Now showing items 1265-1284 of 2900

    • Impact of photochemical ageing on Polycyclic Aromatic Hydrocarbons (PAH) and oxygenated PAH (Oxy-PAH/OH-PAH) in logwood stove emissions 

      Miersch, T; Czech, H; Hartikainen, A; Ihalainen, M; Orasche, J; Abbaszade, G; Tissari, J; Streibel, T; Jokiniemi, J; Sippula, O; Zimmermann, R (Elsevier BV, 2019)
      The combustion of spruce logwood in a modern residential stove was found to emit polycyclic aromatic hydrocarbons (PAH) and oxygenated polycyclic aromatic hydrocarbons (OPAH) with emission factors of 404 μg MJ−1 of 35 ...
      Tieteelliset aikakauslehtiartikkelit

    • Impact of Populus Plantations on Water and Soil Quality 

      Dimitriou Ioannis; Mola-Yudego Blas (Springer Nature, 2017)
      Trees of genus Populus (in our context primarily poplars) are predominantly grown in Sweden in small plantations on arable land in southern and central parts of the country to produce biomass for energy and other purposes. ...

    • Impact of Structurally Diverse BET Inhibitors on SIRT1 

      Tenhunen, Jonna; Kokkola, Tarja; Huovinen, Marjo; Rahnasto-Rilla, Minna; Lahtela-Kakkonen, Maija (Elsevier BV, 2020)
      The epigenetic regulation of gene expression is controlled by various processes, of which one is histone acetylation. Many proteins control gene expression via histone acetylation. Those proteins include sirtuins (SIRTs) ...
      Tieteelliset aikakauslehtiartikkelit

    • Impacts of drainage, restoration and warming on boreal wetland greenhouse gas fluxes 

      Laine, AM; Mehtätalo, M; Tolvanen, A; Frolking, S; Tuittila, ES (Elsevier BV, 2018)
      Northern wetlands with organic soil i.e., mires are significant carbon storages. This key ecosystem service may be threatened by anthropogenic activities and climate change, yet we still lack a consensus on how these major ...
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    • Impacts of emission reductions on aerosol radiative effects 

      Pietikäinen, J-P; Kupiainen, K; Klimont, Z; Makkonen, R; Korhonen, H; Karinkanta, R; Hyvärinen, A-P; Karvosenoja, N; Laaksonen, A; Lihavainen, H; Kerminen, V-M (Atmospheric Chemistry and Physics, 2015)
      The global aerosol–climate model ECHAM-HAMMOZ was used to investigate changes in the aerosol burden and aerosol radiative effects in the coming decades. Four different emissions scenarios were applied for 2030 (two of them ...

    • Impacts of forests on children's diet in rural areas across 27 developing countries 

      Rasolofoson, Ranaivo A; Hanauer, Merlin M; Pappinen, Ari; Fisher, Brendan; Ricketts, Taylor H (American Association for the Advancement of Science (AAAS), 2018)
      Micronutrient deficiency affects about a third of the world’s population. Children in developing countries are particularly vulnerable. Consequences include impaired cognitive and physical development and increased childhood ...
      Tieteelliset aikakauslehtiartikkelit

    • Impacts of simulated herbivory on volatile organic compound emission profiles from coniferous plants 

      Faiola, C. L.; Jobson, B. T.; VanReken, T. M. (Copernicus GmbH, 2015)
      The largest global source of volatile organic compounds (VOCs) in the atmosphere is from biogenic emissions. Plant stressors associated with a changing environment can alter both the quantity and composition of the compounds ...

    • Impacts of the counter ions on 4,5-dicyano-1-methylimidazole silver coordination 

      Jääskeläinen, Sirpa; Appiah, Sakyibea Nana; Koshevoy, Igo; Hirva, Pipsa (Royal Society of Chemistry (RSC), 2018)
      Silver complexes [Ag(4,5-dicyano-1-methylimidazole)2]n[CF3SO3]n (1), [Ag2(4,5-dicyano-1-methylimidazole)2][NO3]2 (2) and [Ag2(4,5-dicyano-1-methylimidazole)2]n[ClO3]2n (3) were synthesized in reactions between 4,5-dicyan ...
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    • Impaired HDL2-mediated cholesterol efflux is associated with metabolic syndrome in families with early onset coronary heart disease and low HDL-cholesterol level 

      Paavola Timo; Kuusisto Sanna; Jauhiainen Matti; Kakko Sakari; Kangas-Kontio Tiia; Metso Jari; Soininen Pasi; Ala-Korpela Mika; Bloigu Risto; Hannuksela Minna L; Savolainen Markku J; Salonurmi Tuire (Public Library of Science (PLoS), 2017)
      Objective The potential of high-density lipoproteins (HDL) to facilitate cholesterol removal from arterial foam cells is a key function of HDL. We studied whether cholesterol efflux to serum and HDL subfractions is impaired ...

    • Impaired mitochondrial fatty acid synthesis leads to neurodegeneration in mice 

      Nair, Remya R; Koivisto, Henna; Jokivarsi, Kimmo; Miinalainen, Ilkka J; Autio, Kaija J; Manninen, Aki; Poutiainen, Pekka; Tanila, Heikki; Hiltunen, J Kalervo; Kastaniotis, Alexander J (Society for Neuroscience, 2018)
      There has been a growing interest toward mitochondrial fatty acid synthesis (mtFAS) since the recent discovery of a neurodegenerative human disorder termed MEPAN (mitochondrial enoyl reductase protein associated ...
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    • Implementation of the CORINE land use classification in the regional climate model remo 

      Gao, Yao; Weiher, Stefan; Markkanen, Tiina; Pietikäinen, Joni-Pekka; Gregow, Hilppa; Henttonen, Helena M.; Jacob, Daniel; Laaksonen, Ari (Boreal Environment Research Publishing Board, 2015)
      Regional climate models provide an effective way to study the effects of land use changes on regional climate conditions. A precise land cover map is a precondition for land use change studies. We introduce ...

    • Implementing Education for Sustainable Development in Namibia: School Teachers¿ Perceptions and Teaching Practices 

      Anyolo, Eveline O.; Kärkkäinen, Sirpa; Keinonen, Tuula (Walter de Gruyter GmbH, 2018)
      Education for Sustainable Development (ESD) has been viewed as education that helps people develop the attitude, skills, and knowledge to make well-informed decisions for the benefit of the present and future generations. ...
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    • Implications of layered double hydroxides assembled biochar composite in adsorptive removal of contaminants: Current status and future perspectives 

      Vithanage, Meththika; Ashiq, Ahmed; Ramanayaka, Sammani; Bhatnagar, Amit (Elsevier BV, 2020)
      In recent years, biochar composites have received considerable attention for environmental applications. This paper reviews the current state of research on Layered Double Hydroxides (LDHs) tailored biochar composites in ...
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    • The importance of nesting cavity and tree reuse in the three-toed woodpecker Picoides tridactylus in dynamic forest landscapes 

      Pakkala Timo; Tiainen Juha; Kouki Jari (Finnish Zoological and Botanical Publishing Board, 2017)
      Cavity-nesting birds can save time and energy by reusing old cavities. We studied cavity reuse and its connections to nesting success and timing in the three-toed wood-pecker Picoides tridactylus in a 170 km ...

    • Improved EEG source localization with Bayesian uncertainty modelling of unknown skull conductivity 

      Rimpiläinen, Ville; Koulouri, Alexandra; Lucka, Felix; Kaipio, Jari P; Wolters, Carsten H (Elsevier BV, 2019)
      Electroencephalography (EEG) source imaging is an ill-posed inverse problem that requires accurate conductivity modelling of the head tissues, especially the skull. Unfortunately, the conductivity values are difficult to ...
      Tieteelliset aikakauslehtiartikkelit

    • Improved Visualization of Cartilage Canals Using Quantitative Susceptibility Mapping 

      Nissi, Mikko J.; Tóth, Ferenc; Wang, Luning; Carlson, Cathy S.; Ellermann, Jutta M. (Public Library of Science (PLoS), 2015)
      Purpose Cartilage canal vessels are critical to the normal function of epiphyseal (growth) cartilage and damage to these vessels is demonstrated or suspected in several important developmental orthopaedic diseases. ...

    • Improvements in the thread cutting torque for a 6082-T6 aluminum-based alloy with tapping tools utilizing diamond coating 

      Korhonen, Hannu; Koistinen, Arto; Lappalainen, Reijo (Informa UK Limited, 2018)
      The use of thin film diamond as a hard tool coating offers a significant wear protection in numerous machining operations and increases considerably tool's lifetime. The extreme hardness of the diamond is especially needed ...
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    • Improving data sharing in research with context-free encoded missing data 

      Hoevenaar-Blom MP; Guillemont J; Ngandu T; Beishuizen CRL; Coley N; Moll van Charante EP; Andrieu S; Kivipelto M; Soininen H; Brayne C; Meiller Y; Richard E (2017)
      Lack of attention to missing data in research may result in biased results, loss of power and reduced generalizability. Registering reasons for missing values at the time of data collection, or—in the case of sharing ...

    • Improving Speaker Verification Performance in Presence of Spoofing Attacks Using Out-of-Domain Spoofed Data 

      Sarkar, Archintya; Sahidullah, Md; Tan, Zheng-Hua; Kinnunen, Tomi (ISCA (the International Speech Communication Association), 2017)
      Automatic speaker verification (ASV) systems are vulnerable to spoofing attacks using speech generated by voice conversion and speech synthesis techniques. Commonly, a countermeasure (CM) system is integrated with an ASV ...

    • Improving the language model for low-resource ASR with online text corpora 

      Hjortnaes, Nils; Arkhangelskiy, Timofey; Partanen, Niko; Rießler, Michael; Tyers, Francis M (European Language Resources Association (ELRA), 2020)
      In this paper, we expand on previous work on automatic speech recognition in a low-resource scenario typical of data collected by field linguists. We train DeepSpeech models on 35 hours of dialectal Komi speech recordings ...
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