Search Results - "Viitanen, A"

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  1. 1

    Building Robust Active Galactic Nuclei Mock Catalogs to Unveil Black Hole Evolution and for Survey Planning by Allevato, V., Shankar, F., Marsden, C., Rasulov, U., Viitanen, A., Georgakakis, A., Ferrara, A., Finoguenov, A.

    Published in The Astrophysical journal (01-07-2021)
    “…Abstract The statistical distributions of active galactic nuclei (AGNs), i.e., accreting supermassive black holes (BHs), in mass, space, and time are…”
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    Journal Article
  2. 2

    The role of scatter and satellites in shaping the large-scale clustering of X-ray AGN as a function of host galaxy stellar mass by Viitanen, A, Allevato, V, Finoguenov, A, Shankar, F, Marsden, C

    “…ABSTRACT The co-evolution between central supermassive black holes (BHs), their host galaxies, and dark matter haloes is still a matter of intense debate…”
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    Journal Article
  3. 3

    The effect of humidity on sensitivity of amine detection in ion mobility spectrometry by Mäkinen, M., Sillanpää, M., Viitanen, A.-K., Knap, A., Mäkelä, J.M., Puton, J.

    Published in Talanta (Oxford) (15-03-2011)
    “…Vaporized water molecules are unavoidably present in every ion mobility spectrometry (IMS) measurement. In general, this humidity is seen in positive mode…”
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    Journal Article
  4. 4

    Single-junction quantum-circuit refrigerator by Vadimov, V., Viitanen, A., Mörstedt, T., Ala-Nissila, T., Möttönen, M.

    Published in AIP advances (01-07-2022)
    “…We propose a quantum-circuit refrigerator (QCR) based on photon-assisted quasiparticle tunneling through a single normal-metal–insulator–superconductor (NIS)…”
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    Journal Article
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    Adjusting mobility scales of ion mobility spectrometers using 2,6-DtBP as a reference compound by Viitanen, A-K, Mauriala, T, Mattila, T, Adamov, A, Pedersen, C S, Mäkelä, J M, Marjamäki, M, Sysoev, A, Keskinen, J, Kotiaho, T

    Published in Talanta (Oxford) (15-09-2008)
    “…Performance of several time-of-flight (TOF) type ion mobility spectrometers (IMS) was compared in a joint measurement campaign and their mobility scales were…”
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    Journal Article
  7. 7

    A mathematical model of mould growth on wooden material by HUKKA, A, VIITANEN, H. A

    Published in Wood science and technology (01-12-1999)
    “…Summary A mathematical model for the simulation of mould fungi growth on wooden material is presented, based on previous regression models for mould growth on…”
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    Journal Article
  8. 8

    Experimental study of the effect of temperature on ion cluster formation using ion mobility spectrometry by Viitanen, A.-K., Mattila, T., Mäkelä, J.M., Marjamäki, M., Anttalainen, O., Keskinen, J.

    Published in Atmospheric research (01-11-2008)
    “…Ion mobility spectrometry offers a robust and effective technique to study ion clusters in ambient conditions. Here, we have experimentally studied the…”
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    Journal Article Conference Proceeding
  9. 9

    Time‐series analysis of long‐term photometry of BM Canum Venaticorum by Siltala, L., Jetsu, L., Hackman, T., Henry, G. W., Immonen, L., Kajatkari, P., Lankinen, J., Lehtinen, J., Monira, S., Nikbakhsh, S., Viitanen, A., Viuho, J., Willamo, T.

    Published in Astronomische Nachrichten (01-05-2017)
    “…Long‐term photometry is commonly used to monitor chromospheric activity of late–type stars. We study standard Johnson differential V photometry of the RS CVn…”
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    Journal Article
  10. 10

    A public-domain image processing tool for automated quantification of fluorescence in situ hybridisation signals by Konsti, J, Lundin, J, Jumppanen, M, Lundin, M, Viitanen, A, Isola, J

    Published in Journal of clinical pathology (01-03-2008)
    “…To develop and evaluate an automated method for quantification of HER2 fluorescence in situ hybridisation (FISH) signals. Using a popular, open source image…”
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    Journal Article
  11. 11

    Reflection and transmission fields in tilted wire medium interface by Vahdati, A., Viitanen, A. J.

    Published in Microwave and optical technology letters (01-08-2009)
    “…The reflection and transmission coefficients for plane wave incident fields are presented for the interface of a wire medium where the direction of the wires…”
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    Journal Article
  12. 12

    The surface-located YopN protein is involved in calcium signal transduction in Yersinia pseudotuberculosis by Forsberg, A, Viitanen, A M, Skurnik, M, Wolf-Watz, H

    Published in Molecular microbiology (01-04-1991)
    “…The low-calcium response (lcr) is strongly conserved among the pathogenic Yersinia species and is observed when the pathogen is grown at 37 degrees C in…”
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    Journal Article
  13. 13

    A planar dipole array formed by small resonant particles by Englund, M., Viitanen, A.

    Published in Microwave and optical technology letters (01-10-2007)
    “…In this article the complex interaction constant of an infinite planar dipole array is presented. The imaginary part can be expressed in a closed form and the…”
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    Journal Article
  14. 14

    Common polymorphism of the vitamin D receptor gene is associated with variation of peak bone mass in young finns by Viitanen, A, Kärkkäinen, M, Laitinen, K, Lamberg-Allardt, C, Kainulainen, K, Räsänen, L, Viikari, J, Välimäki, M J, Kontula, K

    Published in Calcified tissue international (01-10-1996)
    “…Previous studies suggested a relation between polymorphism of the vitamin D receptor (VDR) gene and bone mineral density (BMD) at perimenopausal age. To…”
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    Journal Article
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    Dispersion and Reflection Properties of Artificial Media Formed By Regular Lattices of Ideally Conducting Wires by Belov, P.A., Tretyakov, S.A., Viitanen, A.J.

    “…An analytical theory of electromagnetic waves in artificial media formed by a rectangular lattice of thin ideally conducting cylinders using the local field…”
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    Journal Article
  17. 17

    Guided Waves along Lorentz-Resonant Layers by Viitanen, A. J., Nefedov, I. S., Tretyakov, S. A.

    Published in Electromagnetics (01-10-2008)
    “…Guided waves in layers of Lorentz-type resonant material are considered. Eigenvalue equations and dispersion curves are evaluated for single- and dual-slab…”
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    Journal Article
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    Resonator mode in chains of silver spheres and its possible application by Simovski, C R, Viitanen, A J, Tretyakov, S A

    “…A transversal mode with zero group velocity and nonzero phase velocity that can exist in chains of silver nanospheres in the optical frequency range is…”
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    Journal Article
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    Optimizing continuous-combined hormone replacement therapy for postmenopausal women: A comparison of six different treatment regimens by Heikkinen, Jorma E., Vaheri, Raija T., Ahomäki, Satu M., Kainulainen, Petri M.T., Vlitanen, Antti T., Timonen, Ulla M.

    “…We sought to determine the optimum estradiol valerate-medroxyprogesterone acetate regimens for efficacy and safety. We performed a 24-month, randomized,…”
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    Journal Article
  20. 20

    Artificial Tellegen Particle by TRETYAKOV, S. A., MASLOVSKI, S. I., NEFEDOV, I. S., VIITANEN, A. J., BELOV, P. A., SANMARTIN, A.

    Published in Electromagnetics (2003)
    “…Experimental evidence of the nonreciprocal Tellegen magnetoelectric effect is presented. The measured particle consists of a small ferrite sphere and a small…”
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    Journal Article