Browsing Luonnontieteiden, metsätieteiden ja tekniikan tiedekunta by Title

Now showing items 249-268 of 1562

    • Chromophore-Functionalized Phenanthro-diimine Ligands and Their Re(I) Complexes 

      Kisel, KS; Eskelinen, T; Zafar, W; Solomatina, AI; Hirva, P; Grachova, EV; Tunik, SP; Koshevoy, IO (American Chemical Society (ACS), 2018)
      A series of diimine ligands has been designed on the basis of 2-pyridyl-1H-phenanthro[9,10-d]imidazole (L1, L2). Coupling the basic motif of L1 with anthracene-containing fragments affords the bichromophore compounds L3–L5, ...
      Tieteelliset aikakauslehtiartikkelit

    • Chronic Crayfish Plague Infection and Eroded Swimmeret Syndrome in Lake Saimaa (Finland) Signal Crayfish 

      Jussila Japo; Tiitinen Vesa; Edsman Lennart (International Association of Astacology, 2017)
      We present data and results from a 9-year survey (2009 – 2017) of the Lake Saimaa signal crayfish population in Finland. This population has a history of chronic infection with Aphanomyces astaci. It has now been discovered ...
      info:eu-repo/semantics/article

    • Ciprofloxacin impairs mitochondrial DNA replication initiation through inhibition of Topoisomerase 2 

      Hangas, Anu; Aasumets, Koit; Kekäläinen, Nina J; Paloheinä, Mika; Pohjoismäki, Jaakko L; Gerhold, Joachim M; Goffart, Steffi (Oxford University Press (OUP), 2018)
      Maintenance of topological homeostasis is vital for gene expression and genome replication in all organisms. Similar to other circular genomes, also mitochondrial DNA (mtDNA) is known to exist in various different topological ...
      Tieteelliset aikakauslehtiartikkelit

    • Citizens’ knowledge of and perceptions of multi-storey wood buildings in seven European countries 

      Nyrud, A Q; Heltorp, K M A; Roos, Anders; Aguilar, Francisco X; Lähtinen, Katja; Viholainen, Noora; Berghäll, Sami; Toppinen, Anne; Thorsen, B J; Kniivilä, Matleena; Haapala, Antti; Hurmekoski, Elias; Hujala, T; Hoen, H F (Informa UK Limited, trading as Taylor & Francis Group, 2023)
      This study examined public attitudes towards multi-storey wood buildings (MSWBs) in seven European countries. A questionnaire was distributed to online panellists in Austria, Denmark, Finland, Germany, Norway, Sweden and ...

    • Classification of European bog vegetation of the Oxycocco‐Sphagnetea class 

      Jiroušek, Martin; Peterka, Tomáš; Chytrý, Milan; Jiménez‐Alfaro, Borja; Kuznetsov, Oleg L; Pérez‐Haase, Aaron; Aunina, Liene; Biurrun, Idoia; Dítě, Daniel; Goncharova, Nadezhda; Hájková, Petra; Jansen, Florian; Koroleva, Natalia E; Lapshina, Elena D; Lavrinenko, Igor A; Lavrinenko, Olga V; Napreenko, Maxim G; Pawlikowski, Pawel; Rašomavičius, Valerijus; Rodwell, John S et al (John Wiley & Sons Ltd, 2022)
      Aim: Classification of European bog vegetation (Oxycocco-Sphagnetea class); identification of diagnostic species for the class and vegetation subgroups (orders and alliances) development of an expert system for automatic ...

    • Classifiers for Synthetic Speech Detection: A Comparison 

      Hanilci, Cemal; Kinnunen, Tomi; Sahidullah, Md; Sizov, Aleksandr (ISCA (the International Speech Communication Association), 2015)
      Automatic speaker verification (ASV) systems are highly vulnerable against spoofing attacks, also known as imposture. With recent developments in speech synthesis and voice conversion technology, it has become important ...
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    • Climate and Competitive Status Modulate the Variation in Secondary Metabolites More in Leaves Than in Fine Roots of Betula pendula 

      Tullus, Arvo; Rusalepp, Linda; Lutter, Reimo; Rosenvald, Katrin; Kaasik, Ants; Rytter, Lars; Kontunen-Soppela, Sari; Oksanen, Elina (Frontiers Media SA, 2021)
      Plant secondary metabolites have many important functions; they also determine the productivity and resilience of trees under climate change. The effects of environmental factors on secondary metabolites are much better ...
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    • Climate Change Effects on Secondary Compounds of Forest Trees in the Northern Hemisphere 

      Holopainen, JK; Virjamo, V; Ghimire, RP; Blande, JD; Julkunen-Tiitto, R; Kivimäenpää, M (Frontiers Media SA, 2018)
      Plant secondary compounds (PSCs), also called secondary metabolites, have high chemical and structural diversity and appear as non-volatile or volatile compounds. These compounds may have evolved to have specific physiological ...
      Tieteelliset aikakauslehtiartikkelit

    • Climate Change Mitigation Potential in Boreal Forests: Impacts of Management, Harvest Intensity and Use of Forest Biomass to Substitute Fossil Resources 

      Baul Tarit Kumar; Alam Ashraful; Ikonen Antti; Strandman Harri; Asikainen Antti; Peltola Heli; Kilpeläinen Antti (MDPI AG, 2017)
      The impacts of alternative forest management scenarios and harvest intensities on climate change mitigation potential of forest biomass production, utilization and economic profitability of biomass production were studied ...
      info:eu-repo/semantics/article

    • Clonal selection algorithm for energy minimization in software defined networks 

      Hussain, MW; Pradhan, B; Gao, XZ; Reddy, KHK; Roy, DS (Elsevier BV, 2020)
      With the advancements of Information and Communication Technologies (ICT), large scale distributed computing and massive data center infrastructures are becoming more common these days. Such trends have drastically put a ...
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    • Cloud droplet activation of black carbon particles coated with organic compounds of varying solubility 

      Dalirian, Maryam; Ylisirniä, Arttu; Buchholz, Angela; Schlesinger, Daniel; Ström, Johan; Virtanen, Annele; Riipinen, Ilona (Copernicus GmbH, 2018)
      Atmospheric black carbon (BC) particles are a concern due to their impact on air quality and climate. Their net climate effect is, however, still uncertain. This uncertainty is partly related to the contribution of coated ...
      Tieteelliset aikakauslehtiartikkelit

    • Co-design of mini games for learning computational thinking in an online environment 

      Agbo, Joseph Friday; Oyelere, Solomon Sunday; Suhonen, Jarkko; Laine, Teemu H. (Springer Science and Business Media LLC, 2021)
      Understanding the principles of computational thinking (CT), e.g., problem abstraction, decomposition, and recursion, is vital for computer science (CS) students. Unfortunately, these concepts can be difficult for novice ...
      Tieteelliset aikakauslehtiartikkelit

    • Cobalt and nickel ferrites based graphene nanocomposites for electrochemical hydrogen evolution 

      Nivetha, Ravi; Chella, Santhosh; Kollu, Pratap; Jeong Soon, Kwan; Bhatnagar, Amit; Andrews Nirmala, Grace (Elsevier BV, 2017)
      Cobalt and Nickel ferrite based graphene nanocomposites with increased electrochemical performances were successfully prepared by solvothermal process. To know the structure and morphology of the as-synthesized nanocomposite, ...
      Tieteelliset aikakauslehtiartikkelit

    • Coherence Poincaré sphere of partially polarized optical beams 

      Laatikainen, Jyrki; Friberg, Ari T; Korotkova, Olga; Setälä Tero (American Physical Society (APS), 2022)
      A Poincaré sphere representation of electromagnetic spectral two-point spatial coherence was recently introduced for fully polarized light beams. In this work, we employ the singular-value decomposition of the cross-spectral ...

    • Coherence Poincaré sphere of partially polarized optical beams 

      Laatikainen, Jyrki; Friberg, Ari T; Korotkova, Olga; Setälä, Tero (American Physical Society, 2022)
      A Poincaré sphere representation of electromagnetic spectral two-point spatial coherence was recently introduced for fully polarized light beams. In this work, we employ the singular-value decomposition of the cross-spectral ...

    • Coherence Stokes Parameters in the Description of Electromagnetic Coherence 

      Setälä, Tero; Saastamoinen, Kimmo; Friberg, Ari T (MDPI AG, 2021)
      The two-point counterparts of the traditional Stokes parameters, which are called the coherence Stokes parameters, have recently been extensively used for assessing the coherence properties of random electromagnetic light ...
      Tieteelliset aikakauslehtiartikkelit

    • Combination of optical coherence tomography and near infrared spectroscopy enhances determination of articular cartilage composition and structure 

      Sarin Jaakko K; Rieppo Lassi; Brommer Harold; Afara Isaac O; Saarakkala Simo; Töyräs Juha (Springer Nature, 2017)
      Conventional arthroscopic evaluation of articular cartilage is subjective and poorly reproducible. Therefore, implementation of quantitative diagnostic techniques, such as near infrared spectroscopy (NIRS) and optical ...
      info:eu-repo/semantics/article

    • Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods 

      Hao, Liqing; Garmash, Olga; Ehn, Mikael; Miettinen, Pasi; Massoli, Paola; Mikkonen, Santtu; Jokinen, Tuija; Roldin, Pontus; Aalto, Pasi; Yli-Juuti, Taina; Joutsensaari, Jorma; Petäjä, Tuukka; Kulmala, Markku; Lehtinen, Kari E J; Worsnop, Douglas R; Virtanen, Annele (Copernicus GmbH, 2018)
      Characterizing aerosol chemical composition in response to meteorological changes and atmospheric chemistry is important to gain insights into new particle formation mechanisms. A BAECC (Biogenic Aerosols – Effects on ...
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    • Combining statistical, structural, and linguistic features for keyword extraction from web pages 

      Shah, Himat; Fränti, Pasi (AIMS Press, 2022)
      Keywords are commonly used to summarize text documents. In this paper, we perform a systematic comparison of methods for automatic keyword extraction from web pages. The methods are based on three different types of features: ...

    • Common controls driven conceptual leadership framework 

      Mussalo, Petteri; Hotti, Virpi; Kirjanen, Anastasia; Lauronen, Henna; Härkönen, Hannu; Huikari, Juho; Holopainen, Jukka (Finnish Journal of eHealth and eWelfare, 2018)
      The forthcoming social welfare and healthcare reform in Finland with its organizational, financing and steering changes challenges the leadership. All service systems levels of the social welfare and healthcare have to ...
      Tieteelliset aikakauslehtiartikkelit