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Wyświetlanie 1-15 z 32
Tytuł:
Uncovering the effects of COVID-19 on in-hospital cardiac arrest – a living systematic review and meta-analysis
Autorzy:
Bielski, K.
Pruc, M.
Rafique, Z.
Peacock, F.W.
Chmielewski, J.
Panasiuk, L.
Szarpak, L.
Bragazzi, N.L.
Chojnowska-Ćwiąkała, I.
Powiązania:
https://bibliotekanauki.pl/articles/28763041.pdf
Data publikacji:
2023
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2023, 30, 3; 498-504
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the type of layered distribution of rubber recyclate as an additive modifying the mechanical properties of epoxy-glass composites
Autorzy:
Abramczyk, N.
Żuk, D.
Panasiuk, K.
Dyl, T.
Powiązania:
https://bibliotekanauki.pl/articles/24200603.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
epoxy-glass composites
recycling
rubber recyclate
static tensile test
modification
kompozyty epoksydowo-szklane
recykling
recyklat gumowy
statyczna próba rozciągania
modyfikacja
Opis:
Purpose: The research aimed to determine the effect of adding rubber recyclate as a sandwich layer of sandwich composites made based on glass mat and epoxy resin EPO 652. Design/methodology/approach: Four types of research materials with a 5% addition of rubber recyclate and with different ways of layer distribution in the composite and one variant without the addition of recyclate as a comparative material were produced for the study. Samples made of the materials in question were subjected to a static tensile test to determine the changes in strength parameters caused by the addition and distribution of the modifier. Findings: Four types of research materials with a 5% addition of rubber recyclate and with different ways of layer distribution in the composite and one variant without the addition of recyclate as a comparative material were produced for the study. Samples made of the materials in question were subjected to a static tensile test to determine the changes in strength parameters caused by the addition and distribution of the modifier. Research limitations/implications: As a result of the conducted research, the fundamental influence of the recyclate additive and its distribution method on the changes in parameters recorded during the static tensile test was clearly found. Practical implications: The analyses carried out enable the selection of the optimal material variant depending on the intended application. Originality/value: The analysis of the preliminary results obtained during the research showed that epoxy-glass composites based on EPO 652 resin with the addition of rubber recyclate in the form of two and three sandwich layers have better strength parameters than the composite with random addition of recyclate to the matrix. The material characterized by the highest plasticity is a variant with two layers of recyclate spacers. At the same time, it can be stated that the highest values of relative deformation ε obtained a composite with one sandwich layer of rubber recyclate.
Źródło:
Archives of Materials Science and Engineering; 2022, 118, 2; 61--66
1897-2764
Pojawia się w:
Archives of Materials Science and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prevalence of target organ damage in hypertensive patients with coexisting obstructive sleep apnea
Autorzy:
Myśliński, W.
Szwed, M.
Szwed, J.
Panasiuk, L.
Brożyna-Tkaczyk, K.
Borysowicz, M.
Mosiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/28761829.pdf
Data publikacji:
2022
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2022, 29, 2; 294-299
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A 56-year-old man with RT-PCR negative nasopharyngeal swabs with Coronavirus Disease 2019 (COVID-19) Pneumonia
Autorzy:
Dworzańska, A.
Tudrujek-Zdunek, M.
Mosiewicz, J.
Panasiuk, L.
Tomasiewicz, K.
Powiązania:
https://bibliotekanauki.pl/articles/2085530.pdf
Data publikacji:
2020
Wydawca:
Instytut Medycyny Wsi
Tematy:
RT-PCR
pneumonia
Covid-19
Coronavirus Disease 2019
chest computed tomography
real-time-reverse transcription-polymerase chain-reaction
Opis:
Introduction. Diagnostic procedure in Coronavirus Disease 2019 (COVID-19) is based mainly on performing real-time-reverse transcription-polymerase chain-reaction (RT-PCR), which has been accepted as the gold standard method. In some cases, such as mutations of the SARS-CoV-2 genome, variable viral load kinetics or laboratory errors, it can be false-negative. Case report. The case is presented of a 56-year-old man with respiratory tract symptoms, with twice negative results of real-time-reverse transcription-polymerase chain-reaction of nasopharyngeal swabs and positive chest computed tomography, with typical findings for COVID-19 pneumonia. Conclusions. Patients with negative RT-PCR results, but with positive computed tomography findings characteristic for COVID-19, should be treated as well as those infected.
Źródło:
Annals of Agricultural and Environmental Medicine; 2020, 27, 2; 317-318
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prevalence and selected determinants of the risk of problem gambling among Polish secondary school students
Autorzy:
Niewiadomska, I.
Panasiuk, L.
Chwaszcz, J.
Furtak-Niczyporuk, M.
Dreher, P.
Zygo, K.
Jaroszyński, J.
Mela, A.
Powiązania:
https://bibliotekanauki.pl/articles/28762887.pdf
Data publikacji:
2020
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2020, 27, 4; 650-656
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vertical transmission of anti-ASFV antibodies as one of potential causes of seropositive results among young wild boar population in Poland
Autorzy:
Walczak, M.
Frant, M.
Juszkiewicz, M.
Mazur-Panasiuk, N.
Szymankiewicz, K.
Bruczyńska, M.
Woźniakowski, G.
Powiązania:
https://bibliotekanauki.pl/articles/2087367.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Polska
African swine fever
ASF
immunoglobulins
antibodies
seropositive
wild boar
surveillance
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 1; 21-25
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Air pollution: how many cigarettes does each Pole ‘smoke’ every year and how does it influence health, with special respect to lung cancer?
Autorzy:
Chudzik, R.
Rybojad, P.
Jarosz-Chudzik, K.
Sawicki, M.
Rybojad, B.
Panasiuk, L.
Powiązania:
https://bibliotekanauki.pl/articles/2085106.pdf
Data publikacji:
2019
Wydawca:
Instytut Medycyny Wsi
Tematy:
lung cancer
PM2.5
air pollution
nitrogen dioxide
PM10
Opis:
Introduction. Air pollution is one of the most important issues of our times. Air quality assessment is based on the measurement of the concentration of substances formed during the combustion process and micro-particles suspended in the air in the form of an aerosol. Microscopic atmospheric particulate matters (PM) 2.5 and 10 are mixtures of organic and inorganic pollutants smaller than 2.5 and 10 μm, respectively. They are the main cause of negative phenomena in the earth’s atmosphere of Earth and human health, especially on the respiratory and cardiovascular systems. Particulates have the ability to cause permanent mutations of tissue, leading to neoplasms and even premature deaths. Nitrogen dioxide (NO2) is one of the main pollutants which arises mainly during the burning of fossil fuels. Based on numerous scientific researches, it has been proved that long-term exposure to NO2 could increase morbidity of cancer due to inflammatory processes increasing abnormal mutations. Materials and method. Data available in the Polish National Cancer Registry, Chief Inspectorate for Environmental Protection and Map of Health Needs in the Field of Oncology for Poland, WHO Air Quality Guidelines 2005 were analyzed. Air pollution was also evaluated: PM2.5, PM10, NO2, and compared with lung cancer morbidity. Results and conclusions. Based on the available data and literature, it can be concluded that in 2009–2017, on average, each Pole smoked ten cigarettes a day +/- 2. Therefore, it can be estimated that after 60 years everyone had 30 package-years of smoking, leading to a high risk of lung cancer and other smoking related diseases. Additionally air quality in Poland is not satisfactory, exceeding the standards presented in the WHO Guidelines 2005. It can be assumed that this may translate into an additional, independent continuous increase in morbidity and mortality dependent on smoking.
Źródło:
Annals of Agricultural and Environmental Medicine; 2019, 26, 4; 566-571
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antagonistic interaction of lacosamide with carbamazepine and valproate in the mouse tonic-clonic seizure model
Antagonistyczna interakcja lakozamidu z karbamazepiną i walproainianem w modelu drgawek toniczno-klonicznych u myszy
Autorzy:
Kondrat-Wróbel, M.W.
Załuska, K.
Walczak, A.
Panasiuk-Poterek, A.N.
Gut-Lepiech, A.
Wróblewska-Łuczka, P.
Łuszczki, J.J.
Powiązania:
https://bibliotekanauki.pl/articles/2053463.pdf
Data publikacji:
2019
Wydawca:
Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
Tematy:
antiepileptic drugs
isobolography
maximal electroshock
three-drug combination
antagonism
leki przeciwpadaczkowe
izobolografia
elektrowstrząsy
kombinacja trzech leków
antagonizm
Opis:
Background. It is estimated that approximately 1% of people worldwide suffer from epilepsy. Currently available antiepileptic drugs (AEDs) are able to control epileptic seizures in about 70% of cases. In the remaining patients (30%), the application of two or three AEDs in combination is necessary for effective seizure management. The goal of this work was to characterize the interaction of three AEDs: lacosamide (LCM), carbamazepine (CBZ) and valproate (VPA) at the fixed-ratio of 1:1:1 in the mouse tonic-clonic seizure model. Material and methods. Male albino Swiss mice, after receiving a combination of LCM, CBZ and VPA, were challenged with electric current to evoke tonic hind limb extension (seizure activity). Protection of the mice from tonic-clonic seizures was assessed by isobolographic analysis to determine the type of interaction occurring between these drugs. Results. Type I isobolographic analysis revealed that the combination of LCM, CBZ and VPA produced infra-additive (antagonistic) interaction in the mouse tonic-clonic seizure model. Conclusions. Since the three-drug mixture of LCM, CBZ a nd VPA exerted an antagonistic interaction in the tonic-clonic seizure test in mice, we would caution physicians against treating epilepsy patients with this unfavorable combination.
Wprowadzenie. Szacuje się, że około 1% osób na całym świecie cierpi na padaczkę. Obecnie dostępne leki przeciwpadaczkowe pozwalają na opanowanie napadów padaczkowych w około 70% przypadków. U pozostałych pacjentów z padaczką (30%) konieczne jest zastosowanie dwóch lub trzech leków przeciwpadaczkowych w kombinacji. Celem pracy było scharakteryzowanie interakcji między trzema lekami przeciwpadaczkowymi: lakozamidem (LCM), karbamazepiną (CBZ) i walproinianem (VPA) w stałym stosunku dawek 1:1:1 w modelu drgawek toniczno-klonicznych u myszy. Materiał i metody. Samce myszy albino Swiss, po otrzymaniu kombinacji LCM, CBZ i VPA, poddano działaniu prądu elektrycznego, aby wywołać toniczny wyprost kończyn tylnych (aktywność drgawkową). Ochronę myszy przed napadami toniczno-klonicznymi oszacowano za pomocą analizy izobolograficznej, aby określić typ interakcji zachodzącej między tymi lekami. Wyniki. Analiza izobolograficzna typu I ujawniła, że kombinacja LCM, CBZ i VPA powodowała oddziaływanie infra-addytywne (antagonistyczne) w modelu drgawek toniczno-klonicznych u myszy. Wnioski. Ponieważ trójlekowa mieszanina LCM, CBZ i VPA wywierała antagonistyczną interakcję w teście napadów toniczno-klonicznych u myszy, specjalne ostrzeżenie jest konieczne dla lekarzy, aby nie leczyć pacjentów z padaczką tą niekorzystną kombinacją.
Źródło:
Health Problems of Civilization; 2019, 13, 1; 92-98
2353-6942
2354-0265
Pojawia się w:
Health Problems of Civilization
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of ionizing radiation on the female reproductive system
Autorzy:
Skrzypek, M.
Wdowiak, A.
Panasiuk, L.
Stec, M.
Szczygieł, K.
Zybała, M.
Filip, M.
Powiązania:
https://bibliotekanauki.pl/articles/2085209.pdf
Data publikacji:
2019
Wydawca:
Instytut Medycyny Wsi
Tematy:
infertility
ionizing radiation
female reproductive health
gonadotoxic action
Opis:
Introduction and objective. The tendency towards postponement of maternity implies a greater exposure of female germ cells to damaging environmental effects, including ionizing radiation (IR). Progress in paediatric oncology, based on the use of radiotherapy, also implies the occurrence of gonadal dysfunctions and subsequent female fertility disorders. Therefore, it seems justifiable to systematize the state of knowledge concerning the effect of IR on the female reproductive system. Brief description of the state of knowledge. A considerable part of studies concerning the effect of IR on female germ cells have been conducted on animals. Their extrapolation to humans is hindered because in animal studies high acute exposures are applied, which do not reflect human environmental exposures characterized by chronic low dose exposure. Studies on animals provide a heterogenous image, which hinders the formulation of unequivocal conclusions and indicates that radiosensitivity depends, i.a. on IR dose, stage of development of oocytes, the applied marker of the effects of IR, or on the species. LD50 of human oocytes is estimated to be below 2 Gy. The effect of IR depends, i.a. on the dose fractionation and the age (older women are more radiosensitive). In females, the effective sterilizing dose is: at birth 20.3 Gy, at 10 years 18.4 Gy, at 20 years 16.5 Gy, whereas at 30 years 14.3 Gy, which is associated with the available pool of ovarian follicles. Conclusions. Within the range of low doses received as a result of environmental exposure to IR, there is no evidence for the occurrence of either adverse pregnancy outcomes, nor fertility disorders in females. These effects may be related to the cancer radiotherapy, or exposure to high IR doses during nuclear accidents.
Źródło:
Annals of Agricultural and Environmental Medicine; 2019, 26, 4; 606-616
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Level of vitamin 25 (OH) D and B group vitamins and functional efficiency among the chronically ill elderly in domiciliary care - a pilot study
Autorzy:
Kocka, K.H.
Ślusarska, B.J.
Nowicki, G.J.
Bartoszek, A.B.
Rudnicka-Drożak, E.A.
Panasiuk, L.
Kocki, T.
Powiązania:
https://bibliotekanauki.pl/articles/2085032.pdf
Data publikacji:
2019
Wydawca:
Instytut Medycyny Wsi
Tematy:
vitamin D3
vitamin B12
folic acid
elderly
long-term home care
Opis:
Introduction and objective. Deficits of vitamin resources constitute a significant public health problem, especially among the elderly population. The aim of the research was to determine the level of vitamin 25 (OH) D and vitamins from group B in the chronically ill elderly in domiciliary care, depending on functional capacity and coexisting diseases. Materials and method. The pilot study included 137 patients staying in long-term domiciliary care. Samples of the participants’ venous blood was obtained for laboratory tests. Centrifuged serum was used to determine the level of the following biochemical parameters: vitamin 25 (OH)D, B12, folic acid and total protein, albumin, triglycerides, total cholesterol and HDL cholesterol. Assessment of the functional status of patients was made by using the Barthel scale. Results. More than 3⁄4 of the patients with functional deficit (according to Barthel’s score 0–85 points) were deficient in vitamin 25 (OH)D, while folic acid values were below the reference values in more than half of the patients. Respondents with lower functional efficiency were characterised by a reduced average value of vitamin 25 (OH)D and folic acid. Conclusions. The studied group of the chronically ill elderly was characterised by a deficiency of vitamin D3 and folic acid. Subjects with a functional impairment deficit show a reduced mean value of vitamin 25 (OH)D and folic acid in the blood serum, compared to the group of patients with higher mobility.
Źródło:
Annals of Agricultural and Environmental Medicine; 2019, 26, 3; 489-495
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Afamin and adropin in patients with alcohol-induced liver cirrhosis
Autorzy:
Prystupa, A.
Kiciński, P.
Luchowska-Kocot, D.
Sak, J.
Prystupa, T.
Chen, K.-H.
Chen, Y.-H.
Panasiuk, L.
Załuska, W.
Powiązania:
https://bibliotekanauki.pl/articles/2081906.pdf
Data publikacji:
2018
Wydawca:
Instytut Medycyny Wsi
Tematy:
alcoholic liver cirrhosis
Adropin
Child-Pugh score
afamin
Opis:
The aim of the study was to determine serum concentrations of afamin and adropin in patients with alcoholic liver cirrhosis and to define their correlation with the stage of disease. The study included 99 patients with alcoholic cirrhosis from the region of Lublin, (Eastern Poland). Liver cirrhosis was diagnosed based on clinical features, history of heavy alcohol consumption, laboratory tests and abdominal ultrasonography. The control group consisted of 20 healthy individuals without liver disease who did not abuse alcohol. The serum afamin and adropin concentrations were determined using ELISA kits. The concentration of afamin was found to be significantly lower in patients with compensated alcoholic liver cirrhosis, i.e. P-Ch B (85.1±40.6 μg/ml) and P-Ch C (56.4±32.3 μg/ml) individuals, compared to the control group (135.9±43.6 μg/ml); p-value was <0.01 and <0.001, respectively. As far as adropin is concerned, a reverse relationship was demonstrated: the highest concentration was found in patients with P-Ch C (11.7±5.7 ng/ml) cirrhosis. Furthermore, the above concentration was significantly higher compared to patients with P-Ch A cirrhosis (7.2±2.8 ng/ml; p<0.05) and controls (7.5±2.6 ng/ml; p<0.05). The concentration of afamin decreases with the severity of alcoholic liver cirrhosis, which most likely results from impaired hepatic synthesis. Otherwise, the higher the stage of disease according to the Child-Pugh score, the higher the concentration of adropin.
Źródło:
Annals of Agricultural and Environmental Medicine; 2018, 25, 3; 527-531
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of technologies for producing composites with polyester-glass recyclate
Analiza technologii wytwarzania kompozytów z recyklatem poliestrowo-szklanym
Autorzy:
Panasiuk, K.
Powiązania:
https://bibliotekanauki.pl/articles/222474.pdf
Data publikacji:
2018
Wydawca:
Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
Tematy:
composites
manual lamination
vacuum bag method
vacuum infusion
kompozyty
laminowanie ręczne
metoda worka próżniowego
infuzja próżniowa
Opis:
The aim of the article was to present selected methods for the production of layered composites in the aspect of the additive in the form of polyester-glass recyclate. The polyester-glass recyclate was obtained from the original composite material from which the ship’s hull was made in Poland in the 1980s. The article presents the technology of processing polyester-glass waste in order to obtain recyclate. The methods of manual lamination, vacuum bag method and vacuum infusion were described successively. The advantages and disadvantages of particular technologies have been presented in terms of the possibility of their use in the production of polyester-glass recycled composites. From the described and verified technologies, the vacuum bag method can be the most advantageous for composites with recyclate.
Celem artykułu było przedstawienie wybranych metod wytwarzania kompozytów warstwowych z dodatkiem recyklatu poliestrowo-szklanego. Recyklat poliestrowo-szklany został otrzymany z oryginalnego materiału kompozytowego, z którego wykonany jest kadłub statku wyprodukowanego w Polsce w latach osiemdziesiątych XX wieku. Przedstawiono technologię przetwarzania odpadów poliestrowo-szklanych w celu otrzymania recyklatu. Opisano kolejno metody laminowania ręcznego, metodą worka próżniowego oraz infuzji próżniowej na podstawie własnych badań. Scharakteryzowano zalety oraz wady poszczególnych technologii pod kątem kompozytów z recyklatem poliestrowo-szklanym. Z opisanych i zweryfikowanych technologii najkorzystniejsza dla kompozytów z recyklatem wydaje się metoda worka próżniowego.
Źródło:
Zeszyty Naukowe Akademii Marynarki Wojennej; 2018, R. 59 nr 3 (214), 3 (214); 63-73
0860-889X
Pojawia się w:
Zeszyty Naukowe Akademii Marynarki Wojennej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aspekty prawne transplantacji narządów w medycynie człowieka oraz medycynie weterynaryjnej
Legal aspects of organs transplantation in human medicine and veterinary medicine
Autorzy:
Listos, P.
Panasiuk-Flak, K.
Powiązania:
https://bibliotekanauki.pl/articles/858653.pdf
Data publikacji:
2018
Wydawca:
Krajowa Izba Lekarsko-Weterynaryjna
Tematy:
medycyna
weterynaria
transplantologia
czlowiek
zwierzeta
przeszczepianie narzadow
ksenotransplantacje
prawo
aspekty prawne
Źródło:
Życie Weterynaryjne; 2018, 93, 03
0137-6810
Pojawia się w:
Życie Weterynaryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Factors influencing serum chemerin and kallistatin concentrations in patients with alcohol-induced liver cirrhosis
Autorzy:
Prystupa, A.
Kiciński, P.
Luchowska-Kocot, D.
Sak, J.
Prystupa, T.K.
Tan, Y.-H.
Panasiuk, L.
Załuska, W.
Powiązania:
https://bibliotekanauki.pl/articles/2082078.pdf
Data publikacji:
2018
Wydawca:
Instytut Medycyny Wsi
Tematy:
alcohol-induced liver cirrhosis
chemerin
kallistatin
Opis:
Introduction. In Poland, an increasing number of patients are hospitalized due to liver diseases. One of the common liver diseases is cirrhosis, which can be caused by alcohol, viral hepatitis, autoimmune processes and metabolic diseases. Materials and method. The study included 99 patients with alcoholic cirrhosis from the Lublin region of Eastern Poland. The control group consisted of 20 healthy individuals without liver disease who did not abuse alcohol. The concentrations of serum kallistatin and chemerin were determined using ELISA kits. Objective. The aim of the study is to evaluate serum levels of kallistatin and chemerin in patients with different stages of alcoholic liver cirrhosis. Results. The highest chemerin level was found in the control group – 182.6±80.4 ng/ml. In other stages of liver cirrhosis, the following levels were observed: 175.7±62.7 ng/ml in Child-Pugh stage A (Ch-P A), 150.2±59.7 ng/ml in Ch-P B and 110.3±73.6 ng/ml in Ch-P C. Significant differences in chemerin levels between controls and Ch-P C patients (p=0.01), as well as between the Ch-P A patients and Ch-P C patients (p=0.02), were demonstrated. The highest kallistatin level was demonstrated in the control group – 8.2±3.5 μg/ml. In other stages of liver cirrhosis, the following concentrations were found: 7.2±27 μg/ml in Ch-P A, 4.4±2.2 μg/ml in Ch-P B and 3.5±1.9 μg/ml in Ch-P C (Tab. 3). Statistically significant differences were observed between controls and Ch-P B patients (p<0.001), controls and Ch-P C patients (p<0.001), Ch-P A and Ch-P B patients (p=0.01), as well as Ch-P A and Ch-P C patients (<0.001). Conclusions. The levels of chemerin and kallistatin decrease with progression of liver damage during alcoholic liver cirrhosis. The impairment of its synthetic function leads to reductions in levels of the adipokines studied.
Źródło:
Annals of Agricultural and Environmental Medicine; 2019, 26, 1; 143-147
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the content of a glass-polyester recycled additive on the properties of layered composites in dynamic tests
Autorzy:
Panasiuk, K.
Hajdukiewicz, G.
Powiązania:
https://bibliotekanauki.pl/articles/135154.pdf
Data publikacji:
2018
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
polyester-glass waste
recyclate
new composites
new materials
hand laminating
toughness
Opis:
Polyester-glass composites are widely used in many industries, in various types of constructions, including dynamically loaded ones. This article examines the influence of the content of a glass-polyester recycled additive on the strength properties of layered composites. The recyclate was polyester-glass waste, which was pre-crushed and then milled into the appropriate fractions. Manual laminating technology was used to make the materials. The composite materials were made with a waste content of 0%, 10%, 20% and granulations of ≥ 1.2 mm and ≥ 3 mm. Samples for testing were prepared in accordance with the PN-EN ISO 179-1: 2010E standard (Plastics – Charpy Impact Assessment – Part 1: Non-instrumental impact test). Impact tests of the samples were performed using the Charpy method with the Zwick Roell RKP450 swinging hammer. The test results showed that the addition of polyester-glass recyclate, its content %, and its granulation size, have an impact on the composite resistance to loads in dynamic tests.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2018, 56 (128); 36-40
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 32

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