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    Wyświetlanie 1-14 z 14
    Tytuł:
    Sleep disturbance and disease activity in adult patients with inflammatory bowel diseases
    Autorzy:
    Sobolewska-Wlodarczyk, A.
    Wlodarczyk, M.
    Banasik, J.
    Gasiorowska, A.
    Wisniewska-Jarosinska, M.
    Fichna, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/70043.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Fizjologiczne
    Tematy:
    sleep disturbance
    inflammatory bowel disease
    Crohn's disease
    ulcerative colitis
    disease activity
    inflammatory disease
    patient
    Źródło:
    Journal of Physiology and Pharmacology; 2018, 69, 3
    0867-5910
    Pojawia się w:
    Journal of Physiology and Pharmacology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal analysis of matrix composite reinforced with Al2O3 particles
    Autorzy:
    Włodarczyk-Fligier, A.
    Polok-Rubiniec, M.
    Konieczny, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/366965.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    matrix composites
    differential scanning calorimetry
    plastometric tests
    abrasion resistance
    materiały metaliczne
    skaningowa kalorymetria różnicowa
    DSC
    badania plastometryczne
    odporność na ścieranie
    Opis:
    Purpose: The aim of this paper is to present a modern manufacturing method of production and compare the thermal, mechanical, properties of composite materials with aluminium alloy matrix reinforced by Al2O3 particles. Design/methodology/approach: The material for investigation was manufactured by the method of powder metallurgy (consolidation, pressing, hot concurrent extrusion of powder mixtures of aluminium EN AW-AlCu4Mg1 (A) and ceramic particles Al2O3). The amount of the added powder was in the range of 5 mass.%, 10 mass.% and 15 mass.%. Findings: The received results concerning the enhancement of hardness, which show the possibility of obtaining the MMC composite materials with required microstructure, influencing the properties of the new elaborated composite materials components. Concerning the thermal properties, especially the linear thermal expansion coefficient was measured, as well as the dilatometric change of the sample length was analysed. Practical implications: Concerning practical implications it can be stated that the tested composite materials can be applied among others in the transportation industry, but it requires additional research. Originality/value: The received results show the possibility of obtaining new composite materials with controlled and required microstructure with possible practical implications.
    Źródło:
    Journal of Achievements in Materials and Manufacturing Engineering; 2020, 100, 1; 5-11
    1734-8412
    Pojawia się w:
    Journal of Achievements in Materials and Manufacturing Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Monitoring of the Noise Emitted by Machine Tools in Industrial Conditions
    Autorzy:
    Józwik, J.
    Wac-Włodarczyk, A.
    Michałowska, J.
    Kłoczko, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/123074.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    noise monitoring
    measurement
    sound pressure
    CNC machine tools
    Opis:
    The paper presents an analysis of noise emitted by selected machine tools in a production hall (under industrial conditions). Noise monitoring is a fundamental task for maintaining workplaces which are safe and healthy. This paper presents the noise measurements obtained for several machine tools, performed in accordance with the PN ISO 230–5:2002 standard. The identification of noise sources and levels was conducted by means of the UNIT 352 measurement system for DMU 50, BGO-CNC/RV/R, FU 251, FW 801, FWC 25/H. Detection of noise sources in the tested machine tools allows to maintain safety of workers and effective means of noise reduction, which are highly significant from the perspective of minimising noise at various workstations. The method of performing noise measurements at workstations using specific machines is normalised, so that the results of such measurements for different machines could be compared. The test results were presented in the form of diagrams and tables. The results of the tests are concluded by a detailed recommendation for the CNC machine tool operators to use hearing protection when at work. The results showed that the level of noise at the operator’s workstation significantly exceeds the standard at certain machining parameters.
    Źródło:
    Journal of Ecological Engineering; 2018, 19, 1; 83-93
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microstructure and service properties of copper alloys
    Autorzy:
    Polok-Rubiniec, M.
    Konieczny, J.
    Labisz, A.
    Włodarczyk-Fligier, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/354788.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    alloyed copper
    heat treatment
    cold rolling
    wear resistance
    hardness
    Opis:
    This elaboration shows the effect of combined heat treatment and cold working on the structure and utility properties of alloyed copper. As the test material, alloyed copper CuTi4 was employed. The samples were subjected to treatment according to the following schema: 1st variant - supersaturation and ageing, 2nd variant - supersaturation, cold rolling and ageing. The paper presents the results of inicrostructure, hardness, and abrasion resistance. The analysis of the wipe profile geometry was realized using a Zeiss LSM 5 Exciter confocal microscope. Cold working of the supersaturated solid solution affects significantly its hardness but the cold plastic deformation causes deterioration of the wear resistance of the finally aged CuTi4 alloy.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 3; 1277-1282
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pentacyclic triterpenoids and polyphenols accumulation in cell suspension culture of Chaenomeles japonica (Thunb.) Lindl. ex Spach
    Autorzy:
    Kikowska, M.
    Wlodarczyk, A.
    Stochmal, A.
    Zuchowski, J.
    Thiem, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/71498.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Włókien Naturalnych i Roślin Zielarskich
    Tematy:
    pentacyclic triterpenoid
    triterpenoid
    polyphenol
    accumulation
    cell suspension
    callus
    Chaenomeles japonica
    Japanese quince
    chlorogenic acid
    ursolic acid
    oleanolic acid
    Opis:
    Introduction: Callus and cell suspension cultures are widely applied in investigation of production of highvalue secondary metabolites, which may be used as cosmeceuticals, nutraceuticals and pharmaceuticals. Plant cell cultures are promising alternative to intact plant sources for the production of plant-derived drugs of industrial importance. Objective: The aim of the study was to (i) initiate the cell suspension culture of Chaenomeles japonica from homogenous and uniform callus, (ii) stabilize the selected line and (iii) verify its ability to produce the desired groups of secondary metabolites – pentacyclic triterpenoids and polyphenols. Methods: To establish a cell suspension culture, stabilized and homogeneous callus was selected. Cell cultures were systematically passaged every 2 weeks to fresh liquid medium with the same composition. Biomass from cultures at the growth phase and stationary phase was designated for phytochemical research. UHPLC-DAD-MS analyzes were performed. At the same time, their macroscopic and microscopic observations were carried out. Results: Cells of suspension culture line A2 were characterized by the intense divisions. Cell culture extracts (both from the growth phase and stationary phase) contained pentacyclic triterpenoids. In addition, phenolic compounds (chlorogenic acid and proanthocyanidins type B) and in a small amount also epicatechin are present in the extract of the cells harvested from the growth phase. In the present studies, three pentacyclic triterpenoids were detected and quantified in the extracts of cell suspensions and callus line A2. Ursolic and oleanolic acids were the main triterpenoids in the studied extracts. The cell suspension culture from the growth phase exhibited the highest content of ursolic, oleanolic, and betulinic acid (separately and together). Conclusion: The cell suspension culture of Chaenomeles japonica is a promising source of pentacyclic triterpenoids.
    Źródło:
    Herba Polonica; 2019, 65, 1
    0018-0599
    Pojawia się w:
    Herba Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of microarrays and MLPA for integrating diagnostics and personalizing treatment – Case report of a patient with Ph-like acute B-cell lymphoblastic leukemia
    Autorzy:
    Lejman, M.
    Włodarczyk, M.
    Zaucha-Prażmo, A.
    Zawitkowska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/28762983.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2020, 27, 4; 713-716
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The first report on characterisation of partially covered self-expandable metallic stents in esophageal cancer treatment: in vivo degradation
    Autorzy:
    Gołda-Cępa, M.
    Włodarczyk, J.
    Kużdżał, J.
    Chytrosz, P.
    Kotarba, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/284546.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    metallic stents
    esophageal stents
    biodegradation
    Źródło:
    Engineering of Biomaterials; 2017, 20, no. 143 spec. iss.; 22
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of anodization process for cast aluminium surface properties enhancement
    Autorzy:
    Włodarczyk-Fligier, A.
    Labisz, K.
    Polok-Rubiniec, M.
    Konieczny, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/356461.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    surface treatment
    aluminium alloys
    ceramic materials
    composites
    corrosion resistance
    Opis:
    An huge interest is observed in last years in metal matrix composite, mostly light metal based, which have found their applications in many industry branches, among others in the aircraft industry, automotive-, and armaments ones, as well as in electrical engineering and electronics, where one of the most important issue is related to the corrosion resistance, especially on the surface layer of the used aluminium alloys. This elaboration presents the influence of ceramic phase on the corrosion resistance, quality of the surface layer its thickness and structure of an anodic layer formed on aluminium alloys. As test materials it was applied the aluminium alloys Al-Si-Cu and Al-Cu-Mg, for which heat treatment processes and corrosion tests were carried out. It was presented herein grindability test results and metallographic examination, as well. Hardness of the treated alloys with those ones subjected to corrosion process were compared.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 3; 1351-1356
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of aluminium alloy anodizing and casting methods on structure and functional properties
    Autorzy:
    Konieczny, J.
    Labisz, K.
    Polok-Rubiniec, M.
    Włodarczyk-Fligier, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/353080.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    anodization
    surface treatment
    alumina
    Al2O3
    aluminium alloys
    wear resitance
    Opis:
    This paper presents the influence of casting method and anodic treatment parameters on thickness and structure of an anodic layer formed on aluminium alloys. As test materials was used the aluminium alloy AlSi9Cu3, which was adopted to the casting process and anodic treatment. In this paper are presented the wear test results and metallographic examination, aswell as hardness of non-anodised and anodised alloys subjected to anodising process.The investigations were performed using light and electron microscopy (AFM) for the microstructure determination. The morphology and size of the layer was also possible to determine. The anodising conditions for surface hardening and itsinfluence on properties was analysed. The structure of the surface laser tray changes in a way, that there is a different thicknessof the produced layer. The aluminium samples were examined in terms of metallography using the optical microscope withdifferent image techniques as well as light microscope. Improving the anodization technology with appliance of differentanodising conditions. Some other investigation should be performed in the future, but the knowledge found in this researchconcerning the proper process parameters for each type of alloy shows an interesting investigation direction. The combinationof metallographic investigation for cast aluminium alloys - including electron microscope investigation - and anodisingparameters makes the investigation very attractive for automobile industry, aviation industry, and others, where aluminium alloys plays an important role.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 3; 1337-1342
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of antiamoebic and antimicrobial activities in vitro of Chaenomeles japonica (Thunb.) Lindl. ex Spach extracts
    Autorzy:
    Klikowska, M.
    Derda, M.
    Thiem, B.
    Wlodarczyk, A.
    Dlugaszewska, J.
    Stochmal, A.
    Zuchowski, J.
    Hadas, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/2117842.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    Acanthamoeba spp.
    chaenomeles japonica
    pentacyclic terpenoids
    plant extracts
    plant
    in vitro cultures
    polyphenols
    staphylococcus aureus
    Opis:
    The free-living Acanthamoeba sp. causes various diseases. Treatment of them is very difficult and not always effective because of encystation, making it highly resistant to antiamoebic drugs. Gram-positive bacteria staphylococcus aureus, Gram-negative bacteria Escherichia coli, and an yeast candida albicans also exhibit outstanding resistance to antimicrobial substances. The search for new natural amoebicidal and antimicrobial agents of plant origin is still of current interest. The aim of the study was to investigate the amoebicidal activity of the extracts obtained from tissue culture and a field-grown plant of chaenomeles japonica against pathogenic trophozoites of Acanthamoeba spp. and antimicrobial effect against s. aureus, E. coli, and c. albicans. The extracts of c. japonica had an inhibitory effect on the proliferation of Acanthamoeba trophozoites as compared to the non-treated control. among the crude extracts tested, the extract of leaves, from both shoot culture and the field-grown plant had remarkable amoebicidal action against the trophozoites but also antibacterial activity against Gram-positive bacteria staphylococcus aureus. The extract from leaves from shoot culture, already on the second and third days of treatment, showed an antiamoebicidal effect at a concentration of 1 mg ml-1 (inhibi- tion of trophozoites 87.5% and 91.8%, respectively). In addition to leaves from shoot culture (a conc. 5 mg ml-1, 2nd day inhibition of trophozoites 85.7% and 3rd day 97.2%), leaves from a field-grown plant (a conc. 5 mg ml-1, 2nd day 91.0% and 3rd day 94.4%) and callus (a conc. 5 mg ml-1, 2nd day 90.0% and 3rd day – 95.4%) also exhib- ited a good antiamoebicidal activity. Out of the four extracts, the extracts from leaves from both shoot culture and a field-grown plant were reported to be the most active against Gram-positive s. aureus, which was determined by the values of MIC = 5.0 mg ml-1 and MIC = 2.5 mg ml-1, respectively. The inhibitory potential depends on the yield and composition of mainly bioactive compounds: pentacyclic terpenoids (mainly betulinic, ursolic, and oleanolic acids) and polyphenols (mainly chlorogenic acid and its isomers, epicatechin, dimeric, and trimeric proanthocyanidins, quercetin and kaempferol derivatives).
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2019, 61, 2; 47-58
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Drug - eluting bioresorbable vascular stents manufactured by microinjection moulding
    Autorzy:
    Dobrzyński, P.
    Sobota, M.
    Włodarczyk, J.
    Stoiko, M.
    Pastusiak, M.
    Kasperczyk, J.
    Milewski, K.
    Krauze, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/284470.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    vascular stents
    bioresorbable stent
    drugs
    Źródło:
    Engineering of Biomaterials; 2018, 21, 148; 33
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Twice malignant transformation of hypertrophic lichen planus
    Autorzy:
    Krasowska, D.
    Kozlowicz, K.
    Kowal, M.
    Kurylcio, A.
    Budzynska-Wlodarczyk, J.
    Polkowski, W.
    Chodorowska, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/50185.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2012, 19, 4
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Database of Polish arable mineral soils: a review
    Autorzy:
    Bieganowski, A.
    Witkowska-Walczak, B.
    Glinski, J.
    Sokolowska, Z.
    Slawinski, C.
    Brzezinska, M.
    Wlodarczyk, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/26522.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Opis:
    The database of Polish arable mineral soils is presented. The database includes a lot of information about the basic properties of soils and their dynamic characteristics. It was elaborated for about 1 000 representative profiles of soils in Poland The database concerns: particle size distribution, organic carbon content, acidity-pH, specific surface area, hydrophobicity – solidliquid contact angle, static and dynamic hydrophysical properties, oxidation-reduction properties and selected biological (microbiological) properties of soils. Knowledge about soil characteristics is indispensable for description, interpretation and prediction of the course of physical, chemical and biological processes, and modelling these processes requires representative data. The utility of simulation and prediction models describing phenomena which take place in the soil-plant-atmosphere system greatly depends on the precision of data concerning characteristics of soil. On the basis of this database, maps of chosen soil properties are constructed. The aim of maps is to provide specialists in agriculture, ecology, and environment protection with an opportunity to gain knowledge of soil properties and their spatial and seasonal variability.
    Źródło:
    International Agrophysics; 2013, 27, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dermacentor reticulatus (Fabricius, 1794) and Babesia canis (Piana et Galli-Valerio, 1895) as the parasites of companion animals (dogs and cats) in the Wroclaw area, south-western Poland
    Autorzy:
    Krol, N.
    Kiewra, D.
    Lonc, E.
    Janaczyk, B.
    Chodorowska-Skubiszewska, A.
    Dzieciol, M.
    Gola, M.
    Gruszka, R.
    Jackowska-Szlachcic, E.
    Jagiello, M.
    Kawski, S.
    Lukaszewski, Z.
    Mizgalski, P.
    Narajowska, T.
    Niedzielska, J.
    Noczynski, M.
    Rudkowska, M.
    Rzepka, D.
    Samulska, K.
    Senze, M.
    Sieczko, P.
    Silny, A.
    Staniewska, A.
    Stanczyk, J.
    Stanczyk, W.
    Stasiak, M.
    Wlodarczyk, M.
    Zimniak, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/6581.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Opis:
    Tests performed in 2013 and 2014 revealed the occurrence of three tick species parasitizing pet cats and dogs in the Wrocław Agglomeration. In total, 1,455 tick specimens were removed from 931 hosts (760 dogs and 171 cats) in 18 veterinary clinics. The dominant tick species was Ixodes ricinus (n=1272; 87.4%), followed by I. hexagonus (n=137; 9.4%) and Dermacentor reticulatus (n=46; 3.2%). Females were the most often collected development stage among I. ricinus and D. reticulatus, and nymphs among I. hexagonus. Additionally, D. reticulatus ticks (n=337) were then collected from vegetation in the Wrocław area to detect Babesia canis; however, none was found positive. Only 9.0% of dog blood samples sent to VETLAB were positive for Babesia spp. Negative results for B. canis from ticks may result from the short period of the occurrence of D. reticulatus in the Wrocław area and therefore the vectorpathogen cycle may not have been fully established at the time of the study. Nevertheless, D. reticulatus is expanding its range, and the size of its population in the Wrocław Agglomeration is increasing. The presence of the pathogenic Babesia spp. combined with the occurrence of its main vector¸ D. reticulatus, suggests that the epizootiological situation in the area can change and may pose a new veterinary problem in the future.
    Źródło:
    Annals of Parasitology; 2016, 62, 2
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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