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Wyszukujesz frazę "Langner, J." wg kryterium: Autor

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Present status and prospects of research in SINS on the modification of surface properties by pulsed plasma streams
    Autorzy:
    Langner, J.
    Piekoszewski, J.
    Stanisławski, J.
    Werner, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/146758.pdf
    Data publikacji:
    2000
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    IONOTRON plasma injector
    pulsed plasma processing
    surface modification
    Opis:
    The paper presents examples of the most important results obtained in SINS during the last decade, interesting from the point of view of industrial applications. It also indicates some of the most prospective directions in research on modification of the surface properties of materials by means of pulsed plasma streams.
    Źródło:
    Nukleonika; 2000, 45, 3; 193-197
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface modification of plasma-sprayed alumina deposits by high-energy ion beams
    Autorzy:
    Sadowski, M.
    Langner, J.
    Stanisławski, J.
    Matejícek, J.
    Kolman, B.
    Chráska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/146704.pdf
    Data publikacji:
    2000
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    alumina coatings
    plasma-ion streams
    plasma spraying
    surface modification
    Opis:
    This paper reports on characteristics of alumina-type coatings deposited on steel substrates and treated with pulsed plasma streams containing high-energy ion beams (N, Ar, and Ti+N). Originally matted surfaces of the ceramic layers, which were created by plasma spraying of gray alumina, were changed into shiny ones, and splat boundaries disappeared due to the melting of a thin surface layer. The thickness of this modified layer did not exceed 1 žm. A higher content of Ti was found on the surfaces of the Ti- and N-treated samples only.
    Źródło:
    Nukleonika; 2000, 45, 3; 199-202
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Some problems of plasma-material interactions in fusion devices
    Autorzy:
    Glazunov, G.
    Volkov, E.
    Lapshin, V.
    Tereshin, V.
    Sadowski, M.
    Langner, J.
    Stanisławski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/146712.pdf
    Data publikacji:
    2000
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    boron-carbide erosion
    plasma-material interaction
    TiN-coated stainless-steel
    Opis:
    The paper concerns some questions connected with the interaction of high-temperature plasma-ion fluxes with solid materials inside experimental chambers used for fusion-oriented research, and particularly inside the Torsatron-type facilities. Mechanisms of the boron carbide erosion are described and discussed. Also described is the behaviour of TiN-coated stainlesssteel surfaces under the irradiation with hydrogen plasma-ion fluxes. In summary, there are described damages in the boron carbide layers and changes in the composition of the TiN-coatings.
    Źródło:
    Nukleonika; 2000, 45, 3; 209-213
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tumour cell growth-inhibiting properties of water extract isolated from heated potato fi bre (Potex)
    Autorzy:
    Langner, E.
    Rzeski, W.
    Kaczor, J.
    Kandefer-Szerszen, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/3113.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2009, 03, 1
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Neuroprotective activity of 2-amino-1,3,4-thiadiazole derivative 4BrABT – an in vitro study
    Autorzy:
    Juszczak, M.
    Walczak, K.
    Langner, E.
    Karpinska, M.
    Matysiak, J.
    Rzeski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/49999.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Medycyny Wsi
    Opis:
    4BrABT (2-(4-Bromophenylamino)-5-(2,4-dihydroxyphenyl)-1,3,4-thiadiazole) is a compound known for its interesting in vitro anticancer profile. 4BrABT inhibited proliferation and motility of several cancer cell lines in concentrations which were not toxic to normal cells. A major problem associated with cancer chemotherapy, but also caused by environmental factors such as pesticides, is neurotoxicity. Therefore, the aim of the presented study was an in vitro evaluation of the neuroprotective activity of this compound. 4BrABT activity (1–100 μM) was tested in cultures of mouse neurons, rat astrocytes and rat oligodendrocytes. A possible protective action of the compound in different neurodegenerative models, as serum deprivation (SD), excitotoxicity (presence of 500 μM glutamate in culture medium), as well as cisplatin toxicity (astroglia – 50 μM and oligodendroglia – 100 μM) was investigated. Cell viability in the tested cultures was assessed with the use of LDH and MTT methods. Moreover, 4BrABT ability to prevent the cisplatin-induced apoptosis in astrocyte and oligodendrocyte cultures was analysed after Hoechst 33342 fluorostaining. The obtained results indicate that 4BrABT was not toxic to neurons, astrocytes and oligodendrocytes. Moreover, a decrease in the neuronal LDH level was observed, which may suggest the ability of 4BrABT to act as a trophic agent. Furthermore, the protective action of the studied compound was shown in neuronal cultures exposed to neurotoxic conditions (presence of glutamate and trophic stress) and in cisplatin-treated astrocytes and oligodendrocytes. The expression of anticancer and neuroprotective activity raises hopes for the potential use of 4BrABT as a safe anticancer drug, or neuroprotective agent in chemotherapy-associated neurotoxicity.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2013, 20, 3
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of metal surfaces coated with europium-doped titanium dioxide by laser induced breakdown spectroscopy
    Autorzy:
    Głogocka, D.
    Noculak, A.
    Pucińska, J.
    Jopek, W.
    Podbielska, H.
    Langner, M.
    Przybyło, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/306866.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    europ
    tytan
    LIBS
    jakość
    kompozycja
    cienkie warstwy
    europium
    titanum
    quality
    composition
    thin layers
    Opis:
    The surface passivation with titanium sol-gel coatings is a frequently used technique to control the adsorption of selected biological macromolecules and to reduce the exposure of the bulk material to biological matter. Due to the increasing number of new coating-preparation methods and new gel compositions with various types of additives, the quality and homogeneity determination of the surface covering is a critical factor affecting performance of any implanted material. While coating thickness is easy to determine, the homogeneity of the surface distribution of coating materials requires more elaborate methodologies. In the paper, the laser induced breakdown spectroscopy (LIBS) based method, capable to quantitate the homogeneity and uniformity of the europium in titanium dioxide sol-gel coatings on stainless steel surfaces prepared with two different procedures: spin-coating and dip-coating, is presented. The emission intensity of titanium has been used to determine the coating thickness whereas the relative values of europium and titanium emission intensities provide data on the coating homogeneity. The obtained results show that the spin-coating technique provides better surface coverage with titanium dioxide. However, when the surface coating compositions were compared the dip-coating technique was more reliable.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2015, 17, 3; 33-40
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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