer reviewed, 2021)
      Background: Both neurodegenerative and neurodevelopmental abnormalities have been suggested to be part of the etiopathology of severe mental illness (SMI). Neuron-specific enolase (NSE), mainly located in the neuronal ...

    • Lower conversion rate with robotic assisted rectal resections compared with conventional laparoscopy; a national cohort study 

      Myrseth, Elisabeth; Nymo, Linn Såve; Gjessing, Petter Fosse; Kørner, Hartwig; Kvaløy, Jan Terje; Norderval, Stig (Journal article; Peer reviewed, 2021)
      Background Conversion from laparoscopic to open access colorectal surgery is associated with a poorer postoperative outcome. The aim of this study was to assess conversion rates and outcomes after standard laparoscopic ...

    • Lower education and immigrant background are associated with lower participation in a diabetes education program - Insights from adult patients in the Outcomes & Multi-morbidity In Type 2 diabetes cohort (OMIT) 

      Strandberg, Ragnhild Bjarkøy; Nilsen, Roy Miodini; Pouwer, Frans; Igland, Jannicke; Forster, Rachel Bedenis; Jenum, Anne Karen; Buhl, Esben Selmer; Iversen, Marjolein Memelink (Journal article; Peer reviewed, 2023)
      Objectives Diabetes educational programmes should be offered to patients with type 2 diabetes mellitus (T2DM). We assessed the proportion of diabetes educational program participation among adults with T2DM, and its ...

    • Lower Subjective Socioeconomic Status Is Associated With Increased Risk of Reporting Negative Experiences on Social Media. Findings From the “LifeOnSoMe”-Study 

      Skogen, Jens Christoffer; Bøe, Tormod; Finserås, Turi Reiten; Sivertsen, Børge; Hella, Randi Træland; Hjetland, Gunnhild Johnsen (Journal article; Peer reviewed, 2022)
      Objectives: To investigate the association between subjective socioeconomic status (SES) and a) frequency and daily duration of social media use, and b) self-reported negative experiences on social media platforms. Methods: ...

    • Lower-Hybrid Drift Waves Driving Electron Nongyrotropic Heating and Vortical Flows in a Magnetic Reconnection Layer 

      Chen, Li-Jen; Wang, Shan; Le Contel, Olivier; Rager, A.; Hesse, Michael; Drake, J. F.; Dorelli, J.; Ng, J.; Bessho, Naoki; Graham, D. B.; Wilson, Lynn B.; Moore, T. E.; Giles, B. L.; Paterson, W.; Lavraud, B.; Genestreti, K.; Nakamura, Rumi; Khotyaintsev, Yuri V.; Ergun, R.E.; Torbert, Roy B.; Burch, J. L.; Pollock, C.; Russell, Christopher T.; Lindqvist, Per-Arne; Avanov, Levon (Journal article; Peer reviewed, 2020)
      We report measurements of lower-hybrid drift waves driving electron heating and vortical flows in an electron-scale reconnection layer under a guide field. Electrons accelerated by the electrostatic potential of the waves ...

    • Lower-thermosphere–ionosphere (LTI) quantities: current status of measuring techniques and models 

      Palmroth, Minna; Grandin, Maxime; Sarris, Theodoros E.; Doornbos, Eelco; Tourgaidis, Stylianos; Aikio, Anita; Buchert, Stephan C.; Clilverd, Mark A.; Dandouras, I; Heelis, Roderick A.; Hoffmann, A; Ivchenko, N.; Kervalishvili, G.; Knudsen, D.; Kotova, A; Liu, H.-L.; Malaspina, D; March, G.; Marchaudon, A; Marghitu, Octav; Matsuo, T; Miloch, Wojciech Jacek; Moretto, Therese; Mpaloukidis, D; Olsen, NIls; Pfaff, R.; Papadakis, K; Pirnaris, Panagiotis; Siemes, C.; Stolle, Claudia; Suni, J.; van den IJssel, J.; Verronen, Pekka T.; Visser, P.; Yamauchi, Masatoshi (Journal article; Peer reviewed, 2021)
      The lower-thermosphere–ionosphere (LTI) system consists of the upper atmosphere and the lower part of the ionosphere and as such comprises a complex system coupled to both the atmosphere below and space above. The atmospheric ...

    • Lowering COVID-19 vaccine hesitancy among immigrants in Norway: Opinions and suggestions by immigrants 

      Kour, Prabhjot; Gele, Abdi; Arild, Aambø; Qureshi, Samera Azeem; Vedaa, Øystein; Sheikh, Naima Said; Indseth, Thor (Journal article; Peer reviewed, 2022)
      Even though COVID-19 vaccine has been proved effective, vaccine uptake and coverage has been and still is a great concern across different immigrant groups. Vaccine hesitancy remains a barrier to accept the vaccine among ...

    • LRFN5 locus structure is associated with autism and influenced by the sex of the individual and locus conversions 

      Lybæk, Helle; Robson, Michael; de Leeuw, Nicole; Hehir-Kwa, Jayne Y.; Jeffries, Aaron; Haukanes, Bjørn Ivar; Berland, Siren; de Bruijn, Diederik; Mundlos, Stefan; Spielmann, Malte; Houge, Gunnar Douzgos (Journal article; Peer reviewed, 2022)
      LRFN5 is a regulator of synaptic development and the only gene in a 5.4 Mb mammalian-specific conserved topologically associating domain (TAD); the LRFN5 locus. An association between locus structural changes and developmental ...

    • Lumpfish Cyclopterus lumpus reproduction: Pituitary gene expression, physiological and morphological changes accompanying gonadal maturation 

      Andersson, Eva; Denker, Elsa; Norberg, Birgitta; Schulz, Rüdiger W.; Olausson, Sara; Thorsen, Anders; Stefansson, Sigurd Olav; Imsland, Albert (Journal article; Peer reviewed, 2022)
      Lumpfish is the most important cleanerfish species in Atlantic salmon farming. Detailed information on the gonadal maturation process is a prerequisite for year-round production of juvenile lumpfish. In the present study ...

    • Lung function at term in extremely preterm-born infants: A regional prospective cohort study 

      Bentsen, Mariann; Markestad, Trond; Øymar, Knut; Halvorsen, Thomas (Journal article; Peer reviewed, 2017)
      Objectives: To compare lung function of extremely preterm (EP)-born infants with and without bronchopulmonary dysplasia (BPD) with that of healthy term-born infants, and to determine which perinatal characteristics were ...

    • Lyme neuroborreliosis with encephalitis; a systematic literature review and a Scandinavian cohort study 

      Knudtzen, Fredrikke Christie; Eikeland, Randi; Bremell, Daniel; Paulsen, Else Quist; Johansen, Isik Somuncu; Solheim, Anne Marit; Skarphédinsson, Sigurdur (Journal article; Peer reviewed, 2022)
      Background Lyme neuroborreliosis (LNB) presenting with encephalitis is rare and scarcely described. Objectives To describe the available literature on LNB encephalitis and to characterize this patient group through a ...

    • Lærerstudenters opplevelse av sammenheng mellom undervisning og praksis 

      Kaldahl, Anne-Grete; Skotheim, Torhild; Johannessen, Baard (Chapter, 2023)

    • Machine Learning Approaches for Biomarker Discovery Using Gene Expression Data 

      Zhang, Xiaokang; Jonassen, Inge; Goksøyr, Anders (Chapter, 2021)
      Biomarkers are of great importance in many fields, such as cancer research, toxicology, diagnosis and treatment of diseases, and to better understand biological response mechanisms to internal or external intervention. ...

    • Machine learning approaches in microbiome research: challenges and best practices 

      Papoutsoglou, Georgios; Tarazona, Sonia; Lopes, Marta B.; Klammsteiner, Thomas; Ibrahimi, Eliana; Eckenberger, Julia; Novielli, Pierfrancesco; Tonda, Alberto; Simeon, Andrea; Shigdel, Rajesh; Béreux, Stéphane; Vitali, Giacomo; Tangaro, Sabina; Lahti, Leo; Temko, Andriy; Claesson, Marcus J.; Berland, Magali (Journal article; Peer reviewed, 2023)
      Microbiome data predictive analysis within a machine learning (ML) workflow presents numerous domain-specific challenges involving preprocessing, feature selection, predictive modeling, performance estimation, model ...