Now showing items 1041-1060 of 36939

    • Importance of substrate type and its constituents on overall performance of microbial fuel cells 

      Thakur, Somil; Calay, Rajnish K; Mustafa, Mohamad Yazid Faisal Adib; Eregno, Fasil; Patil, Ravindra Rajaram (Journal article; Tidsskriftartikkel; Peer reviewed, 2025-01-12)
      Microbial Fuel Cells (MFC) have emerged as a potential wastewater treatment technology that utilizes metabolic processes of microorganisms present in the wastewater to disintegrate organic substrates and harness direct electricity. This paper reviews the potential of different wastewater types as a suitable substrate for microbial activities in MFCs. Substrate composition (carbon source, nutrient ...
    • Iodine speciation in snow during the MOSAiC expedition and its implications for Arctic iodine emissions 

      Brown, Lucy V.; Pound, Ryan J.; Jones, Matthew R.; Rowlinson, Matthew J.; Chance, Rosie; Jacobi, Hans-Werner; Frey, Markus M.; Archer, Stephen D.; Arndt, Stefanie; Barten, Johannes G. M.; Blomquist, Byron W.; Dadic, Ruzica; Ganzeveld, Laurens N.; Hannula, Henna-Reetta; Helmig, Detlev; Jaggi, Matthias; Krampe, Daniela; Macfarlane, Amy R.; Miller, Shaun; Schneebeli, Martin; Carpenter, Lucy J. (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-12-06)
      Photochemical release of iodine from snow has been suggested as a source of reactive iodine to the Arctic atmosphere, however understanding of the underlying mechanism and potential source strength is hindered by a lack of measurements of iodine concentration and speciation in snow. Moreover, the origin of snow iodine is also unknown. Here, we report iodine speciation measurements in Arctic snow on ...
    • BrainIB: Interpretable Brain Network-Based Psychiatric Diagnosis With Graph Information Bottleneck 

      Zheng, Kaizhong; Yu, Shujian; Li, Baojuan; Jenssen, Robert; Chen, Badong (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-09-13)
      Developing new diagnostic models based on the underlying biological mechanisms rather than subjective symptoms for psychiatric disorders is an emerging consensus. Recently, machine learning (ML)-based classifiers using functional connectivity (FC) for psychiatric disorders and healthy controls (HCs) are developed to identify brain markers. However, existing ML-based diagnostic models are prone to ...
    • Improved electrochemical detection of levofloxacin in diverse aquatic samples using 3D flower-like Co@CaPO4 nanospheres 

      Alagumalai, Krishnapandi; Palanisamy, Selvakumar; Kumar, Ponnaiah Sathish; ElNaker, Nancy A.; Kim, Seong-Cheol; Chiesa, Matteo; Prakash, Periakaruppan (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-12-18)
      The misuse of antibiotics has become a concerning environmental issue, posing a significant threat to public health. Levofloxacin (LFX), a fluoroquinolone antibiotic, is particularly worrisome due to its detrimental impact on human health and the ecosystem. Therefore, the selective and accurate identification of LFX is of utmost importance. In this study, we have developed an electrochemical sensor ...
    • Experimental demonstration of a dispatchable power-to-power high temperature latent heat storage system 

      Alemam, Asem; Lopez Ferber, Nicolas; Eveloy, Valérie; Martins, Mathieu; Malm, Tommy; Chiesa, Matteo; Calvet, Nicolas (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-03-23)
      The development of electricity storage solutions is crucial to support the integration of variable renewable electricity sources in electricity systems. This study experimentally characterizes a state-of-the-art full-scale electrical thermal energy storage (ETES) system in outdoor conditions. The system integrates a 600 kWh<sub>th</sub> high-temperature latent heat storage module and a 13 kW<sub>e</sub> ...
    • Pushing the Limits of Gradient Descent for Efficient Learning on Large Images 

      Gupta, Deepak Kumar; Mago, Gowreesh; Chavan, Arnav; Prasad, Dilip K.; Thomas, Rajat Mani (Journal article; Tidsskriftartikkel; Peer reviewed, 2024)
      Traditional deep learning models are trained and tested on relatively low-resolution images (< 300 px), and cannot be directly operated on large-scale images due to compute and memory constraints. We propose Patch Gradient Descent (PatchGD), an effective learning strategy that allows us to train the existing CNN and transformer architectures (hereby referred to as deep learning models) on large-scale ...
    • X-bundet hypofosfatemi 

      Wang, Qidi; Akdeniz, Cennet; Heck, Ansgar; Bjørk, Mai Britt; Theisen, Ole Rasmus; Eggesbø, Heidi Beate; Krüger, Tormod Bjartveit; Reseland, Janne Elin; Pihlstrøm, Hege Kampen; Åsvold, Bjørn Olav; Grimnes, Guri; Grytaas, Marianne Aardal; Rafaelsen, Silje Hjorth; Thorsby, Per Medbøe; Wekre, Lena Lande; Finnes, Trine Elisabeth (Journal article; Tidsskriftartikkel; Peer reviewed, 2025-02-26)
      X-bundet hypofosfatemi er en sjelden genetisk sykdom som medfører fosfattap i nyrene, redusert mineralisering av tenner og skjelett, deformerte knokler og begrenset mobilitet. Dette har betydelige konsekvenser for helse og livskvalitet. Denne kliniske oversikten gjennomgår anbefalinger for diagnostisering, behandling og oppfølging av voksne med tilstanden.
    • Effect of tocilizumab on endothelial and platelet-derived CXC-chemokines and their association with inflammation and myocardial injury in STEMI patients undergoing primary PCI 

      Woxholt, Sindre; Ueland, Thor; Aukrust, Pål; Anstensrud, Anne Kristine; Broch, Kaspar; Tøllefsen, Ingvild Maria; Seljeflot, Ingebjørg; Halvorsen, Bente; Dahl, Tuva Børresdatter; Huse, Camilla; Andersen, Geir Øystein; Gullestad, Lars; Wiseth, Rune; Damås, Jan Kristian; Kleveland, Ola (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-10-05)
      Background: Tocilizumab improves myocardial salvage in ST-elevation myocardial infarction (STEMI) patients when administered before percutaneous coronary intervention (PCI). The mechanisms underlying ischemiareperfusion injury remain unclear. In this sub-study, we investigated whether endothelial and platelet-derived CXC chemokines are involved, as they represent inflammatory mediators from two ...
    • Socioeconomic and geographic variation in adjuvant chemotherapy among elderly patients with stage III colon cancer in Norway – a national register-based cohort study 

      Gustavsen, Elin Marthinussen; Norderval, Stig; Dørum, Liv Marit Rønning; Balto, Aina; Heimdal, Ragnhild; Vonen, Barthold Gisle; Stensland, Eva; Haukland, Ellinor Christin; Hauglann, Beate Kristin (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-12-17)
      Background About half of the patients diagnosed with colon cancer are 70 years or older. Standard treatment for stage III colon cancer is major surgical resection followed by adjuvant chemotherapy (ACT). Norwegian guidelines recommend initiation of ACT within 6 weeks after resection. Objective This study investigated socioeconomic and geographic variation in the recommended provision of ACT to ...
    • Data-driven avalanche forecasting using weather and satellite data 

      Grahn, Jakob; Bianchi, Filippo Maria; Müller, Karsten; Malnes, Eirik (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-09-23)
      Avalanche forecasting is essential for safety in mountainous regions where avalanches threaten human life and infrastructure. Traditional methods for assessing avalanche risk, such as snow pit analysis, are challenging to apply over extensive areas due to their intensive labor and resource requirements. In this study, we explore the potential of satellite-based data for avalanche forecasting by ...
    • High-arctic cultural heritage environments are deteriorated by cruise tourism: a case study from Svalbard 

      Tømmervik, Hans; Thuestad, Alma Elizabeth; Stien, Jenny; Arneberg, Marit Klemetsen; Bjerke, Jarle W. (Journal article; Tidsskriftartikkel; Peer reviewed, 2025-03-18)
      The Arctic’s environmental and heritage management authorities face increasing challenges regarding degradation and destruction of natural and cultural heritage, especially due to increasing impacts from tourism and climate change. Tourism is now an important industry in the Arctic, and a major cause of negative impacts on the environment and biodiversity. We assess the different impacts and stressors ...
    • Søsken i skyggen av sykdom. Helse og læring gjennom felleslesning 

      Fjelldal, Sunniva Solhaug (Chapter; Bokkapittel, 2024)
    • The Karasjok Case and its Significance for the Legal Survey in Finnmark 

      Ravna, Øyvind (Journal article; Tidsskriftartikkel; Peer reviewed, 2025-02-26)
      On the final day of spring 2024, the Supreme Court of Norway ruled in the Karasjok case, affirming the Finnmark Estate’s ownership rights. The Grand Chamber’s decision, passed by a narrow 6 to 5 margin, underscored divisions surrounding national property law, international Indigenous law, legal history, and Sámi customary law, which received less attention than usual in Norwegian case law.<p> <p>This ...
    • Identifying conditions leading to power quality events in Arctic Norway: Feature selection 

      Ingebrigtsen, Karoline; Bianchi, Filippo Maria; Bakkejord, Sigurd; Holmstrand, Inga Setså; Chiesa, Matteo (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-12-26)
      Higher penetration of renewable energy and increased electricity consumption makes delivering a reliable power supply a complex task. Power system operators are nevertheless required to provide a reliable power supply with a power quality within specified limits. Power quality events can cause malfunctioning of sensitive equipment for consumers in the distribution network. Communities in the periphery ...
    • Iceberg Drift Trajectories from Optical Satellite Data in the Barents Sea 

      Fisser, Henrik (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-06)
      Observed iceberg drift trajectories are needed to understand iceberg drift, and to validate ice- berg drift and deterioration models. Herein, drift trajectories of small and medium icebergs are derived from a sequence of optical Sentinel-2, Landsat, and Planet satellite acquisitions over eight days in July 2022 at Severny Island in the Barents Sea. In total, 246 icebergs are tracked visually in ...
    • MaxCutPool: differentiable feature-aware Maxcut for pooling in graph neural networks 

      Abate, Carlo; Bianchi, Filippo Maria (Journal article; Tidsskriftartikkel, 2025)
      We propose a novel approach to compute the MAXCUT in attributed graphs, i.e., graphs with features associated with nodes and edges. Our approach works well on any kind of graph topology and can find solutions that jointly optimize the MAXCUT along with other objectives. Based on the obtained MAXCUT partition, we implement a hierarchical graph pooling layer for Graph Neural Networks, which is sparse, ...
    • Unlocking the Potential of Marine Sidestreams in the Blue Economy: Lessons Learned from the EcoeFISHent Project on Fish Collagen 

      Dondero, Lorenzo; De Negri Atanasio, Giulia; Tardanico, Francesca; Lertora, Erica; Boggia, Rafaella; Capra, Vittorio; Cometto, Agnese; Costamagna, Mattia; L. S. E, Fi.; Feletti, Mirvana; Garibaldi, Fulvio; Grasso, Federica; Jenssen, Marte; Lanteri, Luca; Lian, Kjersti; Monti, Marco; Perucca, Massimo; Pinto, Cecilia; Poncini, Ilaria; Robino, Federica; Rombi, Junio Valerio; Saad Ahsan, Syed; Shirmohammadi, Nikta; Tiso, Micaela; Turrini, Federica; Zaccone, Marta; Zanotti‑Russo, Matteo; Demori, Ilaria; Ferrari, Pier Francesco; Grasselli, Elena (Journal article; Tidsskriftartikkel; Peer reviewed, 2025-03-13)
      This review provides a general overview of collagen structure, biosynthesis, and biological properties, with a particular focus on marine collagen sources, especially fisheries discards and by-catches. Additionally, well-documented applications of collagen are presented, with special emphasis not only on its final use but also on the processes enabling sustainable and safe recovery from materials ...
    • Data on Physical Properties of Sea Ice in the Northern Barents Sea and Adjacent Arctic Basin From the Nansen Legacy Project 

      Divine, Dmitry; Steer, Adam; Granskog, Mats; Gerland, Sebastian; Foss, Øyvind; Cristea, Anca; Itkin, Polona; Johansson, Malin; Down, Emily; Fransson, Agneta (Journal article; Tidsskriftartikkel; Peer reviewed, 2025-03-17)
      Recent decline of sea ice in the Barents Sea represents a clear manifestation of the ongoing Arctic warming. This study presents a compilation of data sets on sea ice physics acquired during 2018–2022 during Nansen Legacy—a Norwegian multidisciplinary national research programme that focused on the northern Barents Sea. The data were acquired using a variety of methods such as sea ice coring, thickness ...
    • Deep learning-based postoperative glioblastoma segmentation and extent of resection evaluation: Development, external validation, and model comparison 

      Cepeda, Santiago; Romero, Roberto; Luque, Lidia; García-Pérez, Daniel; Blasco, Guillermo; Luppino, Luigi Tommaso; Kuttner, Samuel; Esteban-Sinovas, Olga; Arrese, Ignacio; Solheim, Ole Skeidsvoll; Eikenes, Live; Karlberg, Anna Maria; Pérez-Núñez, Ángel; Zanier, Olivier; Serra, Carlo; Staartjes, Victor E.; Bianconi, Andrea; Rossi, Luca Francesco; Garbossa, Diego; Escudero, Trinidad; Hornero, Roberto; Sarabia, Rosario (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-11-16)
      Background - The pursuit of automated methods to assess the extent of resection (EOR) in glioblastomas is challenging, requiring precise measurement of residual tumor volume. Many algorithms focus on preoperative scans, making them unsuitable for postoperative studies. Our objective was to develop a deep learning-based model for postoperative segmentation using magnetic resonance imaging (MRI). We ...
    • På tide med et samerettsløft i akademia 

      Ravna, Øyvind (Journal article; Tidsskriftartikkel; Peer reviewed, 2025-03-10)
      Etter den enstemmige storkammerdommen i Fosen-saken (HR-2021-1975-S) for snart fire år siden, hvor Høyesterett kom til at staten hadde krenket rettighetene til to samiske reindriftssiidaer, ble det reist spørsmål om kunnskapen i same- og urfolksrett var god nok blant juristene som forvaltet konsesjonslovverket. Bestemmelsen som ble brutt var artikkel 27 i FNs konvensjon om sivile og politiske ...