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Wyszukujesz frazę "Denis, P." wg kryterium: Autor

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    Wyświetlanie 1-15 z 15
    Tytuł:
    Investigations of polycaprolactone/gelatin blends in terms of their miscibility
    Autorzy:
    Kolbuk, D.
    Sajkiewicz, P.
    Denis, P.
    Choinska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/200281.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    blends
    compatibility
    miscibility
    polycaprolactone
    gelatin
    Opis:
    Synthetic and natural polymers blends represent a new brand of materials with application in wound healing, scaffolds or drug delivery systems. Polycaprolactone/gelatin (PCL/Gt) blends were analyzed in terms of their miscibility. The PCL structure was investigated as a function of Gt content. Changes in the PCL spherulitic structure with Gt content were investigated by a polarizing-interference microscope. The analysis of the glass transition temperature (Tg) of both components as a function of PCL/Gt ratio by differential scanning calorimetry indicates that the system of polycaprolactone/gelatin belongs to a type of s.c. compatible system, being intermediate between miscible and immiscible systems. There is possibility of very limited miscibility of both components. Supplementary wide angle X-ray scattering results are presented.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2013, 61, 3; 629-632
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    COVID-19 and Instagram: An Analysis of an Ibero-American Infodemic
    Autorzy:
    Renó, Denis P.
    Martinez-Rolan, Xabier
    Piñeiro-Otero, Teresa
    Versuti, Andrea
    Powiązania:
    https://bibliotekanauki.pl/articles/2154948.pdf
    Data publikacji:
    2022-06-30
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
    Tematy:
    Communication
    Photography
    Instagram
    Big Data
    COVID-19
    Opis:
    Understanding the role of communication promoted by Ibero-American society during the Coronavirus pandemic is fundamental for building knowledge about the disease. In this scenario, Instagram occupies a privileged place, as it carries a diversity of possible languages. Furthermore, Instagram’s relevance in the social media landscape is growing. This article presents, from a study developed through big data analysis procedures, the first result of several that make up an international investigation on the subject. In the project stage, the quantitative volume of publications, the average publication per user and the participation of the different languages used in this analysis group were verified. It is hoped that further investigations can be developed based on the results presented here, especially due to the urgency of knowing the role of communication in the pandemic scenario in which we live.
    Źródło:
    Studia Humanistyczne AGH; 2022, 21, 2; 99-115
    2084-3364
    Pojawia się w:
    Studia Humanistyczne AGH
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The preliminary studies of a structure and electrospinning of new polyurethanes based on synthetic atactic poly[(R, S)-3-hydroxybutyrate]
    Autorzy:
    Sajkiewicz, P.
    Brzeska, J.
    Denis, P.
    Sikorska, W.
    Kowalczuk, M.
    Rutkowska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/201693.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    polyurethane
    polyhydroxybutyrate
    electrospinning
    scaffolds
    Opis:
    Novel polyurethanes based on synthetic, atactic poly[(R, S)-3-hydroxybutyrate] (a-PHB) and polycaprolactone (PCL) or polyoxytetramethylene (PTMG) diols were synthesized. It was shown that the presence of a-PHB within soft segments reduces crystallinity of PUR. Because of the low melting temperature for polyurethanes with PCL in soft segments, at this stage of work, electrospinning was limited to polyurethanes containing PTMG and a-PHB. Polyurethane containing 80% of PTMG and 20% of a-PHB was electrospun at various parameters from hexafluoro-2-propanole solution, resulting in formation of fibers with the average diameter ca. 2 μm. The fiber diameter decreased with decreasing polymer concentration in a solution and was practically insensitive to the needle-collector distance in the applied range of distances.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 1; 55-60
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Strategies for Helicobacter pylori eradication in 1995: A review of international and Belgian experience
    Autorzy:
    Deltenre, M
    Jonas, C.
    Otero, J.
    Cozzoli, A.
    Denis, P.
    Burette, A.
    De Koster, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/69033.pdf
    Data publikacji:
    1996
    Wydawca:
    Polskie Towarzystwo Fizjologiczne
    Tematy:
    macrolide
    bacterial resistance
    in vivo
    in vitro
    Helicobacter pylori
    omeprazole
    peptic ulcer
    gastric milieu
    acid secretion
    treatment
    antibiotic
    microorganism
    gastroduodenal disorder
    stomach
    amoxicillin
    eradication
    Źródło:
    Journal of Physiology and Pharmacology; 1996, 47, 1
    0867-5910
    Pojawia się w:
    Journal of Physiology and Pharmacology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wielka Brytania a Europa -- trochę paradoksów : z Denisem Macshane, brytyjskim ministrem do spraw europejskich rozmawia Michał P. Garapich
    Autorzy:
    Macshane, Denis.
    Powiązania:
    Dziennik Polski i Dziennik Żołnierza (Londyn) 2003, nr 45, s. 2 ; nr 51, s. 2
    Współwytwórcy:
    Garapich, Michał P. Opracowanie
    Data publikacji:
    2003
    Tematy:
    Unia Europejska a Polska integracja polityka
    Politics
    Opis:
    Wielka Brytania a przystąpienie Polski do Unii Europejskiej.
    Fot.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
    Tytuł:
    Wielka Brytania a Europa -- trochę paradoksów : z Denisem Macshane, brytyjskim ministrem do spraw europejskich rozmawia Michał P. Garapich
    Autorzy:
    Macshane, Denis.
    Powiązania:
    Dziennik Polski i Dziennik Żołnierza (Londyn) 2003, nr 45, s. 2 ; nr 51, s. 2
    Współwytwórcy:
    Garapich, Michał P. Opracowanie
    Data publikacji:
    2003
    Tematy:
    Unia Europejska a Polska integracja polityka
    Opis:
    Wielka Brytania a przystąpienie Polski do Unii Europejskiej.
    Fot.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
    Tytuł:
    Molecular structure and formation of chitosan and pectin based thin films
    Autorzy:
    Chudinova, Yuliya V.
    Kurek, Denis V.
    Varlamov, Valery P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1034650.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe
    Tematy:
    Atomic force microscopy (AFM)
    QCM-D
    chitosan
    layer-by-layer (LbL)
    pectin
    thin layers
    Opis:
    In this study using methods of Atomic force microscopy (AFM) and Quartz crystal microbalance with dissipation monitoring (QCM-D) the special characteristics of formation and architecture of thin films coatings based on natural polysaccharides chitosan and pectin were investigated. A layer-by-layer (LbL) deposition technique for assembling of oppositely charged layers was used. The main factors, which have an influence on the process of thin film formation and molecular structure of these coatings, were investigated.
    Źródło:
    Progress on Chemistry and Application of Chitin and its Derivatives; 2016, 21; 18-26
    1896-5644
    Pojawia się w:
    Progress on Chemistry and Application of Chitin and its Derivatives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New affinity sorbents for purification of recombinant proteins with the use of chitin-binding domain as an affinity tag
    Autorzy:
    Kurek, Denis V.
    Lopatin, Sergey A.
    Tikhonov, Vladimir E.
    Varlamov, Valery P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1035530.pdf
    Data publikacji:
    2010
    Wydawca:
    Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe
    Tematy:
    affinity chromatography
    chitin based sorbents
    chitin-binding domain
    Opis:
    With the increasing amounts of recombinant proteins production the problem of effective purification of produced proteins became one of major topics for research nowadays. Affinity chromatography proved to be the most dominant method for this aim and application of chitin based affinity sorbents in combination with use of chitin-binding domain as an affinity tag for purification of recombinant proteins showed its efficiency even in comparison with commercially available systems.
    Źródło:
    Progress on Chemistry and Application of Chitin and its Derivatives; 2010, 15; 41-46
    1896-5644
    Pojawia się w:
    Progress on Chemistry and Application of Chitin and its Derivatives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heterotrophic Flagellates from Freshwater and Soil Habitats in Subtropical China (Wuhan Area, Hubei Province)
    Autorzy:
    Tikhonenkov, Denis V.
    Mylnikov, Alexander P.
    Gong, Ying Chun
    Feng, Wei Song
    Mazei, Yuri
    Powiązania:
    https://bibliotekanauki.pl/articles/763607.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
    Tematy:
    Heterotrophic flagellates, China, subtropics, soil, freshwater, protists
    Opis:
    We studied the diversity of heterotrophic flagellates from the sandy sediments of the Yangtze River, sandy and silty sediments of Donghu Lake, soil, moss and litter from the Luojiashan and Moshan hills as well as litter from the floodplain near Donghu Lake in April 2010. Sixty-seven heterotrophic flagellate species were identified by means of phase and interference contrast light microscopy and transmission electron microscopy. The majority of the observed flagellates were bacterivorous. Local species richness of river sediment communities was significantly lower than that of lake sediments and terrestrial habitats. The communities from the terrestrial habitats were more heterogeneous than those from freshwater sediments. Common species for the aquatic habitats were Rhynchomonas nasuta, Paraphysomonas sp., Neobodo designis, N. curvifilis, Bodo saltans and Spumella spp. In the soils only Spumella spp. was found in the majority of samples. Most characteristic taxa for the lake sediments were Helkesimastix faecicola, Petalomonas minuta, P. pusilla, Diphylleia rotans, Amastigomonas caudata. Amoeboflagellates such as Cercomonas angustus, C. granulifera, Paracercomonas crassicauda were specific for the terrestrial habitats. There were no specific taxa in the river sediments. The majority of the heterotrophic flagellates identified in this survey have been noted in China earlier. They are common (and usually predominant) for other regions in both freshwater and soil habitats.
    Źródło:
    Acta Protozoologica; 2012, 51, 1
    1689-0027
    Pojawia się w:
    Acta Protozoologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparation and characterization of cryogels based on pectin and chitosan
    Autorzy:
    Konovalova, Mariya V.
    Kurek, Denis V.
    Litvinets, Sergey G.
    Martinson, Ekaterina A.
    Varlamov, Valeriy P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1034663.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe
    Tematy:
    SEM
    chitosan
    cryogels
    elemental analysis
    pectin
    Opis:
    Novel cryogels based on pectin and chitosan were obtained by a cryotropic gelation method. Percentage of chitosan in the cryogels was estimated by elemental analysis. The obtained values were from 3.50 to 15.03 % for Apple pectin/Chitosan cryogels and from 9.44 to 17.64 % for Heracleum pectin/Chitosan cryogels. Internal structure and porosity of the cryogels were measured by scanning electron microscopy. According to the scanning electron microscopy, cryogels have a macroporous sheet-like structure. In the future, cryogels can be used in biotechnology and medicine as biocompatible, biodegradable materials.
    Źródło:
    Progress on Chemistry and Application of Chitin and its Derivatives; 2016, 21; 114-121
    1896-5644
    Pojawia się w:
    Progress on Chemistry and Application of Chitin and its Derivatives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Study of Directional Patterns of Ultrasonic Parametric Array
    Autorzy:
    Rakov, Denis S.
    Rakov, Aleksandr S.
    Kudryavtsev, Andrey N.
    Krasnenko, Nikolay P.
    Chursin, Yury A.
    Murin, Maksim A.
    Powiązania:
    https://bibliotekanauki.pl/articles/176760.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    antenna array
    ultrasonic transducer
    primary frequency
    differential frequency
    parametric array
    Opis:
    The paper presents results of numerical calculations and experimental data on the directional pattern of two 38-element parametric arrays composed of ultrasound sources. Two types of antenna arrays are considered, namely with parallel and coaxial connections of ultrasonic transducers (elements). The results of selecting and functional testing of unit elements are described in this paper. It is found that in the coaxial element connection of the antenna array, the level of side lobes is higher than that in the paralel element connection.
    Źródło:
    Archives of Acoustics; 2019, 44, 2; 301-307
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chronic abdominal pain caused by stenosis of celiac trunk – case report
    Autorzy:
    Lachowska-Kotowska, P.
    Prystupa, A.
    Kurys-Denis, E.
    Kesik, J.J.
    Opielak, G.
    Kupis, Z.
    Krupski, Z.
    Zubilewicz, T.
    Maciejewski, R.
    Mosiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/3010.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2010, 04, 2
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-15 z 15

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