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Wyszukujesz frazę "Pusz, W." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    The modes of teliospore germination of Ustilago trichophora [Link] Kunze ex Kornicke occurring in Poland
    Autorzy:
    Pusz, W
    Powiązania:
    https://bibliotekanauki.pl/articles/57190.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Echinochloa crus-galli
    Ustilago trichophora
    fungi
    germination
    grass species
    plant protection
    teliospore
    Opis:
    Ustilago trichophora affects Echinochloa crus-galli and other species of Echinochloa genus. U. trichophora is a member of the order Ustilaginales, of which the germinating teliospores form a promycelium with sporidia. Investigations by Ingold (1996) proved that spores coming from various parts of the world germinate in a different way. The aim of the investigation was to determine the mode of germination of U. trichophora spores found in Poland.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2003, 72, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microfungal diversity of Juncus trifdus L. and Salix herbacea L. at isolated locations in the Sudetes and Carpathian Mountains
    Autorzy:
    Jacewski, B.
    Urbaniak, J.
    Kwiatkowski, P.
    Pusz, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/2196368.pdf
    Data publikacji:
    2019-06-25
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Juncus trifidus
    Salix herbacea
    microfungi
    biodiversity
    distribution
    Sudetes Mountains
    Carpathians Mountains
    Opis:
    During cold periods in the Pleistocene Epoch, many plants known as the “relict species” migrated and inhabited new areas. Together with plants, some microfungi also migrated, remaining present on plants and in plant communities. However, the relationship between fungi and the migrating plants (especially host plants) is not well understood. Therefore, we examined the diversity and distribution of microfungi associated with two migratory relict plants in the Sudetes and Carpathian Mountains: Salix herbacea L. and Juncus trifidus L. In total, we found 17 taxa of fungi that were collected from nine different locations. Nine fungal taxa were collected on S. herbacea, and eight taxa on J. trifidus. Localities richest of fungi on S. herbacea were Mały Śnieżny Kocioł (Karkonosze Mts, Sudetes) and on J. trifidus, the Tatra Mts (Carpathian Mts). This work provides new insights into the distribution of fungi inhabiting S. herbacea and J. trifidus in Poland.
    Źródło:
    Acta Mycologica; 2019, 54, 1; 1118
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigations of selected properties of pharmacologically active compounds by chromatographic and potentiometric methods on the chrysin example
    Autorzy:
    Pusz, J.
    Zapała, W.
    Papciak, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/778249.pdf
    Data publikacji:
    2008
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    RP-HPLC
    model retencji
    chryzyna
    stała dysocjacji
    retention model
    chrysin
    dissociation constant
    Opis:
    The RP-TLC method was used to determine the dissociation constant of chrysin (5,7-dihydroxyflavone) in methanol-aqueous (1:1 v/v) solutions. In this method the pK value was quantified on the basis of retention data and a retention model. The accuracy of determining the model parameters was analysed using the following statistical criteria: the sum of the squared differences between the experimental and theoretical data, approximation of standard deviation, and the Fisher test. Besides, in this work the potentiometric method was used. Investigations were carried out at ionic strength I=0.1 at T= 298 K. The dissociation constant were determined using the Rossotti method as well as the numerical method based on the procedures of non-linear curve fitting using Microsoft Excel Solver and the user-defined function. It has been found that the differences in the evaluated pK values were relatively small and did not exceed 1.2%.
    Źródło:
    Polish Journal of Chemical Technology; 2008, 10, 1; 41-44
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of oxygen O2 on microwave saturation of EPR lines of plants carbonized at 650°c and potential application in medicine
    Autorzy:
    Pilawa, B.
    Bartłomiejczyk, S.
    Krzesińska, M.
    Pusz, S.
    Zachariasz, J.
    Wałach, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/284844.pdf
    Data publikacji:
    2008
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    karbonizacja roślin
    elektroniczny rezonans paramagnetyczny
    EPR
    nasycenie mikrofalowe
    centra paramagnetyczne
    oksymetria
    carbonized plants
    electron paramagnetic resonance
    microwave saturation
    paramagnetic centers
    oximetry
    Opis:
    Electron paramagnetic resonance spectroscopy (EPR) was used to examination of spin-lattice relaxation in vascular plants carbonized at 650°C. Application of EPR method of continuous microwave signal saturation in medicine was proposed. The first derivative EPR spectra of pyrolysed bamboo and yucca were measured for samples in air and in vacuum. Influence of microwave power in the range 0.7-100 mW on amplitudes of EPR lines were evaluated. It was stated that amplitudes of the studied carbon materials increase with increasing of microwave power in the studied range. Saturation of EPR lines was not observed, so fast spin-lattice relaxation processes exist in the analyzed materials. Changes of EPR amplitudes for samples in air were slower than for evacuated samples. This effect may be used for determination of oxygen contents in the biological cells cultures and for analysis of optimal parameters of photodynamic therapy of cancer.
    Źródło:
    Engineering of Biomaterials; 2008, 11, 73; 9-11
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparatwe EPR analysis of oxygen interactions with plants carbonized at different temperatures
    Autorzy:
    Bartłomiejczyk, S.
    Pilawa, B.
    Krzesińska, M.
    Pusz, S.
    Zachariasz, J.
    Wałach, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/284848.pdf
    Data publikacji:
    2008
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    karbonizacja roślin
    centra paramagnetyczne
    paramagnetyczne utlenianie cząsteczek
    elektroniczny rezonans paramagnetyczny
    widma EPR
    oksymetria
    carbonized plants
    paramagnetic centers
    paramagnetic oxygen molecules
    electron paramagnetic resonance
    EPR spectra
    oximetry
    Opis:
    Carbon materials, bamboo (Bambusa vulagris) and yucca (Yucca flaccida) pyrolysed at 550°C, 750°C and 950°C, were tested as oximetric probes by electron paramagnetic resonance spectroscopy at X-band (9.3 GHz). The following parameters of the spectra: amplitude, linewidth and g-factor, were determined. Influence of oxygen molecules 02 on EPR spectra of the individual carbon materials was compared. Strong EPR spectra were recorded for samples carbonized at 550°C and weak signals were obtained for plants carbonized at higher temperatures: 750°C and 950°C. It was stated that amplitudes of EPR lines of all the carbonized plants decrease in the air environment compared to amplitudes of spectra measured in vacuum. This effect increases with degree of vacuum. Changes in the EPR spectra of samples studied in the air environment may be applied in medicine to determination of oxygen content in different cells. Because of strong resonance signals as oximetric probes we proposed bamboo and yucca carbonized at 550°C, and we rejected plants carbonized at 750°C and 950°C with Iow EPR signals.
    Źródło:
    Engineering of Biomaterials; 2008, 11, 73; 3-5
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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