Now showing items 119-138 of 1173

    • Bacterial community structure and function shift across a northern boreal forest fire chronosequence 

      Sun Hui; Santalahti Minna; Pumpanen Jukka; Köster Kajar; Berninger Frank; Raffaello Tommaso; Asiegbu Fred O; Heinonsalo Jussi (Springer Nature, 2016)
      Soil microbial responses to fire are likely to change over the course of forest recovery. Investigations on long-term changes in bacterial dynamics following fire are rare. We characterized the soil bacterial communities ...

    • Base-catalyzed oxidative depolymerization of softwood kraft lignin 

      Paananen, Hanna; Eronen, Eemeli; Mäkinen, Marko; Jänis, Janne; Suvanto, Mika; Pakkanen, Tuula T (Elsevier BV, 2020)
      Lignin is an important aromatic biopolymer with the structure based on phenolic units. Depolymerized lignin materials can be useful substitutes for phenol in phenol-formaldehyde resins. Our aim was to examine the potential ...
      Tieteelliset aikakauslehtiartikkelit

    • Bayesian aerosol retrieval algorithm for MODIS AOD retrieval over land 

      Lipponen, Antti; Mielonen, Tero; Pitkänen, Mikko R A; Levy, Robert C; Sawyer, Virginia R; Romakkaniemi, Sami; Kolehmainen, Ville; Arola, Antti (Copernicus GmbH, 2018)
      We have developed a Bayesian aerosol retrieval (BAR) algorithm for the retrieval of aerosol optical depth (AOD) over land from the Moderate Resolution Imaging Spectroradiometer (MODIS). In the BAR algorithm, we simultaneously ...
      Tieteelliset aikakauslehtiartikkelit

    • Bayesian approach to single-tree detection in airborne laser scanning - use of training data for prior and likelihood modeling 

      Luostari, Teemu; Lähivaara, Timo; Packalen, Petteri; Seppänen, Aku (IOP Publishing, 2018)
      This paper introduces a novel computational approach to handling remote sensing data from forests. More specifically, we consider the problem of detecting an unknown number of trees based on airborne laser scanning (ALS) ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Bayesian estimation of seasonal course of canopy leaf area index from hyperspectral satellite data 

      Varvia, Petri; Rautiainen, Miina; Seppänen, Aku (Elsevier BV, 2018)
      In this paper, Bayesian inversion of a physically-based forest reflectance model is investigated to estimate of boreal forest canopy leaf area index (LAI) from EO-1 Hyperion hyperspectral data. The data consist of multiple ...
      Tieteelliset aikakauslehtiartikkelit

    • Beaming the second harmonic generation from a double layered bull's eye structure 

      Li, Fangfang; Li, Peng; Kang, Guoguo (Elsevier BV, 2019)
      We report on a numerical investigation of the beaming effect of second harmonic generation (SHG) from a double layered bull’s eye structure where a nanobowtie is sandwiched between. Both linear and nonlinear responses were ...
      Tieteelliset aikakauslehtiartikkelit

    • Behavioral testing of mice exposed to intermediate frequency magnetic fields indicates mild memory impairment 

      Kumari K; Koivisto H; Viluksela M; Paldanius KMA; Marttinen M; Hiltunen M; Naarala J; Tanila H; Juutilainen J (Public Library of Science (PLoS), 2017)
      Human exposure to intermediate frequency magnetic fields (MF) is increasing due to applications like electronic article surveillance systems and induction heating cooking hobs. However, limited data is available on their ...

    • Behavioural effects in juvenile brown trout in response to parental angling selection 

      Alioravainen, Nico; Hyvärinen, Pekka; Vainikka, Anssi (Canadian Science Publishing, 2020)
      Fishing that selectively captures and removes fish based on their behavioural decisions is predicted to induce evolution towards timid fish stocks. Thus, offspring behaviour should associate with parental vulnerability to ...
      Tieteelliset aikakauslehtiartikkelit

    • Behavioural phenotypes in mice after prenatal and early postnatal exposure to intermediate frequency magnetic fields 

      Kumari Kajal; Koivisto Hennariikka; Myles Capstick; Naarala Jonne; Viluksela Matti; Tanila Heikki; Juutilainen Jukka (Elsevier BV, 2018)
      Electromagnetic fields are ubiquitous in the environment. Human exposure to intermediate frequency (IF) fields is increasing due to applications like electronic article surveillance systems, wireless power transfer, and ...
      Tieteelliset aikakauslehtiartikkelit

    • Benefits of influenza vaccination on the associations between ambient air pollution and allergic respiratory diseases in children and adolescents: New insights from the Seven Northeastern Cities study in China 

      Liu, Kangkang; Li, Shanshan; Qian, Zhengmin (Min); Dharmage, Shyamali C; Bloom, Michael S; Heinrich, Joachim; Jalaludin, Bin; Markevych, Iana; Morawska, Lidia; Knibbs, Luke D; Hinyard, Leslie; Xian, Hong; Liu, Shan; Lin, Shao; Leskinen, Ari; Komppula, Mika; Jalava, Pasi; Roponen, Marjut; Hu, Li-Wen; Zeng, Xiao-Wen; et al. (Elsevier BV, 2020)
      Background Little information exists on interaction effects between air pollution and influenza vaccination on allergic respiratory diseases. We conducted a large population-based study to evaluate the interaction effects ...
      Tieteelliset aikakauslehtiartikkelit

    • Benzothiazolethione complexes of coinage metals: from mononuclear complexes to clusters and polymers 

      Jääskeläinen, Sirpa; Koskinen, Laura; Haukka, Matti; Hirva, Pipsa (Elsevier BV, 2019)
      The reactions of 2(3H)-benzothiazolethione (Hbtt) with [AuCl(tetrahydrothiophene)] and CuBr2 were studied, and found to yield a tetranuclear cluster compound [Au(btt)]4 [1] and a polymeric structure [CuBr(btt-btt)]n.nTHF ...
      Tieteelliset aikakauslehtiartikkelit

    • Bessel-correlated supercontinuum fields 

      Koivurova Matias; Halder Atri; Partanen Henri; Turunen Jari (, 2017)
      We examine the spatial coherence properties of supercontinuum fields generated by illuminating rotating bulk media with intense pulsed beams. Theoretical models are presented, which indicate the possibility of generating ...

    • BiGO: A Toolset to Support CS Students to Learn to Analyze Time Complexities of Algorithms 

      Toivonen, Tapani; Oyelere, Solomon (ACM Press, 2019)
      Analysis of algorithms is a part of computing curriculums throughout the world in both undergraduate and graduate levels. However, students in general find this topic to be difficult subject due its theoretical and ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Bio-based wood preservatives: Their efficiency, leaching and ecotoxicity compared to a commercial wood preservative 

      Barbero-López, Aitor; Akkanen, Jarkko; Lappalainen, Reijo; Peräniemi, Sirpa; Haapala, Antti (Elsevier BV, 2020)
      Companies in the wood industry are constantly developing their outdoor products. The possibility of using bio-based chemicals as an alternative to traditional wood preservatives—regulated in Europe by The Biocidal Products ...
      Tieteelliset aikakauslehtiartikkelit

    • Bio-butanol production from rice straw - Recent trends, possibilities, and challenges 

      Vivek, Narisetty; Nair, Lakshmi M; Mohan, Binoop; Nair, Salini Chandrasekharan; Sindhu, Raveendran; Pandey, Ashok; Shurpali, Narasinha; Binod, Parameswaran (Elsevier BV, 2019)
      Increase in concerns over greenhouse gas emissions and depletion of fossil fuels has led to the search for alternative strategies of energy. Rice straw mainly composed of cellulose, hemicelluloses, and lignin, is one of ...
      Tieteelliset aikakauslehtiartikkelit

    • Bio-molecular sensors based on guided mode resonance filters 

      Saleem Rizwan Muhammad; Ali Rizwan; Honkanen Seppo; Turunen Jari (IOP Publishing, 2016)
      In this work a low surface roughness and homogenous, high refractive index, and amorphous TiO2 layer on corrugated structures of diffractive optical element is coated by Atomic Layer Deposition (ALD) for biosensors. The ...

    • Biochar as a tool to reduce the agricultural greenhouse-gas burden - knowns, unknowns and future research needs 

      Kammann C; Ippolito JA; Hagemann N; Borchard N; Cayuela M; Estavillo JM; Fuertes-Mendizabal T; Jeffery S; Kern J; Novak J; Rasse D; Saarnio S; Schmidt H-P; Spokas K; Wrage-Mönnig N (Vilnius Gediminas Technical University, 2017)
      Agriculture and land use change has significantly increased atmospheric emissions of the non-CO2 green-house gases (GHG) nitrous oxide (N2O) and methane (CH4). Since human nutritional and bioenergy needs continue to increase, ...

    • Biochar-Based Engineered Composites for Sorptive Decontamination of Water: A Review 

      Premarathna, KSD; Rajapaksha, Anushka Upamali; Sarkar, Binoy; Kwon, Eilhann E; Bhatnagar, Amit; Ok, Yong Sik; Vithanage, Meththika (Elsevier BV, 2019)
      Biochar (BC) exhibits a great potential as an adsorbent in decontamination of water. To improve the adsorption capabilities and impart the particular functionalities of BC, various methods (chemical modification, physical ...
      Tieteelliset aikakauslehtiartikkelit

    • Biodegradation of inorganic drug delivery systems in subcutaneous conditions 

      Kovalainen M; Kamakura R; Riikonen J; Finnilä M; Nissinen T; Rantanen J; Niemelä M; Perämäki P; Mäkinen M; Herzig KH; Lehto VP (Elsevier BV, 2017)
      Despite extensive efforts to develop delivery systems for oral administration, subcutaneous (s.c.) injection remains the most common way to administer peptide drugs. To limit the number of frequent injections, sustained ...

    • Biodiversity data provision and decision-making - addressing the challenges 

      Despot-Belmonte K; Neßhöver C; Saarenmaa H; Regan E; Meyer C; Martins E; Groom Q; Hoffmann A; Caine A; Bowles-Newark N; Bae H; Lange Canhos DA; Stenzel S; Bowler D; Schneider A; Weatherdon LV; Martin CS (Pensoft Publishers, 2017)
      Essential Biodiversity Variables (EBVs) are measurements required for study, reporting, and management of biodiversity change. They are being developed to support consistency, from the collection to the reporting of ...