Autor: Kapica, J. - Katalog OPAC zbiorów

Skocz do pozycji: 16.

Tytuł:: Preparation and properties of porous carbon material containing magnesium oxide
Autorzy:: Przepiórski, J.
Czyżewski, A.
Kapica, J.
Casa-Lillo, M. A. de la
Powiązania:: https://bibliotekanauki.pl/articles/779835.pdf
Data publikacji:: 2011
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: węgiel porowaty
MgO
porowatość
porous carbon
porosity
Opis:: Porous carbons loaded with magnesium oxide were prepared through one-step process. Poly(ethylene terephthalate) and natural magnesite were used as carbon source and MgO precursor, respectively. An impact of a temperature and relative amounts of raw components used for preparations on the textural parameters of resulting hybrid materials is presented and discussed. As found, pore structure parameters tend to decrease along with MgO loading and temperature used during preparation process. Micropore area is the parameter being reduced primarily.
Źródło:: Polish Journal of Chemical Technology; 2011, 13, 4; 42-46
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 17.

Tytuł:: Continuous solutions of iterative equations of infinite order
Autorzy:: Kapica, R.
Morawiec, J.
Powiązania:: https://bibliotekanauki.pl/articles/255177.pdf
Data publikacji:: 2009
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: random-valued vector functions
sequences of iterates
iterative equations
continuous solutions
Opis:: Given a probability space (Ω, A, P) and a complete separable metric space X, we consider R continuous and bounded solutions φ: X → R of the equations φ (x) = ∫Ω φ(ƒ(x, ω)) P(dω) and φ(x) = 1 - ∫Ωφ(ƒ(x, ω)) P(dω), assuming that the given function ƒ : X x Ω → X is controlled by a random variable L: Ω → (0, ∞) with -∞ < ∫Ω log L (ω) P (dω) < 0. An application to a refinement type equation is also presented.
Źródło:: Opuscula Mathematica; 2009, 29, 2; 147-155
1232-9274
2300-6919
Pojawia się w:: Opuscula Mathematica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 18.

Tytuł:: Cold plasma in the nanotechnology of catalysts
Autorzy:: Tyczkowski, J.
Kapica, R.
Powiązania:: https://bibliotekanauki.pl/articles/778491.pdf
Data publikacji:: 2007
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: kataliza
nanostruktura
plazma zimna
CVD
tlenek kobaltu
cienka warstwa
catalysis
nanostructures
cold plasma
metal-organic chemical vapor deposition
cobalt oxides
thin films
Opis:: In the paper the preparation of catalysts with the use of cold plasmas is discussed. A special attention is focused on nanocatalysts. In general, there are three main trends in this field: (1) plasma enhanced preparation of ..classical" catalysts, (2) plasma sputtering of catalytically active compounds, especially metal and metal oxide nanoparticles, and (3) plasma-enhanced metal-organic chemical vapor deposition (PEMOCVD) of very thin metal and metal oxide films with specific nanostructure. It is shown that the cold plasma techniques are very effective methods for designing the nanocatalysts with distinct and tunable chemical activity, specificity and selectivity. Finally, our preliminary investigations concerning CoOx catalytic films fabricated by the PEMOCVD method are presented.
Źródło:: Polish Journal of Chemical Technology; 2007, 9, 1; 36-42
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 19.

Tytuł:: The comparisons of blood plasma and cerebrospinal fluid S100B protein concentrations in patients with Alzheimer`s disease, amyotrophic lateral sclerosis, and multiple sclerosis
Autorzy:: Tarasiuk, J.
Kapica-Topczewska, K.
Chorąży, M.
Borowik-Zaręba, A.
Mroczko, B.
Kochanowicz, J.
Kułakowska, A.
Powiązania:: https://bibliotekanauki.pl/articles/1918848.pdf
Data publikacji:: 2019-08-26
Wydawca:: Uniwersytet Medyczny w Białymstoku
Tematy:: S100
blood
cerebrospinal fluid
Alzheimer's disease
Amyotrophic lateral sclerosis
Multiple sclerosis
Opis:: Introduction:S100 calcium-binding protein B (S100B) is a biochemical marker of astroglial damage. Purpose: To assess the pathophysiological implications of S100B concentrations in blood plasma and cerebrospinal fluid of patients with neurodegenerative central nervous system disorders. Materials and Methods: In this study, we determined and compare S100B concentrations in blood plasma and cerebrospinal fluid obtained from subjects diagnosed with Alzheimer's disease (n=20), amyotrophic lateral sclerosis (n=12), multiple sclerosis (n=40) and the reference group (n=20), using enzyme-linked immunosorbent assay. Results: Concentrations of S100B in plasma collected from patients diagnosed with Alzheimer's disease (252,38±183,50 pg/mL) and multiple sclerosis (164,92±250,14 pg/mL) were above laboratory standards, but in patients with amyotrophic lateral sclerosis (53,96±56,92 pg/mL) and the reference group (2,12 pg/mL) were below laboratory norms (N>75 pg/mL). Concentrations of S100B in plasma collected from patients with Alzheimer's disease (252,38±183,50 pg/mL) were significantly higher than in patients with amyotrophic lateral sclerosis (53,96±56,92 pg/mL) (p<0,029). Concentrations of S100B in CSF collected from the reference group (546,96±236,62 pg/mL) and from patients with Alzheimer's disease (587,53±189,57 pg/mL), amyotrophic lateral sclerosis (404,41±179,56 pg/mL), multiple sclerosis (462,03±146,01 pg/mL) were very similar, and none of pairwise comparisons reached statistical significance. Conclusions: Results of our studies indicate the importance of S100B protein concentration assessment in blood in central nervous system disorders differential diagnostics.
Źródło:: Progress in Health Sciences; 2019, 1; 22-27
2083-1617
Pojawia się w:: Progress in Health Sciences
Dostawca treści:: Biblioteka Nauki

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