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    Wyświetlanie 1-4 z 4
    Tytuł:
    Fear of Missing Out Scale – A Nationwide Representative CAWI Survey in Poland
    Autorzy:
    Jupowicz-Ginalska, Anna
    Kisilowska, Małgorzata
    Baran, Tomasz
    Wysocki, Aleksander
    Jasiewicz, Justyna
    Powiązania:
    https://bibliotekanauki.pl/articles/1113067.pdf
    Data publikacji:
    2021-01-19
    Wydawca:
    Polskie Towarzystwo Komunikacji Społecznej
    Tematy:
    fear of missing out
    FOMO scale
    representative survey
    social media studies
    social media users
    Opis:
    Fear Of Missing Out (FOMO) is a growing problem that arouses interest from scientists, media and recipients. Therefore, finding a universal way to calculate the scale of the phenomenon can not only become a common tool for estimating the extent of FOMO occurrence in any country, but also can be considered for managing this phenomenon. The article presents the results of measuring the FOMO scale in Poland in 2018. The project applied a Computer Assisted Web Interview survey of the representative sample (N=1060) of Poland’s internet users aged 15 years plus. Three groups of ‘FOMO level’ characteristics were determined (age was the most influential variable). The original method of recalculation of the FOMO scale results from figures to percentage data was developed in order to present the FOMO scale index. The FOMO items showed good internal consistency and reliability Cronbach’s α = .89, thus complementing previous international studies.
    Źródło:
    Central European Journal of Communication; 2020, 13, 3(27); 313-332
    1899-5101
    Pojawia się w:
    Central European Journal of Communication
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geochemistry indices and biotests as useful tools in the assessment of the degree of sediment contamination by metals
    Autorzy:
    Koniarz, Tomasz
    Tarnawski, Marek
    Baran, Agnieszka
    Powiązania:
    https://bibliotekanauki.pl/articles/2202856.pdf
    Data publikacji:
    2023
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    metals
    bottom sediments
    zinc ore mining area
    lead ore mining area
    ecotoxicity
    risk assessment
    Opis:
    Ecological and geochemical indicators have been widely accepted as tools with the potential for rapid risk assessment of metal contamination of bottom sediments. In this study we propose a selection of such indicators to characterize the potential ecological risks stemming from metal contamination of the bottom sediments of the Chechło reservoir (S Poland). The Chechło reservoir is located in an area formerly occupied by zinc and lead ore mining and processing industry. High amounts of metals, especially zinc (39.37–4772.00 mg/kg d.m.), cadmium (0.37–21.13 mg/kg d.m.) and lead (4.50–434.49 mg/kg d.m.) have been found in the bottom sediments. Both geochemical (CD – contamination degree) and ecological indices (mean PECQ) were indicative of bottom sediment contamination and their potential toxicity to living organisms. Most of the bottom sediment samples (71%) examined were toxic for Heterocypris incongruens, while only 9% of the samples were toxic to Sinapis alba. However, no significant correlations between the metal content and the response of the test organisms were observed. Correlation and principal component analyses (PCA) showed that silt and clay fractions were the key factors influencing the metal content in the sediments. Our study makes a contribution to building evidence of the need to integrate several indices for the assessment of environmental risks related to the presence of metals in bottom sediments rather than relying on a single one.
    Źródło:
    Geology, Geophysics and Environment; 2023, 49, 1; 5--18
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Expression of the gene encoding blood coagulation factor VIII without domain B in E. coli bacterial expression system
    Autorzy:
    Mazurkiewicz-Pisarek, Anna
    Mazurkiewicz, Alina
    Mikiewicz, Diana
    Baran, Piotr
    Ciach, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/16706242.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    factor VIII
    hemophilia type A
    recombinant coagulation factor VIII
    prokaryotic expression system
    E. coli
    recombinant protein production system
    Opis:
    In this article, we have demonstrated the feasibility of generating an active form of recombinant blood coagulation factor VIII using an E. coli bacterial expression system as a potential treatment for hemophilia type A. Factor VIII (FVIII), an essential blood coagulation protein, is a key component of the fluid phase blood coagulation system. So far, all available recombinant FVIII formulations have been produced using eukaryotic expression systems. Mammalian cells can produce catalytically active proteins with all the necessary posttranslational modifications. However, cultivating such cells is time-consuming and highly expensive, and the amount of the obtained product is usually low. In contrast to eukaryotic cells, bacterial culture is inexpensive and allows the acquisition of large quantities of recombinant proteins in a short time. With this study, we aimed to obtain recombinant blood coagulation factor VIII using the E. coli bacterial expression system, a method not previously explored for this purpose. Our research encompasses the synthesis of blood coagulation factor VIII and its expression in a prokaryotic system. To achieve this, we constructed a prokaryotic expression vector containing a synthetic factor VIII gene, which was then used for the transformation of an E. coli bacterial strain. The protein expression was confirmed by mass spectrometry, and we assessed the stability of the gene construct while determining the optimal growth conditions. The production of blood coagulation factor VIII by the E. coli bacterial strain was carried out on a quarter-technical scale. We established the conditions for isolation, denaturation, and renaturation of the protein, and subsequently confirmed the activity of FVIII.
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2023, 104, 3; 247-262
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Adnexal torsion – can laparoscopy wait?
    Skręt przydatków – czy laparoskopia może poczekać?
    Autorzy:
    Cichoń, Bartosz
    Słowik, Łukasz
    Baran, Katarzyna
    Gadomska, Aleksandra
    Gilewska, Justyna
    Cichoń, Tomasz
    Lemm, Magdalena A.
    Bakon, Igor
    Witek, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/1426938.pdf
    Data publikacji:
    2021-02-28
    Wydawca:
    Śląski Uniwersytet Medyczny w Katowicach
    Tematy:
    adnexal torsion
    ovaries
    laparoscopy
    skręt przydatków
    jajnik
    laparoskopia
    Opis:
    Adnexal torsion is a rare emergency condition and its diagnosis is challenging as the clinical presentation is nonspecific. About half of the cases of adnexal torsion are not identified in a timely manner. It is important to undergo prompt surgery to preserve ovarian function. Our article describes the clinical presentation of adnexal torsion and early surgical intervention to preserve the adnexa in a young woman.
    Skręt przydatków jest rzadkim stanem nagłym, a jego diagnoza jest wyzwaniem, ponieważ objawy kliniczne są niecharakterystyczne. Około połowy przypadków skrętu przydatków pozostaje nierozpoznana w odpowiednim czasie. Podjęcie szybkiego leczenia operacyjnego jest istotne, aby zachować funkcję jajnika. W artykule opisano objawy kliniczne skrętu przydatków i wczesną interwencję chirurgiczną pozwalającą na zachowanie przydatków u młodej pacjentki.
    Źródło:
    Annales Academiae Medicae Silesiensis; 2021, 75; 8-10
    1734-025X
    Pojawia się w:
    Annales Academiae Medicae Silesiensis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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