Now showing items 435-454 of 740

    • Nanostructured TiO 2 /CuO dual-coated copper meshes with superhydrophilic, underwater superoleophobic and self-cleaning properties for highly efficient oil/water separation 

      Yuan Shaojun; Chen Chen; Raza Aikifa; Song Ruixue; Zhang Tie-Jun; Pehkonen Simo O; Liang Bin (Elsevier BV, 2017)
      Oil-contaminated water caused by either oil spill disasters or industrial disposal has posed a global risk to environmental sustainability and human health. To address the ever-growing need for highly efficient separation ...
    • Near Infrared Spectroscopic Evaluation of Ligament and Tendon Biomechanical Properties 

      Torniainen, J; Ristaniemi, A; Sarin, JK; Mikkonen, S; Afara, IO; Stenroth, L; Korhonen, RK; Töyräs, J (Springer Nature America, Inc, 2018)
      Knee ligaments and tendons are collagen-rich viscoelastic connective tissues that provide vital mechanical stabilization and support to the knee joint. Deterioration of ligaments has an adverse effect on the health of the ...
    • Near-surface permafrost aggradation in Northern Hemisphere peatlands shows regional and global trends during the past 6000 years 

      Treat, Claire C; Jones, Miriam C (SAGE Publications, 2018)
      The history of permafrost aggradation and thaw in northern peatlands can serve as an indicator of regional climatic history in regions where records are sparse. We infer regional trends in the timing of permafrost aggradation ...
    • Negligible respiratory irritation and inflammation potency of pigmentary TiO 2 in mice 

      Leppänen, Maija; Korpi, Anne; Yli-Pirilä, Pasi; Lehto, Maili; Wolff, Henrik; Kosma, Veli-Matti; Alenius, Harri; Pasanen, Pertti (Informa Healthcare, 2015-07-15)
      Titanium dioxide (TiO2) is manufactured in millions of tons yearly, and it is used widely as pigment in various applications. Until recently, TiO2 was considered toxicologically harmless and without adverse health effects. ...
    • New Algorithm for Simulation of Proteoglycan Loss and Collagen Degeneration in the Knee Joint: Data from the Osteoarthritis Initiative 

      Mononen Mika; Tanska Petri; Isaksson Hanna; Korhonen Rami (Wiley-Blackwell, 2017)
      Osteoarthritis is a harmful joint disease but prediction of disease progression is problematic. Currently, there is only one modeling framework which can be applied to predict the progression of knee osteoarthritis but it ...
    • A new method for estimating UV fluxes at ground level in cloud-free conditions 

      Nyamsi William Wandji; Pitkänen Mikko RA; Aoun Youva; Blanc Philippe; Heikkilä Anu; Lakkala Kaisa; Bernhard Germar; Koskela Tapani; Lindfors Anders V; Arola Antti; Wald Lucien (Copernicus Publications on behalf of the European Geosciences Union, 2017)
      A new method has been developed to estimate the global and direct solar irradiance in the UV-A and UV-B at ground level in cloud-free conditions. It is based on a resampling technique applied to the results of the ...
    • New method for point-of-care osteoporosis screening and diag 

      Karjalainen, J. P.; Riekkinen, O.; Töyräs, J.; Jurvelin, J. S.; Kröger, H. (Springer Science + Business Media, 2015-11-10)
      Due to the lack of diagnostics in primary health care, over 75 % of osteoporotic patients are not diagnosed. A new ultrasound method for primary health care is proposed. Results suggest applicability of ultrasound method ...
    • Newtonian boreal forest ecology: The Scots pine ecosystem as an example 

      Hari Pertti; Aakala Tuomas; Aalto Juho; Back Jaana; Hollmen Jaakko; Jogiste Kalev; Koupaei Kourosh Kabiri; Kahkonen Mika A; Korpela Mikko; Kulmala Liisa; Nikinmaa Eero; Pumpanen Jukka; Salkinoja-Salonen Mirja; Schiestl-Aalto Pauliina; Simojoki Asko; Havimo Mikko (Public Library of Science (PLoS), 2017)
      Isaac Newton's approach to developing theories in his book Principia Mathematica proceeds in four steps. First, he defines various concepts, second, he formulates axioms utilising the concepts, third, he mathematically ...
    • Nitrification and the ammonia-oxidizing communities in the central Baltic Sea water column 

      Jäntti, Helena; Ward, Bess B; Dippner, Joacim W; Hietanen, Susanna (Elsevier BV, 2018)
      The redoxclines that form between the oxic and anoxic water layers in the central Baltic Sea are sites of intensive nitrogen cycling. To gain better understanding of nitrification, we measured the biogeochemical properties ...
    • Nitrogen balance along a northern boreal forest fire chronosequence 

      Palviainen M; Pumpanen J; Berninger F; Ritala K; Duan B; Heinonsalo J; Sun H; Köster E; Köster K (Public Library of Science (PLoS), 2017)
      Fire is a major natural disturbance factor in boreal forests, and the frequency of forest fires is predicted to increase due to climate change. Nitrogen (N) is a key determinant of carbon sequestration in boreal forests ...
    • Non-paraxial idealized polarizer model 

      Zhang, Site; Partanen, Henri; Hellmann, Christian; Wyrowski, Frank (Yhdysvallat (USA), 2018)
      An idealized polarizer model that works without the structural and material information is derived in the spatial frequency domain. The non-paraxial property is fully included and the result takes a simple analytical form, ...
    • Nongrowing season methane emissions - a significant component of annual emissions across northern ecosystems 

      Treat, Claire C; Bloom, Anthony A; Marushchak, Maija E (Wiley, 2018)
      Wetlands are the single largest natural source of atmospheric methane (CH4), a greenhouse gas, and occur extensively in the northern hemisphere. Large discrepancies remain between “bottom‐up” and “top‐down” estimates of ...
    • Nonlinear optical components for all-optical probabilistic graphical model 

      Babaeian, Masoud; Blanche, Pierre-A.; Norwood, Robert A.; Kaplas, Tommi; Keiffer, Patrick; Svirko, Yuri; Allen, Taylor G.; Chen, Vincent W.; Chi, San-Hui; Perry, Joseph W.; Marder, Seth R.; Neifeld, Mark A.; Peyghambarian, N. (Springer Nature, 2018)
      The probabilistic graphical models (PGMs) are tools that are used to compute probability distributions over large and complex interacting variables. They have applications in social networks, speech recognition, artificial ...
    • Nonlinear parameters of surface EMG in schizophrenia patients depend on kind of antipsychotic therapy 

      Meigal, Alexander Yu; Miroshnichenko, German G; Kuzmina, Anna P; Rissanen, Saara M; Georgiadis, Stefanos D; Karjalainen, Pasi A (Frontiers Media SA, 2015-07-10)
      We compared a set of surface EMG (sEMG) parameters in several groups of schizophrenia (SZ, n = 74) patients and healthy controls (n = 11) and coupled them with the clinical data. sEMG records were quantified with spectral, ...
    • Nonresonant Local Fields Enhance Second-Harmonic Generation from Metal Nanoislands with Dielectric Cover 

      Chervinskii, Semyon; Koskinen, Kalle; Scherbak, Sergey; Kauranen, Martti; Lipovskii, Andrey (American Physical Society (APS), 2018)
      We study second-harmonic generation from gold nanoislands covered with amorphous titanium oxide (TiO2) films. As the TiO2 thickness increases, the plasmon resonance of the nanoislands shifts away from the second-harmonic ...
    • Nordic research infrastructures for plant phenotyping 

      Alexandersson, Erik; Keinänen, Markku; Chawade, Aakash; Himanen, Kristiina (MTT Agrifood Research Finland, 2018)
      Plant phenomics refers to the systematic study of plant phenotypes. Together with closely monitored, controlled climates, it provides an essential component for the integrated analysis of genotype-phenotype-environment ...
    • Normal Families and Growth of Meromorphic Functions with Their Kth Derivatives 

      Qi, Jianming; Meng, Fanning; Yuan, Wenjun (Hindawi LimitedEgypti, 2018)
      Relying on the normal family theory, we mainly study uniqueness problems of meromorphic functions and their Kth derivatives and estimate sharply the growth order of their meromorphic functions. Our theorems improve some ...
    • A North American Hydroclimate Synthesis (NAHS) of the Common Era 

      Rodysill, Jessica R; Anderson, Lesleigh; Cronin, Thomas M; Jones, Miriam C; Thompson, Robert S; Wahl, David B; Willard, Debra A; Addison, Jason A; Alder, Jay R; Anderson, Katherine H; Anderson, Lysanna; Barron, John A; Bernhardt, Christopher E; Hostetler, Steven W; Kehrwald, Natalie M; Khan, Nicole S; Richey, Julie N; Starratt, Scott W; Strickland, Laura E; Toomey, Michael R; Treat, Claire C; Wingard, G. Lynn (Elsevier BV, 2018)
      This study presents a synthesis of century-scale hydroclimate variations in North America for the Common Era (last 2000 years) using new age models of previously published multiple proxy-based paleoclimate data. This North ...
    • Norway spruce emblings as cutting donors for tree breeding and production 

      Tikkinen Mikko; Varis Saila; Peltola Heli; Aronen Tuija (Informa UK Limited, 2017)
      In the Nordic countries, Norway spruce (Picea abies) is a major species in tree breeding. In order to facilitate breeding work and availability of highly bred forest regeneration material, the time required for breeding ...
    • Not simply red: Colouration of red wood ant Formica rufa (Hymenoptera: Formicidae) is polymorphic, modular and size-dependent 

      Skaldina Oksana; Sorvari Jouni (Biology Centre, AS CR, 2017)
      Insects produce pigment and structural colours mainly for camouflage, signaling, physical protection or temperature regulation, and colour patterns can provide information about individual quality. Although the evolutionary ...