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    Wyświetlanie 1-8 z 8
    Tytuł:
    Transperitoneal transport dynamics of methotrexate in vitro: tissue and diffusion barriers
    Autorzy:
    Czyzewska, K
    Powiązania:
    https://bibliotekanauki.pl/articles/69773.pdf
    Data publikacji:
    1995
    Wydawca:
    Polskie Towarzystwo Fizjologiczne
    Tematy:
    transport dynamics
    diffusion barrier
    anticancer drug
    transport asymmetry
    in vitro
    methotrexate
    intraperitoneal pharmacotherapy
    mesothelial barrier
    peritoneal membrane
    intraperitoneal chemotherapy
    ovarian cancer
    rabbit
    tissue
    Źródło:
    Journal of Physiology and Pharmacology; 1995, 46, 2
    0867-5910
    Pojawia się w:
    Journal of Physiology and Pharmacology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Encapsulated catalase from Serratia genus for H2O2 decomposition in food applications
    Autorzy:
    Czyzewska, K.
    Trusek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/779666.pdf
    Data publikacji:
    2018
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    catalase
    hydrogen peroxide
    enzyme encapsulation
    cold sterilization
    Serratia genus
    Opis:
    The recombinant catalase isolated from a psychrotolerant microorganism belonging to Serratia genus exhibits a high activity in a wide range of pH. Due to a great catalytic potential in operational conditions, it can be used in various industrial applications whereby it acts as a hydrogen peroxide scavenger. To reduce the cost of biocatalyst the enzyme encapsulation into a hydrogel structure was proposed. The obtained results showed a high activity of encapsulated catalase in acidic conditions (pH in range 4.4 - 6.6) and at low temperatures (6-15°C). Moreover, immobilized catalase exhibited a high stability in natural media, especially in milk. Its activity during peroxide decomposition in milk, the possibility of re-using, as well as the fixed bed reactor performance confirmed wide application possibilities. High values of enzyme and substrate concentrations led to the beads burst due to rapid oxygen diffusion from the capsules, thus they are limited.
    Źródło:
    Polish Journal of Chemical Technology; 2018, 20, 4; 39-43
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The lichen family Parmeliaceae in Poland. II. The genus Cetrelia
    Autorzy:
    Kukwa, M.
    Pietnoczko, M.
    Czyzewska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/58697.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    lichen
    Parmeliaceae
    Polska
    Cetrelia
    Cetrelia cetrarioides
    Cetrelia chicitae
    Cetrelia monachorum
    Cetrelia olivetorum
    chemotaxonomy
    threatened species
    Opis:
    In a study of the genus Cetrelia in Poland, four taxa have been identified, two of which, C. chicitae and C. monachorum, are reported for the first time from the country. All taxa differ in chemistry and subtle morphological characters. Cetrelia monachorum is the commonest member of the genus in Poland (237 records), whereas C. chicitae is known only from 6 records. All taxa are endangered, and three, C. cetrarioides, C. chicitae and C. olivetorum, appear to be critically so, thus deserving the category CR; although C. monachorum is the most frequent, it is not common and should be treated as endangered (EN). The distribution of all taxa, their habitat requirements, as well as morphology and secondary chemistry, are discussed.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2012, 81, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Benefits and risks associated with genetically modified food products
    Autorzy:
    Kramkowska, M.
    Grzelak, T.
    Czyzewska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/49552.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Medycyny Wsi
    Opis:
    Scientists employing methods of genetic engineering have developed a new group of living organisms, termed ‘modified organisms’, which found application in, among others, medicine, the pharmaceutical industry and food distribution. The introduction of transgenic products to the food market resulted in them becoming a controversial topic, with their proponents and contestants. The presented study aims to systematize objective data on the potential benefits and risks resulting from the consumption of transgenic food. Genetic modifications of plants and animals are justified by the potential for improvement of the food situation worldwide, an increase in yield crops, an increase in the nutritional value of food, and the development of pharmaceutical preparations of proven clinical significance. In the opinions of critics, however, transgenic food may unfavourably affect the health of consumers. Therefore, particular attention was devoted to the short- and long-lasting undesirable effects, such as alimentary allergies, synthesis of toxic agents or resistance to antibiotics. Examples arguing for the justified character of genetic modifications and cases proving that their use can be dangerous are innumerable. In view of the presented facts, however, complex studies are indispensable which, in a reliable way, evaluate effects linked to the consumption of food produced with the application of genetic engineering techniques. Whether one backs up or negates transgenic products, the choice between traditional and non-conventional food remains to be decided exclusively by the consumers.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2013, 20, 3
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution of some lichenicolous fungi in Poland. II
    Rozmieszczenie wybranych grzybów naporostowych w Polsce. II
    Autorzy:
    Czyzewska, K.
    Hachulka, M.
    Lubek, A.
    Zaniewski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/67708.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Opis:
    Twenty six species of lichenicolous fungi, one lichenicolous lichen and one lichenicolous myxomycete are discussed. Vouauxiomyces sp., the anamorph of Abrothallus caerulescens, is reported as new to Poland. Abrothallus microspermus is reported from the Polish lowlands for the first time. Trichonectria hirta and Vouauxiomyces truncatus are reported from Poland for the second time.
    W pracy przedstawiono 28 taksonów grzybów naporostowych (26 gatunków) oraz porostów (Vezdaea aestivalis) i śluzowcow (Licea parasitica) naporostowych. Gatunki te występowały na 88 nowych stanowiskach zlokalizowanych w Polsce Północnej, Środkowej i Południowej (Fig. 1). Badane materiały są zdeponowane w herbariach LOD, KTC i KRA RA M-L. Wśród rozpoznanych gatunków, Vouauxiomyces sp. (anamorfa Abrothallus caerulescens) jest taksonem nowym dla Polski, a Trichonectria hirta i Vouauxiomyces truncatus (anamorfa Abrothallus microspermus) stwierdzono po raz drugi w kraju. Abrothallus microspermus, znany tylko ze starych notowań na Śląsku (Koerber 1855; Stein 1879), został tutaj podany po raz pierwszy z niżu polskiego. Gatunkami nowymi dla Polski Środkowej są: Abrothallus caerulescens, Arthonia galactinaria, Arthorhaphis aeruginosa, Chaenothecopsis pusilla, Lichenoconium xanthoriae, Monodictys epilepraria, Taeniolella punctata, Vezdaea aestivalis i Licea parasitica.
    Źródło:
    Acta Mycologica; 2008, 43, 2
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The merits of fat replacers in low-calorie food
    Autorzy:
    Grzelak, T.
    Grupińska, J.
    Pelczyńska, M.
    Sperling, M.
    Czyżewska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/11543543.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    Carbohydrate and protein replacers of fat are frequently used by food manufacturers in response to the increased risk of diseases, which are connected with oversupply of energy and lipids in the diet. Low-calorie replacers such as inulin can limit hunger and normalize blood cholesterol levels. Increases in the nutritional value of food products can be achieved by partially replacing fat by soy protein isolates. Amino acids and deficient minerals like calcium and iron can be provided by food containing protein-based fat substitutes. Some fat substitutes, like maltodextrin, can slightly reduce the bioavailability of the fat-soluble vitamins. As a result, food products containing maltodextrin should be fortified with the affected substances to reduce the risk of malnutrition. The long-term effects of carbohydrate and protein replacers on the human body have not been sufficiently explained, and so fat replacers should be limited in the daily diet.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2017, 16, 2; 87-94
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The use of low-carbohydrate diet in type 2 diabetes-benefits and risks
    Autorzy:
    Czyzewska-Majchrzak, L.
    Grzelak, T.
    Kramkowska, M.
    Czyzewska, K.
    Witmanowski, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/50466.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2014, 21, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The expression of apoptosis-related proteins in patients with ulcerative colitis
    Autorzy:
    Niewiarowska, K.
    Lebelt, A.
    Gryko, M.
    Pryczynicz, A.
    Famulski, W.
    Czyżewska, J.
    Kemona, A.
    Piekarska-Dymicka, V.
    Jagodzińska, D.
    Guzińska-Ustymowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1916338.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Medyczny w Białymstoku
    Tematy:
    Ulcerative colitis
    Bcl-xl
    Bax
    Bid
    Bcl-2
    Opis:
    Purpose: Recent literature data indicate a key role of apoptosis in the pathogenesis of inflammatory bowel disease. The aim of the study was to evaluate the expression of Bax, Bid, Bcl-2 and Bcl-xl in non-dysplastic and dysplastic epithelium in inflamated mucosa of patients with ulcerative colitis. Methods: The study consists of 18 patients with diagnosed ulcerative colitis. The expression of proteins was determined immunohistochemically. Results: Lack of Bax expression in normal epithelium of the inflamed intestinal mucosa (94.4%) and a weak expression of this protein were found in dysplastic glandular cells (67%). The Bax expression of dysplastic epithelium correlates with reduced severity of chronic inflammation (p<0.005). Bid expression in non-dysplastic glands was found in 67% of cases vs. 16% in dysplastic epithelium that was associated with the occurrence of epithelial erosions or ulcers (p<0.05). Moderate cytoplasmic expression of Bcl-xl was noted in 27.7% of patients in normal epithelium and in 66.1% within dysplastic lesions. Bcl-xl expression in dysplastic glandular cells correlated with the presence of neutrophils in the lamina propria (p <0.05). Conclusions: The immunohistochemical expressions of Bax, Bcl-2 and Bcl-xl increase and Bid protein expression decreases in dysplastic glandular tubes as compared to non-dysplastic intestinal epithelium in inflamed mucosa, which may suggest an imbalance of controlled cell death in ulcerative colitis.
    Źródło:
    Progress in Health Sciences; 2014, 4, 1; 75-82
    2083-1617
    Pojawia się w:
    Progress in Health Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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