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    Wyświetlanie 1-8 z 8
    Tytuł:
    Impact of Cigarette Butts on Plant Germination Based on Sinapis alba L. and Hordeum vulgare L. Seeds
    Autorzy:
    Jakimiuk, Aleksandra
    Bulak, Alicja
    Barroso, Petra Martínez
    Podlasek, Anna
    Vaverková, Magdalena Daria
    Powiązania:
    https://bibliotekanauki.pl/articles/2173244.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    personal litter
    cigarette butt
    ecotoxicological test
    adverse effect
    Opis:
    Cigarette butts (CBs) have only recently begun to be considered environmentally harmful waste. CBs are common waste in the environment, that can cause air, soil, and water pollution and pose a threat to the living. CBs should be treated as toxic and hazardous waste due to its slow decomposition and accumulation of many toxic substances. There is a lack of research on the adaptation of CBs to the environment and what impact they have on vegetation. Therefore, the present work aimed to understand the toxicity of smoked CBs. Leachates of various concentrations were assessed with ecotoxicological tests. The effect of CBs on germination and development of plants at their early stage of growth was determined. Seeds of Sinapis alba L. and Hordeum vulgare L. were used in the CBs toxicity test. Two-way ANOVA was conducted to compare the main effects on plants. From the results, it is evident that low concentrations of toxic substances contained in CBs have a positive effect on plants; however, Hordeum vulgare L. expresses higher toxic resistance than Sinapis alba L. It has been proven that high concentrations of CBs in a water solution have negative effects on seed germination and radical growth. This research shows that varied plant species can cope with different levels of contamination by hazardous elements. CBs are an important source of contamination for the environment and the hazardous elements that are released from them when inappropriately disposed of can impair the development of plants and accumulate in them.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 7; 226--237
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Protective effects of quercetin on cadmium fluoride induced oxidative stress at different intervals of time in mouse liver
    Autorzy:
    Zargar, Seema
    Siddiqi, Nikhat
    Al Daihan, Sooad
    Wani, Tanveer
    Powiązania:
    https://bibliotekanauki.pl/articles/1039092.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    cadmium fluoride
    quercetin
    oxidative stress
    flavonoids
    histology
    adverse effect
    Opis:
    Quercetin, a member of the flavonoid family is a major antioxidant acquired in humans by food consumption, while Cadmium fluoride (CdF2) is one of the naturally occurring chemicals having adverse effects. The protective effect of quercetin on time dependent oxidative damage induced in mice liver by CdF2 was studied in the following groups of mice consisting of six mice each: (i) control group; (ii) mice treated with single i.p injection of 2 mg/kg bw CdF2 for 24 h; (iii) mice treated with single i.p injection of 2 mg/kg bw CdF2 for 48 h; (iv) mice treated with single i.p injection of quercetin (100 mg/kg bw); (v) mice treated with i.p injection of 100 mg/kg bw of quercetin followed by i.p injection of CdF2 (2 mg/kg bw) for 24 h; and (vi) mice treated with i.p injection of 100mg/kg bw of quercetin followed by CdF2 (2 mg/kg bw) for 48 h. Administration of quercetin two hours before CdF2 significantly reduced the biochemical alterations in reduced glutathione, ascorbic acid, lipid peroxidation, super oxide dismutase, catalase and total protein (p<0.05). Histopathology also showed the protective effect of quercetin. The livers treated with CdF2 were atrophic, markedly nodular, inflamed and necrotic. However, this effect was reduced to a minimum in the mice pre-treated for two hours with quercetin.
    Źródło:
    Acta Biochimica Polonica; 2015, 62, 2; 207-213
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Are dietary supplements dangerous? Assessing how society perceives the usage of dietary supplements - results of the preliminary analysis of nationwide survey data
    Autorzy:
    Kardas, P.
    Dorozynski, J.
    Zdanowicz, P.
    Tyrna, D.
    Lis, P.
    Mroczka, M.
    Lewek, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1767.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Opolski. Instytut Nauk o Zdrowiu
    Tematy:
    human nutrition
    dietary supplement
    nutrient
    questionnaire method
    food safety
    adverse effect
    Opis:
    Background: Dietary supplements (DSs) are concentrated sources of nutrients and/or other substances, whose purpose is to supplement the normal diet. Their consumption in Poland has been on the rise, leading to numerous concerns. However, current legislation does not provide any background for a relevant pharmacovigilance system. Therefore, little is known about their adverse effects (AEs) or patterns of use in Poland. To shed some light on this, we conducted a nationwide survey. Aim of the study: To assess the prevalence of, and the reasons for, the use of dietary supplements in Poland via national survey with a collection and an analyse of supposed adverse effects of dietary supplements. Material and methods: The study was conducted using an online survey based on the original questionnaire. In this report, we present the results of the analysis of the first 200 responses. Results: As many as 55.5% (111) of respondents were ‘definitely sure’ or ‘rather sure’ about DSs safety. However, 70.5% (141) believed that they could have negative effects. Over 3/4 (153) of respondents used DSs themselves, and 61.0% (122) used them within last 12 months. Of those using DSs, 11.1% (17) reported diverse Aes, with GI tract irritation and mental disturbances being the most common (experienced by 35.3% (6), and 17.6% (3) of those reporting AE s, respectively). Conclusions: Respondents had mixed feelings about DS safety. Despite that, they used these products frequently. Of a note is high incidence of adverse effects experienced by DS users. This undoubtedly points to the need for a relevant pharmacovigilance system.
    Źródło:
    Medical Science Pulse; 2018, 12, 2
    2544-1558
    2544-1620
    Pojawia się w:
    Medical Science Pulse
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Efficiency of Pre-Treatment of Leachate from Municipal Waste Dumps by Gaseous Desorption (Stripping) of Ammonia
    Autorzy:
    Koc-Jurczyk, J.
    Jurczyk, Ł.
    Olszówka, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/123391.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    landfill leachate
    gaseous desorption of ammonia
    retardation of adverse environmental effect
    Opis:
    The paper studies the efficiency of pre-treatment of landfill leachate by gaseous desorption of ammonia. The research was done on a municipal non-hazardous waste dump in Krosno (Sub-Carpathian Province, Poland). The pretreatment provided a favorable BOD5/COD ratio in leachate. Also concentrations of 16 PAHs and heavy metals did not exceed the legal limits. However, gaseous desorption of ammonia was insufficiently efficient in recovering ammonia nitrogen from leachate.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 3; 125-132
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Alleviation of adverse effects of salt stress on lettuce (Lactuca sativa var. crispa) by application of vermicompost
    Autorzy:
    Kiran, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/12306521.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    Lactuca sativa var.crispa
    plant growth
    adverse effect
    salinity
    salt stress
    stress alleviation
    vermicompost
    organic matter
    Opis:
    In arid and semiarid regions, soil salinity causes the salt stress in plants and negatively affects the crop production. In this respect, organic farming practices are becoming the foreground as applications that are sensitive to the environment and support sustainability in agriculture. This study aimed to explain the role of vermicompost (VC) for reducing the effect of salt stress on lettuce (Lactuca sativa var. crispa) plant. The experiments were performed with different concentrations of VC (0, 2.5 and 5% VC on a weight per weight basis of soil-w/w) and salt stress treatments (4 and 8 dS m–1 NaCl levels). Under salt stress, shoot height, relative water content (RWC), stomatal conductance (gs), chlorophyll a (Chla) content decreased, while electrolyte leakage (EL), malondialdehyde (MDA) contents and superoxide dismutase (SOD) and catalase (CAT) activities significantly increased in parallel with the severity of the stress. In this study, VC under the salinity stress significantly increased the RWC, gs and Chla, Chlt and carotenoid contents in the leaf tissues; however, MDA and EL contents decreased and SOD and CAT activities increased compared to the controls. In all levels of NaCl, the 5% ratio of VC significantly reduced the negative effects of salinity.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 5; 153-160
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Design of Experiments for Statistically Predicting Risk of Adverse Health Effects on Drivers Exposed to Vertical Vibrations
    Autorzy:
    Ayari, H.
    Thomas, M.
    Dore, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/90147.pdf
    Data publikacji:
    2011
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    adverse health effect
    whole-body vibration
    spinal loading
    finite element analysis
    ageing
    design of experiments
    Opis:
    An injury risk factor (IRF), which indicates the risk of adverse health effect to lumbar rachis arising from mechanical vibrations, is developed. Experiments have been conducted that consider acceleration levels at the seat of drivers, posture, morphology, density, damping rate and body mass as independent variables. A parametric finite-element model of the lumbar rachis has been generated. It is shown that the IRF increases with ageing and an IRF of 30% is proposed as a threshold for fatigue purposes. This level is reached if a peak acceleration level greater than 3 m/s2 is applied to a light (55 kg) and an old driver with a low bone density and a damping rate of 20%. This vibration threshold must be reduced to 2.7 m/s2 if the driverʼs weight increases to 75 kg and to 2 m/s2 if the driver is heavy (98 kg).
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2011, 17, 3; 221-232
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mr Hoefner, Mr Elser, Please Welcome to Poland. Some Comments on the Polish Healthcare System Reform from the Perspective of State Aid Law
    Autorzy:
    Grzejdziak, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/530047.pdf
    Data publikacji:
    2011-11-30
    Wydawca:
    Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
    Tematy:
    Polska
    healthcare services
    hospital services
    state aid
    notion of state aid
    write-off of the debts of an undertaking
    notion of undertaking in the EU competition law
    public undertakings
    social solidarity
    cross-subsidization
    effect on trade between Member States
    adverse effect on competition
    notification of state aid
    services of general economic interest
    Opis:
    The purpose of this paper is to verify the hypothesis that a debt write-off implemented recently by Polish authorities in favour of public hospitals constitutes State aid within the meaning of Article 107(1) of the Treaty of the Functioning of the European Union. The paper contains a detailed description of the nature of the measure – its historical background, regulatory context, as well as its construction. It presents an in-depth analysis of the fulfilment by the measure of the conditions stipulated in Article 107(1) TFEU. As a preliminary issue, the analysis addresses the problem whether Polish public hospitals can be considered as undertakings within the meaning of EU competition law, particularly, as to their activity financed by the sickness fund organized under the principle of social solidarity. The answer to this question seems to be affirmative and in line with the landmark Hoefner and Elser judgments where the ECJ held that the way in which an entity is financed is irrelevant for its classification as an undertaking. The paper argues in favour of the thesis that the debt write-off must be considered as affecting trade between Member States and competition. Consequently, and contrary to the official position of the Polish government, the measure in question is classified as State aid.
    Le but de cet article est de vérifier l’hypothèse selon laquelle l’amortissement total des dettes effectué récemment par les autorités polonaises en faveur des hôpitaux publiques constitue une aide publique au sens de l’Article 107(1) TFUE. L’article contient une description détaillée de la nature de cette mesure – son histoire, contexte législatif aussi que sa construction. Il présent une analyse profonde de l’accomplissement par cette mesure des conditions indiquées par l’Article 107(1) TFUE. Comme question préliminaire, l’analyse a pour objectif de vérifier si les hôpitaux publiques polonais peuvent être considérés comme entreprises au sens de la loi de concurrence de l’EU par rapport à son activité financée par le fonds de maladie organisé en accord avec le príncipe de la solidarité sociale.
    Źródło:
    Yearbook of Antitrust and Regulatory Studies; 2011, 4(5); 85-109
    1689-9024
    2545-0115
    Pojawia się w:
    Yearbook of Antitrust and Regulatory Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uwagi w związku z koniecznością zmiany polskiego rozporządzenia wykonawczego o barwnikach żywnościowych
    Zamechanija otnositel'no neobkhodimogo izmenenija pol'skogo ispolnitel'nogo pasporjazhenija kasajushhegosja anilinovykh krasok v pishhevykh produktakh
    Remarks in connection with the necessity of changing the Polish executive regulations on dyes of foodstuffs
    Autorzy:
    Siedlecka, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/873848.pdf
    Data publikacji:
    1957
    Wydawca:
    Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
    Tematy:
    barwniki spozywcze
    konserwanty
    dzialania niepozadane
    dzialanie rakotworcze
    dzialanie szkodliwe
    barwniki ksantenowe
    barwniki azowe
    dodatki dopuszczalne
    barwniki dozwolone
    wykaz
    food colorant
    preservative
    adverse reaction
    carcinogenic activity
    harmful effect
    xanthene dye
    azo dye
    acceptable additive
    Źródło:
    Roczniki Państwowego Zakładu Higieny; 1957, 08, 3
    0035-7715
    Pojawia się w:
    Roczniki Państwowego Zakładu Higieny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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