Browsing Luonnontieteiden, metsätieteiden ja tekniikan tiedekunta by Title

Now showing items 121-140 of 1562

    • Approaches to improve the biocompatibility and systemic circulation of inorganic porous nanoparticles 

      Tamarov, Konstantin; Näkki, Simo; Xu, Wujun; Lehto, Vesa-Pekka (Royal Society of Chemistry (RSC), 2018)
      The exploitation of various inorganic nanoparticles as drug carriers and therapeutics is becoming increasingly common. The first issue to be considered with regard to the nanomaterials being utilized in medicine centers ...
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    • Aqueous tape casting of the 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 ceramic films: Production optimization and properties 

      Kudrevicius, Tomas; Plyushch, Artyom; Ivanov, Maksim; Svirskas, Šarunas; Plaušinaitiene, Valentina; Selskis, Algirdas; Kuzhir, Polina; Banys, Juras (Springer Science and Business Media LLC, 2021)
      The 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 ceramic films were prepared using the water-based tape casting method. Two main components of the slurry are water and solids. The concentrations of other chemicals, the surfactant and ...
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    • Archaeal nitrification is a key driver of high nitrous oxide emissions from arctic peatlands 

      Siljanen, Henri M P; Alves, Ricardo J E; Ronkainen, Jussi; Lamprecht, Richard E; Bhattarai, Hem R; Bagnoud, Alexandre; Marushchak, Maija E; Martikainen, Pertti J; Schleper, Christa; Biasi, Christina (Elsevier BV, 2019)
      Bare peat surfaces created by frost action and wind erosion in permafrost peatlands have been shown to emit high amounts of nitrous oxide (N2O). With global warming, emissions of this highly potent greenhouse gas are ...
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    • Arctic soil methane sink increases with drier conditions and higher ecosystem respiration 

      Voigt, Carolina; Virkkala, Anna-Maria; Hould Gosselin, Gabriel; Bennett, Kathryn A; Black, T Andrew; Detto, Matteo; Chevrier-Dion, Charles; Guggenberger, Georg; Hashmi, Wasi; Kohl, Lukas; Kou, Dan; Marquis, Charlotte; Marsh, Philip; Marushchak, Maija E; Nesic, Zoran; Nykänen, Hannu; Saarela, Taija; Sauheitl, Leopold; Walker, Branden; Weiss, Niels; Wilcox, Evan J; Sonnentag, Oliver (Springer Nature Limited, 2023)
      Arctic wetlands are known methane (CH4) emitters but recent studies suggest that the Arctic CH4 sink strength may be underestimated. Here we explore the capacity of well-drained Arctic soils to consume atmospheric CH4 using ...

    • Are arbuscular-mycorrhizal Alnus incana seedlings more resistant to drought than ectomycorrhizal and non-mycorrhizal ones? 

      Kilpeläinen, Jouni; Aphalo, Pedro; Barbero-López, Aitor; Adamczyk, Bartosz; Nipu, Sammi Alam; Lehto, Tarja (Oxford University Press (OUP), 2020)
      Arbuscular mycorrhizas (AMs) prevail in warm and dry climates and ectomycorrhizas (EMs) in cold and humid climates. We suggest that the fungal symbionts benefit their host plants especially in the corresponding conditions. ...
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    • Are forest disturbances amplifying or canceling out climate change-induced productivity changes in European forests? 

      Reyer Christopher P. O.; Bathgate Stephen; Blennow Kristina; Borges Jose G.; Bugmann Harald; Delzon Sylvain; Faias Sonia P.; Garcia-Gonzalo Jordi; Gardiner Barry; Gonzalez-Olabarria Jose Ramon; Gracia Carlos; Guerra Hernández Juan; Kellomäki Seppo; Kramer Koen; Lexer Manfred J.; Lindner Marcus; van der Maaten Ernst; Maroschek Michael; Muys Bart; Nicoll Bruce et al. (IOP Publishing, 2017)
      Recent studies projecting future climate change impacts on forests mainly consider either the effects of climate change on productivity or on disturbances. However, productivity and disturbances are intrinsically linked ...
      info:eu-repo/semantics/article

    • Are Methylaluminoxane Activators Sheets? 

      Collins, Scott; Hasan, Galib; Joshi, Anuj; McIndoe, J Scott; Linnolahti, Mikko (Wiley, 2021)
      Density functional theory calculations on neutral sheet models for methylaluminoxane (MAO) indicate that these structures, containing 5-coordinate and 4-coordinate Al, are likely precursors to ion-pairs seen during the ...
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    • Arthroscopic near infrared spectroscopy enables simultaneous quantitative evaluation of articular cartilage and subchondral bone in vivo 

      Sarin, JK; Te Moller, NCR; Mancini, IAD; Brommer, H; Visser, J; Malda, J; van Weeren, PR; Afara, IO; Töyräs, J (Springer Nature America, Inc, 2018)
      Arthroscopic assessment of articular tissues is highly subjective and poorly reproducible. To ensure optimal patient care, quantitative techniques (e.g., near infrared spectroscopy (NIRS)) could substantially enhance ...
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    • Artificial diets determine fatty acid composition in edible Ruspolia differens (Orthoptera: Tettigoniidae) 

      Rutaro, Karlmarx; Malinga, Geoffrey M; Opoke, Robert; Lehtovaara, Vilma J; Omujal, Francis; Nyeko, Philip, Roininen, Heikki; Valtonen, Anu (Elsevier BV, 2018)
      There are increasing interests in rearing edible insects in Africa, but information on how the feeds modify their fatty acids is largely lacking. In this work, the influence of artificial diets on the fatty acid contents ...
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    • Artificial intelligence and the student experience: An institutional perspective 

      Khare, Kriti; Stewart, Brian; Khare, Anshuman (The International Academic Forum (IAFOR), 2018)
      The paper outlines the potential for Artificial Intelligence (AI) to positively impact student success. This will be approached from a student life-cycle perspective, taking an integrated view of ...
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    • Artificial neural network analysis of the oxygen saturation signal enables accurate diagnostics of sleep apnea 

      Nikkonen, S; Afara, IO; Leppänen, T; Töyräs, J (Springer Science and Business Media LLC, 2019)
      The severity of obstructive sleep apnea (OSA) is classified using apnea-hypopnea index (AHI). Accurate determination of AHI currently requires manual analysis and complicated registration setup making it expensive and labor ...
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    • Artificial Neural Network based Smart and Energy Efficient Street Lighting System: A Case Study for Residential area in Hosur 

      Mohandas, Prabu; Dhanaraj, Jerline Sheebha Anni; Gao, Xiao-Zhi (Elsevier BV, 2019)
      Smart city is the term described to integrate all facilities to the people in a frequently accessible manner. Street lighting system is one of the part of the facility provided in smart cities. The unwanted utilisation of ...
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    • Assessing and Comparing Short Term Load Forecasting Performance 

      Koponen, Pekka; Ikäheimo, Jussi; Koskela, Juha; Brester, Christina; Niska, Harri (MDPI AG, 2020)
      When identifying and comparing forecasting models, there may be a risk that poorly selected criteria could lead to wrong conclusions. Thus, it is important to know how sensitive the results are to the selection of criteria. ...
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    • Assessing Biodiversity in Boreal Forests with UAV-Based Photogrammetric Point Clouds and Hyperspectral Imaging 

      Saarinen, Ninni; Vastaranta, Mikko; Nasi, Roope; Rosnell, Tomi; Hakala, Teemu; Honkavaara, Eija; Wulder, Michael A.; Luoma, Ville; Tommaselli, Antonio M. G.; Imai, Nilton N.; Ribeiro, Eduardo A. W.; Guimaraes, Raul B.; Holopainen, Markus; Hyyppa, Juha (MDPI AG, 2018)
      Forests are the most diverse terrestrial ecosystems and their biological diversity includes trees, but also other plants, animals, and micro-organisms. One-third of the forested land is in boreal zone; therefore, changes ...
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    • Assessing plant-to-plant communication and induced resistance in sagebrush using the sagebrush specialist Trirhabda pilosa 

      Grof-Tisza, Patrick; Karban, Richard; Pan, Vincent S; Blande, James D (Springer Science and Business Media LLC, 2020)
      Plants respond to damage by herbivores or to reliable cues of damage by changing in ways that provide greater resistance and increase their fitness. Sagebrush has been a model system for understanding induced resistance, ...
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    • Assessing radiation risk perception by means of a European stakeholder survey 

      Della Monaca, Sara; Dini, Valentina; Grande, Sveva; Palma, Alessandra; Tkaczyk, Alan H; Koch, Rein; Murakas, Rein; Perko, Tanja; Duranova, Tatiana; Salomaa, Sisko; Roivainen, Päivi; Willrodt, Christine; Grigioni, Mauro; Bouffler, Simon D (IOP Publishing, 2021)
      It is increasingly recognised that stakeholder views can be essential for ascertaining the credibility of those entrusted with protection of the public and workers against radiation risks, the robustness of the approaches ...
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    • Assessing the Effects of Sample Size on Parametrizing a Taper Curve Equation and the Resultant Stem-Volume Estimates 

      Saarinen, Ninni; Kankare, Ville; Pyörälä, Jiri; Yrttimaa, Tuomas; Liang, Xinlian; Wulder, Michael A; Holopainen, Markus; Hyyppä, Juha; Vastaranta, Mikko (MDPI AG, 2019)
      Large and comprehensive datasets, traditionally based on destructive stem analysis or other labor-intensive approaches, are commonly considered as a necessity in developing stem-volume equations. The aim here was to ...
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    • Assessing the provisioning potential of ecosystem services in a Scandinavian boreal forest : suitability and tradeoff analyses on grid-based wall-to-wall forest inventory data 

      Vauhkonen J; Ruotsalainen R (Elsevier BV, 2017)
      Determining optimal forest management to provide multiple goods and services, also referred to as Ecosystem Services (ESs), requires operational-scale information on the suitability of the forest for the provisioning of ...
      info:eu-repo/semantics/article

    • Assessing Wood Waste by Timber Industry as a Contributing Factor to Deforestation in Ghana 

      Asamoah, Obed; Kuittinen, Suvi; Danquah, Jones Abrefa; Quartey, Ebo Tawiah; Bamwesigye, Dastan; Boateng, Charles Mario; Pappinen, Ari (MDPI AG, 2020)
      This study assesses the wood waste generation, its management practices, and its effects on the forests in Ghana. The rate of logging in Ghana has increased and this can be attributed to the increase in the establishment ...
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    • Assessment of cloud-related fine-mode AOD enhancements based on AERONET SDA product 

      Arola Antti; Eck Thomas F; Kokkola Harri; Pitkänen Mikko R A; Romakkaniemi Sami (Copernicus GmbH, 2017)
      AERONET (AErosol RObotic NETwork), which is a network of ground-based sun photometers, produces a data product called the aerosol spectral deconvolution algorithm (SDA) that utilizes spectral total aerosol optical depth ...
      info:eu-repo/semantics/article