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Wyszukujesz frazę "Stasiak, Marcin" wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Structured Interview in Historical Research: a Description of Research Procedures
    Autorzy:
    Kurkowska-Budzan, Marta
    Soroko, Emilia
    Stasiak, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/20312082.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    research method
    autobiographic memory as historical source
    oral history
    structured interview
    Opis:
    The text presents the procedures and techniques of the research method aimed at “evoking the historical source”, which is understood as the researcher’s prepared and implemented scientifi-cally rigorous participation in the creation by a witness of history of such a reminiscence material that could be a carrier of information and would be subjected to rudimentary historical analysis. The text presents the defined assumptions and subsequent stages of the research procedure.
    Źródło:
    Historyka studia metodologiczne; 2021, 51, Spec. iss.; 299-323
    0073-277X
    Pojawia się w:
    Historyka studia metodologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Studies on Moisture Effects on Powder Flow and Mechanochemical Improvement of Powder Flowability
    Autorzy:
    Opaliński, Ireneusz
    Chutkowski, Marcin
    Stasiak, Mateusz
    Leś, Karolina
    Olechowski, Marcin
    Przywara, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2023857.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    powder flow
    moisture content
    mechanochemistry
    DEM
    Opis:
    Recent findings on some unsolved powder rheology problems and new challenges regarding mechanochemical powder processing and flow modelling are presented. There is remarkable difference in rheology when processing moist powders in static or dynamic conditions. Despite of regular trends of shear stress changes with humidity found in the both cases, some exceptions revealed the significant impact of particles size and their hygroscopic nature as example. Mechanochemical methods of high-energy interactive mixing of highly cohesive powders doped with nano-sized solid admixture enabled their flowability to be improved considerably. Using statistical approach, more general routine is proposed that allow the optimal mixing parameters to be reliably predicted with limited number of experiments needed. Ability to flow of some hygroscopic powders was examined with DEM method and extreme sensitivity of model output to input particle properties was found. The common DEM routine towards powder flow prediction is therefore suggested to be replaced with approach featuring in using DEM method to identify some unknown powder flow factors.
    Źródło:
    Advances in Science and Technology. Research Journal; 2021, 15, 2; 228-246
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Monocytes in children with leukemias and lymphomas - down-regulation of HLA and costimulatory molecules.
    Autorzy:
    Łuczyński, Włodzimierz
    Stasiak-Barmuta, Anna
    Krawczuk-Rybak, Maryna
    Szymański, Marcin
    Malinowska, Iwona
    Mitura-Lesiuk, Małgorzata
    Powiązania:
    https://bibliotekanauki.pl/articles/1041525.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    infection
    lymphoma
    costimulation
    leukemia
    monocytes
    Opis:
    The aim of the study was to evaluate the function of monocytes in children with leukemias and lymphomas based on the expression of critical costimulatory, activatory and adhesion molecules (CD80, CD86, HLA-DR and CD54 = ICAM-1), estimated with tricolor flow cytometry. In comparison to the control group we found a lower percentage of monocytes with costimulatory molecules (CD80 before and CD86 after lipopolysaccharide stimulation) at the time of diagnosis and of monocytes with HLA-DR molecules after remission induction. We also noted a lower percentage of monocytes with HLA-DR expression in the group with severe or therapy resistant infections. The results of our investigation suggest some defect in costimulation and antigen presentation in lymphoproliferative diseases in children.
    Źródło:
    Acta Biochimica Polonica; 2004, 51, 4; 1067-1073
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    CD40 stimulation induces differentiation of acute lymphoblastic leukemia cells into dendritic cells
    Autorzy:
    Łuczyński, Włodzimierz
    Stasiak-Barmuta, Anna
    Iłendo, Elżbieta
    Krawczuk-Rybak, Maryna
    Malinowska, Iwona
    Mitura-Lesiuk, Małgorzata
    Parfieńczyk, Adam
    Szymański, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/1041252.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    immunotherapy
    T-lymphocytes
    CD40L
    acute lymphoblastic leukemia
    dendritic cells
    Opis:
    Despite the very high percentage of long-term remissions in acute lymphoblastic leukemia (ALL) in children, some of them suffer from recurrence of the disease. New treatment modalities, e.g. effective geno- and immunotherapy are needed. The use of neoplasmatic cells to present tumor antigens is one of the approaches in cancer vaccines. ALL cells lack the expression of costimulatory molecules and are poor antigen presenting cells (APCs) for T-cell activation. CD40/40L interaction stimulates B-cells to proliferate, differentiate, upregulate costimulatory molecules and increase antigen presentation. The aim of the study was to test the hypothesis that ALL cells can be turned into professional APCs by CD40L activation. Children with B-cell precursor ALL were enrolled into the study. Mononuclear cells from bone marrow or peripheral blood were stimulated with CD40L and interleukin 4. Results: 1) after culture we noted upregulation of all assessed costimulatory, adhesion and activatory molecules i.e. CD1a, CD11c, CD40, CD54, CD80, CD83, CD86, CD123, HLA class I and II; 2) CD40L activated ALL cells induced proliferation of allogeneic T-cells (measured by [3H]thymidine incorporation). These results confirm the possibility of enhancing the immunogenicity of ALL cells with the CD40L system and indicate that this approach can be used in immunotherapeutic trials.
    Źródło:
    Acta Biochimica Polonica; 2006, 53, 2; 377-382
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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