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    Tytuł:
    Phenolic acids improve the antioxidant activity of ceruloplasmin isolated from plasma of healthy volunteers and atherosclerotic patients
    Autorzy:
    Gryszczynska, B.
    Iskra, M.
    Wielkoszynski, T.
    Malecka, M.
    Budzyn-Napierala, M.
    Kasprzak, M.
    Gryszczynska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/15017.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Opis:
    The aim of the present study was to estimate the ability of individual phenolic acids to eliminate Fe(II) ions from the solution. Moreover, the influence of phenolic acids on the ferroxidase activity of ceruloplasmin (Cp) isolated from blood plasma of healthy volunteers (CpC) and patients with atherosclerosis obliterans (CpAO) was established in vitro. Phenolic acids demonstrated a ferroxidase-like activity, i.e. the ability to eliminate Fe(II) ions, within the studied concentration range of 2.0-17.0 mol 10-5 dm-3, in the following order of decreasing effectiveness: caffeic acid (CA)>ellagic acid (EA)>chlorogenic acid (ChA)>ferulic acid (FA) ≈ p-coumaric acid (PcA) = sinapic acid (SA). The study showed that the ability of phenolic acids to eliminate Fe(II) ions by oxidation or chelation was related to the structure of the former, to the presence of orto -OH groups, especially. Furthermore, the effect of the molar ratio of phenolic acid to Fe(II) ion was observed. EA and ChA, both containing two orto-OH groups and the highest number of –OH groups (4 and 5, respectively), demonstrated the greatest ability to eliminate Fe(II) ions, especially at the Fe(II) to phenolic acid molar ratio of 6:1. Phenolic acids added to samples with a constant amount of Cp caused decrease in the concentration of Fe(II) ions. Therefore, it may be assumed that the addition of phenolic acids to CpC and CpAO, even in low concentrations, caused a significant decrease in the concentration of Fe(II) ions.
    Źródło:
    Journal of Elementology; 2015, 20, 1
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Raspberry seed extract improves the ferroxidase activity of ceruloplasmin in patients with lower artery chronic total occlusion
    Autorzy:
    Gryszczynska, B.
    Iskra, M.
    Malecka, M.
    Wielkoszynski, T.
    Pacholek, B.
    Gliszczynska-Swiglo, A.
    Gryszczynska, A.
    Budzyn-Napierala, M.
    Kasprzak, M.
    Strzyzewski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/14122.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    raspberry
    seed extract
    ferroxidase
    enzyme activity
    natural antioxidant
    atherosclerosis
    ceruloplasmin
    patient
    Opis:
    Ceruloplasmin (Cp) is the major antioxidant in plasma, a protein that carries about 95% of the total copper. Multiple biochemical activities of ceruloplasmin have been described, including copper transport or oxidation of Fe(II) to Fe(III) for subsequent uptake by transferrin and ferritin. Reduction of the pool of free Fe(II) ions by Cp prevents the generation of free radicals and reactive oxygen species by oxidation of Fe(II), thus inhibiting the Haber-Weiss reaction. The removal of both free Fe(II) and Fe(III) ions from blood plasma by polyphenols enhances the antioxidant system of the living organism. However, the mechanism of interactions between exo- and endogenous antioxidants is still under consideration. The effect of raspberry seed extract (RSE) on the ferroxidase activity of ceruloplasmin isolated from plasma of patients with chronic arterial occlusion of the lower limbs due to atherosclerosis (CpAO) was investigated. Moreover, the effect of RSE on the ferroxidase activity of Cp isolated from healthy volunteers (CpC) was also estimated. The ferroxidase activity of Cp, expressed as ΔFe(II), was determined by spectrophotometry with the use of the Fe(II) – histidine complex and ferrozine as a chromogenic reagent. The addition of RSE to samples with the same amount of both CpAO or CpC in each caused an increase in ΔFe(II). The polyphenol-rich RSE may assist Cp in the fight against free radicals and reactive oxygen species when the disease occurs due to an excessive use or reduced production of endogenous antioxidants.
    Źródło:
    Journal of Elementology; 2015, 20, 2
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Financing the development of tourism in the Łódź Voivodeship and Oppland county (Norway)
    Autorzy:
    Adamiak, M.
    Napierała, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/105948.pdf
    Data publikacji:
    2012
    Wydawca:
    Centrum Badań i Innowacji Pro-Akademia
    Tematy:
    tourism
    development
    local government
    Łódź Voivodeship
    Oppland county
    turystyka
    rozwój
    samorząd
    województwo łódzkie
    Hrabstwo Oppland
    Opis:
    In this paper, the authors determined the specific features of the construction of budgets in Poland and Norway and showed areas of tourism occurrence in the budget classifications of both countries. Then, thoroughly analysed the expenditures made by municipalities and counties of the Lodz region, booked in the financial accounts which content was strongly connected with tourism. Authors had focused on direct relationship, as well as indirect effects on the development of tourism through promotion, development of culture and sport. The obtained results were compared with corresponding values observed in the Norwegian county of Oppland and its municipalities. It should be emphasized that by completing the research project, authors gained knowledge to identify strengths and weaknesses of the of local budgets in Poland and Norway. Flexibility of classification and the high comparability of local government units\\\' budgets at all levels are the main advantages of Polish budgets. On the other hand, the precise description of budgets and high quality of official statistics are undoubtedly advantages of Norwegian local government budgets. The fact is that the resources available to the Norwegian local authorities, even after taking into account the difference between purchasing power of the Norwegian krone and Polish zloty, are objectively higher. It is worth noting that the amount of funds allocated to finance specific activities, such as those related to the development of tourism, cannot be equated with the efficiency of their spending. However this question was not the subject of research undertaken by the authors. Described research project gives the authors the ability to assess the position of tourism in the Polish and Norwegian budget classification. Although the Polish classification revealed a dedicated account that was directly connected with tourism, at the same time it was diagnosed to have minor importance in planning and constructing local budgets. Therefore, the problem with both Polish and Norwegian budgets is the lack of possibilities to perform simple estimations of the amount of resources assigned to the areas of tourism development. The authors suggest to perform a specific study within this range and develop a diagnosis of individual tasks financed by the government and determine the degree of their impact on the development of tourism in the municipalities or counties. Therefore they hope that this article will be a contribution to make further research on the importance of tourism in local government budgets.
    Źródło:
    Acta Innovations; 2012, 5; [1-19]
    2300-5599
    Pojawia się w:
    Acta Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of Scots pine (Pinus sylvestris) natural selection in old foci of Heterobasidion annosum root rot
    Autorzy:
    Napierala-Filipiak, A.
    Filipiak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41285.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Opis:
    Heterobasidion annosum (Fr.) Bref. is a fungal pathogen causing root rot – one of the most economically important diseases in coniferous stands in Europe, Asia and North America. A major objective of this study was to determine if the offspring of self-sown trees from natural regeneration in old foci of root rot is more resistant to infection by this pathogen than the offspring of plus trees. In experiments conducted in the greenhouse above 700 seedlings grown from seeds collected from 60 trees in 6 old foci of the disease (research plots) and 480 seedlings grown from seeds collected in 4 seed orchards were used. The pathogen was represented by 7 different fungal strains. Plus trees, whose grafts are used to establish seed orchards, were the selected elite of forest trees, but their offspring after inoculation with H. annosum had significantly worse results than the seedlings developed from the seeds collected in old foci of the disease (research plots). The greatest differences were observed in seedling dry weight. In inoculated seedlings from seed orchards it was 14% lower than in the control, while the dry weight of inoculated seedlings from research plots did not differ significantly from that of non-inoculated seedlings.
    Źródło:
    Dendrobiology; 2011, 66
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of canopy density on the defoliation of the European silver fir (Abies alba Mill.) due to heavy industrial pollution
    Autorzy:
    Filipiak, M
    Napierala-Filipiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41603.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    silver fir
    European silver fir
    Abies alba
    canopy density
    defoliation
    air pollution
    industrial pollution
    crown defoliation
    crown regeneration
    ecology
    heavy industrial pollution
    environment protection
    Opis:
    Until recently, the level of industrial air pollution in the Sudetes (a mountain range extending on the Czech Republic and Poland border) was very high.This caused a large-scale forest decline, especially in the western part of the Polish Sudetes: in the Izerskie and Karkonosze Mts. An analysis of data on fir defoliation in that area, collected directly after the period of heavy industrial pollution, showed a clear dependence of the degree of defoliation of the primary crown on canopy density: the lower the density, the higher the degree of defoliation.
    Źródło:
    Dendrobiology; 2009, 62; 17-22
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Relation between the height of Larix kaempferi and some climatic characteristics in Poland
    Autorzy:
    Filipiak, M
    Napierala-Filipiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41673.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Polska
    climate
    temperature precipitation
    acclimation
    Japanese larch
    Larix kaempferi
    exotic species
    woodland
    climatic zone
    height
    larch stand
    Opis:
    Japanese larch (Larix kaempferi Sarg.) is one of the most frequent exotic species in Polish woodlands. The basic object of research comprised 60 stands of the studied species, located mainly in the northern and western parts of Poland. The growth results for the studied species, evaluated on the basis of the average height (hg55), were compared with data describing the local climate and the stand location within the botanical and climatic zoning. The results confirm the opinion that the Japanese larch prefers a climate of maritime character and generally shows high degree of flexibility regarding its climatic requirements (very large differences between the growth conditions in the studied area and the country of origin). The dependence between the growth results and precipitation is however lower than expected. The most interesting results include the relatively clear connection between the height of the larch stands and the Degórski’s (1984) ‘floristic’ ‘K’ (continentality) index.
    Źródło:
    Dendrobiology; 2008, 60; 11-17
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A ‘contest’ as a pedagogical method in tourism higher education: A case study in teaching creativity through problem-solving
    Autorzy:
    Leśniewska-Napierała, Katarzyna
    Napierała, Tomasz
    Tjørve, Kathleen M.C.
    Tjørve, Even
    Powiązania:
    https://bibliotekanauki.pl/articles/627362.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    tourism
    higher education
    contest
    Opis:
    The main goal of the paper is to discuss whether a contest, as an educational tool, can develop the creativity of participants when the main goal of the students may be to win. A 24HOURS contest was implemented as a case study. Three methods were used to evaluate the effectiveness of the 24HOURS contest: a written questionnaire, individual in-depth interviews, and an online questionnaire. Results proved that the contest was unsatisfactory in increasing students’ creativity, as they were oriented to win, or to acquire knowledge, rather than to cooperate or interact with representatives of other student teams. The investigation confirmed the tutors’ enabling responsibility for both cooperation and creativity during the contest. However, expectations of tutor engagement caused concern and their role should, therefore, have been more clearly defined. Analysis of the case study presented in this paper can provide pedagogues with insight into the design and implementation of contests as educational tools.
    Źródło:
    Turyzm; 2020, 30, 1; 43-52
    0867-5856
    2080-6922
    Pojawia się w:
    Turyzm
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in elm (Ulmus) populations of mid-western Poland during the past 35 years
    Autorzy:
    Napierala-Filipiak, A.
    Filipiak, M.
    Lakomy, P.
    Kuzminski, R.
    Gubanski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/41427.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    elm
    Ulmus glabra
    Ulmus minor
    Ulmus laevis
    Dutch elm disease
    alluvial habitat
    forest
    plant population
    Polska
    Opis:
    Three elm species are native to Poland: wych elm (Scots elm) (Ulmus glabra Huds.), field elm (U. minor Mill.), and European white elm (fluttering elm) (U. laevis Pall.). The epidemic of Dutch elm disease (DED) has led to a decrease in the popularity of elm cultivation. An analysis of forestry data was the first step in the assessment of elm resources. The area of forest stands where elms are dominant has more than doubled since 1978. Lowland alluvial forests rank first in regards to the number of elm localities per unit area of a given forest site type. While this site type is clearly preferred by elms, the majority of elm trees are actually scattered among sites of oak-hornbeam or closely related forests (of the alliance Carpinion betuli). Field research revealed a clear dominance of U. laevis, a species which in the past was predominantly located out of woodland and rarely cultivated. Data analysis indicated that all trees greater than 70 cm in diameter belonged to this species. Data from plots surveyed directly also suggest that the three elm species have slightly different habitat preferences. U. laevis prefers riparian habitats, although the major part of its resources is now on potential sites of oak-hornbeam or closely related forests. U. minor even more often than U. laevis occurs at less humid sites (mostly potential sites of oak-hornbeam or closely related forests), while U. glabra prefers moist slopes. In general, it appears that the impact of DED in the last 20–30 years has been smaller than in the preceding period, however, the disappearance of the disease has not been established. Undoubtedly, U. laevis is the elm species that is least impacted by DED
    Źródło:
    Dendrobiology; 2016, 76
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of Ophiostoma population infected elms in Poland
    Autorzy:
    Lakomy, P.
    Kwasna, H.
    Kuzminski, R.
    Napierala-Filipiak, A.
    Filipiak, M.
    Behnke, K.
    Behnke-Borowczyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/41115.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    investigation
    Ophiostoma
    fungi
    infected plant
    elm
    Ulmus
    Dutch elm disease
    Polska
    Opis:
    Dutch elm disease (DED) still occurs in Poland. Previous studies confirmed occurring O. ulmi and two subspecies of O. novo-ulmi: subsp. novo-ulmi and subsp. amerciana. In this study the population of Ophiostoma occurred in Poland was investigated. The disease incidence was investigated on elms growing in 39 locations. The pathogen’s mycelium was isolated from elm branches and twigs collected from 22 plots. The disease symptoms were noted in 5% to 35% trees. Fungi were identified based on the PCR amplification of the ITS 1/2 rDNA together with phylogenetic analysis of this region. Ophiostoma novo-ulmi was the only agent caused DED on Ulmus glabra, U. minor and U. laevis. There were no genetic diversity of O. novo-ulmi Polish population in analyzed ITS region. All kind of specific symptoms and disease intensity occurred independently on elm species and host age. Ulmus minor was infested most sever among the three elms species.
    Źródło:
    Dendrobiology; 2016, 76
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of abundance and distribution of the Roman snail (Helix pomatia Linnaeus, 1758) in Kujawsko-Pomorskie voivodeship
    Autorzy:
    Bloszyk, J.
    Machnikowski, M.
    Napierala, A.
    Goldyn, B.
    Rybska, E.
    Stepczak, K.
    Szybiak, K.
    Konwerski, S.
    Leszczynska-Deja, K.
    Dylewska, M.
    Kalinowski, T.
    Jankowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/84063.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Opis:
    Populations of Helix pomatia L. in Poland have been commercially exploited since 1951; the snails are mostly exported. The growing interest in the Roman snail on the European market has resulted in its increased exploitation, in some areas leading to a considerable decrease in its abundance. Introducing export quota in 1964 did not prevent overexploitation. Precise assessment of abundance and distribution of the Roman snail populations in areas where it is exploited is necessary. In 2009 the team from the Faculty of Biology, Adam Mickiewicz University in Poznań, conducted a preliminary assessment and mapping of the abundance and distribution of the Roman snail populations in Kujawsko-Pomorskie voivodeship. Most populations showed a low density. From scientific point of view the most reasonable solution would be to suspend exploitation in 2010 and continue monitoring, while decisions to issue permits for limited exploitation should be postponed till 2011. It would enable a more detailed estimation of the non-exploited populations and an assessment of losses resulting from exploitation of controlled reference populations. In this way acceptable limits of annual commercial collecting could be set for particular parts of the voivodeship.
    Źródło:
    Folia Malacologica; 2010, 18, 3
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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