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Wyświetlanie 1-15 z 51
Tytuł:
Optimal expression and purification of sapelovirus A structural protein VP1, and its immunogenicity in mice
Autorzy:
Zhao, T.T.
Cui, L.
Chen, L.
Li, J.J.
Liang, Q.L.
Wu, P.J.
Yu, X.Q.
Zhang, Z.H.
Hua, X.G.
Powiązania:
https://bibliotekanauki.pl/articles/2087686.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sapelovirus A
prokaryotic expression
purification
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 3; 573-579
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative assessment of selected intraoral microorganisms – potential factors for peri-surgical management complications
Autorzy:
Zawadzki, P.J
Starosciak, B.
Perkowski, K.
Baltaza, W.
Padzik, M.
Pionkowski, K.
Chomicz, L.
Powiązania:
https://bibliotekanauki.pl/articles/6223.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Opis:
In this research, a comparative analysis of results of investigations involving different human populations, in terms of a relation between the oral cavity health and the species composition of mouth microbiota is reported. The purpose of this analysis was to identify and assess microorganisms that could cause health complications in patients with neoplasm requiring dental problem-related surgical management. The patients with the oral cancer surgically treated and those without neoplasm were assessed for their oral health: status of teeth, gingiva, periodontium, and occurrence of inflammatory processes. From each patient, microorganisms isolated of periodontium, dental plaque, and dental pocket swabs were identified in wet and stained microscopic preparations; standard microbiology in vitro techniques were also applied to determine the fungal and bacterial strains. The comparative analysis of results of direct microscopic examinations and in vitro cultures assessment indicated significant differences in prevalences of fungi, parasitic oral protozoans and bacteriae in particular patient’s groups. Yeast-like fungi belonging to Candida genus, mostly of C. albicans group, were identified in 93.75% patients with the oral cancer, while in 25% of individuals assessed without neoplasm. E. gingivalis amoebae were only found in 12.5% patients with the serious disease; no trichomonads were detected in all patients analyzed. Among bacteria species, potentially pathogenic Enterobacteriaceae were found in the patients with oral cancer. The pronounced shift in the microbiota species composition in the patients who needed prolonged treatment due to oral cavity cancer, compared to other generally healthy persons has been showed in this analysis.
Źródło:
Annals of Parasitology; 2016, 62, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of selected oral cavity microbiota – risk factors of management complications in patients with masticatory system disorders
Autorzy:
Zawadzki, P.J.
Perkowski, K.
Starosciak, B.
Dybicz, M.
Baltaza, W.
Pionkowski, K.
Chomicz, L.
Powiązania:
https://bibliotekanauki.pl/articles/6035.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Opis:
The retrospective analysis of data on oral cavity clinical status in relation to microbiota species composition is presented. The research regards patients of different age, with and without congenital malformation, pretreatment assessed for occurrence of pathological changes in the masticatory system. Samples of the swabs collected from each patient (from dental plaque, periodontium and dental pockets) were used for identification of oral protozoans in wet slides and stained preparations; additionally, transmission electron microscope examination was performed. The material was used for in vitro cultures to identify bacteria strains. Clinically, intensity of tissue deteriorations was higher in patients with a congenital disease. Alive Trichomonas tenax and Entamoeba gingivalis, species with confirmed pathogenic impact on oral cavity and neighboring structures, were detected with higher prevalence in older patients. Enterococci, Staphylococcus aureus, various Enterobacteriaceae were more frequently detected in patients with somatic and mental retardations; in mouths of those patients, Klebsiella pneumonia and Pseudomonas aeruginosa opportunistic strains occurred. Masticatory system abnormalities favor colonization of oral cavity by exogenous species and dissemination of infections, especially dangerous for patients with congenital diseases. Oral microbiota assessment and preventive measures may be helpful to avoid subsequent peri-surgery complications.
Źródło:
Annals of Parasitology; 2016, 62, 1
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Allometric growth in the frontals of the Mongolian theropod dinosaur Tarbosaurus bataar
Autorzy:
Yun, C.-G.
Peters, G.F.
Currie, P.J.
Powiązania:
https://bibliotekanauki.pl/articles/31341395.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
paleontology
allometric growth
frontal bone
growth change
Mongolia
dinosaur
theropod dinosaur
Tarbosaurus bataar
Dinosauria
Theropoda
Tyrannosauridae
Tyrannosaurus rex
ontogenesis
allometry
Źródło:
Acta Palaeontologica Polonica; 2022, 67, 3; 601-615
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new basal eusauropod from the Middle Jurassic of Yunnan, China, and faunal compositions and transitions of Asian sauropodomorph dinosaurs
Autorzy:
Xing, L.
Miyashita, T.
Currie, P.J.
You, H.
Zhang, J.
Dong, Z.
Powiązania:
https://bibliotekanauki.pl/articles/945600.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Dinosauria
Sauropoda
Eusauropoda
Jurassic
eusauropod
paleontology
Middle Jurassic
Yunnan province
China
fauna composition
transition
Asia
sauropodomorph dinosaur
dinosaur
Opis:
Many sauropod ghost lineages cross the Middle Jurassic, indicating a time interval that requires increased sampling. A wide taxonomic spectrum of sauropodomorphs is known from the Middle Jurassic of China, but the braincase of a new sauropod, named here Nebulasaurus taito gen. et sp. nov., is distinct. Nebulasaurus is sister taxon to Spinophorosaurus from the Middle Jurassic of Africa and represents a clade of basal eusauropods previously unknown from Asia. The revised faunal list indicates dramatic transitions in sauropodomorph faunas from the Jurassic to Cretaceous of Asia; these are consistent with geographic isolation of Asia through the Late Jurassic. Non-sauropod sauropodomorphs, non-mamenchisaurid eusauropods (including basal macronarians), and mamenchisaurids successively replaced previous grades through the Jurassic, and titanosauriforms excluded all other sauropod lineages across the Jurassic–Cretaceous boundary.
Źródło:
Acta Palaeontologica Polonica; 2015, 60, 1; 145-154
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A New Deinonychosaurian Track from the Lower Cretaceous Hekou Group, Gansu Province, China
Autorzy:
Xing, L.
Li, D.
Harris, J.D.
Bell, P.R.
Azuma, Y.
Fujita, M.
Lee, Y.-N.
Currie, P.J.
Powiązania:
https://bibliotekanauki.pl/articles/20547.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Opis:
Herein we describe deinonychosaurian (Dinosauria: Theropoda) tracks in the Lower Cretaceous Hekou Group at sites I and II of Liujiaxia Dinosaur National Geopark, Gansu Province, China. The site preserves 71 didactyl tracks, the largest concentration of deinonychosaurian tracks in Asia. The tracks pertain to a new dromaeopodid ichnospecies: Dromaeosauripus yongjingensis ichnosp. nov., which is diagnosed by: a digital pad formula of x−1−3−4−x and a mean divarication angle between digits III and IV of 19°, and having the proximal portion of digit II contacting the anterior margin of a large, rounded metatarsophalangeal pad. Six Dromaeosauripustrackways from site II comprise at least two, and possibly three, turning trackways in which the track maker(s) turned without slowing down. None of the Dromaeosauripus trackways are parallel or closely spaced, suggesting that they were made by solitary track makers. Estimates of dromaeopodid track−maker sizes are between 61–300 cm, well within the size range established by body fossils of both dromaeosaurids and troodontids.
Źródło:
Acta Palaeontologica Polonica; 2013, 58, 4
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelowanie obwodu łącznika energoelektronicznego w programach symulacji PSpice i TCad
Modelling of power electronic switch circuits in PSpice and TCad programs
Autorzy:
Władziński, W.
Chrzan, P.J.
Mandrek, S.
Powiązania:
https://bibliotekanauki.pl/articles/268443.pdf
Data publikacji:
2003
Wydawca:
Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
Opis:
W referacie zaprezentowano sposób modelowania obwodu łącznika energoelektronicznego w klasycznych programach symulacyjnych, takich jak PSpice oraz TCad. Wykonano analizę matematyczną równań związanych z komutacją układu łącznika energoelektronicznego podczas procesu wyłączania. Wyjaśniono wpływ poszczególnych parametrów obwodowych na jakość procesów komutacyjnych łącznika energoelektronicznego. Ocenę opracowanych modeli łączników przeprowadzono na podstawie symulacji komputerowej oraz zależności matematycznych.
A method of modelling of power electronic switch circuits in PSpice and TCad programs is presented in the paper. Mathematical analysis of equations describing commutation processes in a power electronic switch during switch-off has been performed. The influence of individual circuit parameters on the quality of commutation processes has been explained. The evaluation of the developed models of switches has been done on the basis of simulation results and analytical equations.
Źródło:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2003, 19; 157-163
1425-5766
2353-1290
Pojawia się w:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of tramadol hydrochloride and its preparations by acid-base titration in non-aqueous medium
Autorzy:
Vinay, K.B.
Revanasiddappa, H.D.
Rajendraprasad, N.
Raghu, M.S.
Ramesh, P.J.
Xavier, C.M.
Basavaiah, K.
Powiązania:
https://bibliotekanauki.pl/articles/3614.pdf
Data publikacji:
2010
Wydawca:
Instytut Medycyny Wsi
Tematy:
determination
tramadol hydrochloride
preparation
acid-base titration
non-aquatic medium
titrimetry
Źródło:
Journal of Pre-Clinical and Clinical Research; 2010, 04, 1
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Theropod dinosaurs from the Upper Cretaceous of the South Pyrenees Basin of Spain
Autorzy:
Torices, A.
Currie, P.J.
Canudo, J.I.
Pereda-Suberbiola, X.
Powiązania:
https://bibliotekanauki.pl/articles/20400.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Opis:
The dinosaur record in the South Pyrenees Basin is diverse and rich. A total of 142 theropod teeth were studied for this paper, which constitutes one of the richest samples for these remains in Europe. Eight upper Campanian to upper Maastrichtian outcrops from the Pyrenees produced six non-avian theropod taxa (Theropoda indet., Coelurosauria indet., ?Richardoestesia, ?Dromaeosauridae indet., ?Pyroraptor olympius, ?Paronychodon). These six taxa are added to two previously described theropods (a Richardoestesia-like form and a possible ornithomimosaurid), indicating that there was considerable theropod diversity on the Iberian Peninsula during the Late Cretaceous.
Źródło:
Acta Palaeontologica Polonica; 2015, 60, 3
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kolorymetryczna metody oznaczania aktywności oksydazy monoaminowej w błonach płytek krwi
Kolorimetricheskijj metod oboznachanija aktivnosti monoaminovojj oksidazy v membranakh krovjanykh plastinok
A colorimetric method for monoamine oxidase activity determination in platelet membrane
Autorzy:
Szutowicz, A.
Tomaszewicz, M.
Orsulak, P.J.
Ciszek, B.
Powiązania:
https://bibliotekanauki.pl/articles/2186396.pdf
Data publikacji:
1988
Wydawca:
Polskie Towarzystwo Diagnostyki Laboratoryjnej
Tematy:
diagnostyka laboratoryjna
badania krwi
plytki krwi
blony plytek krwi
oksydaza monoaminowa
aktywnosc enzymatyczna
oznaczanie
metoda kolorymetryczna
Źródło:
Diagnostyka Laboratoryjna; 1988, 24, 2; 113-118
0867-4043
Pojawia się w:
Diagnostyka Laboratoryjna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of field tension infiltrometer data by parameter estimation
Autorzy:
Simunek, J.
Wang, Dong
Shouse, P.J.
Van Genuchten, M.T.
Powiązania:
https://bibliotekanauki.pl/articles/26040.pdf
Data publikacji:
1998
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
field tension
Wooding's analysis
tension disc infiltrometer
hydraulic property
soil property
parameter estimation
Źródło:
International Agrophysics; 1998, 12, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification
Autorzy:
Samman, T
Powell, G.L.
Currie, P.J.
Hills, L.V.
Powiązania:
https://bibliotekanauki.pl/articles/21645.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Opis:
Gross tooth morphology and serration morphology were examined to determine a quantifiable method for classifying tyrannosaurid tooth crowns from western North America. From the examination of teeth in jaws, tyrannosaurid teeth could be qualitatively assigned to one of five types based on the cross−sectional shape of the base of the tooth and characteristics of the mesial carina. A principal component analysis (PCA) revealed that much of the variance in tooth shape was a result of isometry, but some gross morphological variables exhibited strong positive allometry. Non−size associated factors were also important in determining tooth shape, particularly when data on denticle dimensions were considered in the analysis. While PCA identified important factors in variation, PCA ordination plots did not cluster the teeth into distinct, separate groupings based on taxon or bone of origin. The group classification functions determined by discriminant analysis, though not universally successful for classifying unidentified isolated teeth of all tyrannosaurids, do identify bone of origin of adult Albertosaurus, Daspletosaurus, and Gorgosaurus teeth at a statistically acceptable level.
Źródło:
Acta Palaeontologica Polonica; 2005, 50, 4; 757-776
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development and validation of RP-HPLC method for the determination of doxycycline hyclate in spiked human urine and pharmaceuticals
Autorzy:
Ramesh, P.J.
Basavaiah, K.
Tharpa, K.
Vinay, K.B.
Revanasiddappa, H.D.
Powiązania:
https://bibliotekanauki.pl/articles/3655.pdf
Data publikacji:
2010
Wydawca:
Instytut Medycyny Wsi
Źródło:
Journal of Pre-Clinical and Clinical Research; 2010, 04, 2
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Corrective factors of intestinal microflora disorders in the perinatal period
Autorzy:
Pisaniak, P.
Huflejt, M.
Gurowiec, P.J.
Ozga, D.
Powiązania:
https://bibliotekanauki.pl/articles/2088221.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Opolski. Instytut Nauk o Zdrowiu
Tematy:
caesarean section
intenstial microflora
vaginal seeding
breastfeeding
probiotics
Opis:
Intestinal microflora is found at approximately 10⁴ bacteria per ml of intestinal fluid. Although this ecosystem is very diverse with dynamic changes taking place within it, there is a certain stability in the type and number of species, referred to as the core microbiome, found in 95% of the human population. Genetic variation of microorganisms is relatively small, and their functions are strictly defined and highly conservative. The microbiome exists symbiotically with the host, protecting it against colonization by pathogenic microorganisms, providing essential metabolites, and stimulating the immune system. Colonization begins prenatally and its development is greatly influenced by the course of pregnancy, method of delivery, food supplied to the child during the first moments of life, and post-birth environment. The appropriate intestinal microflora composition is a key determinant of health and homeostasis, and any intestinal dysbiosis can be associated later in life with the development of obesity, diabetes, allergies or cancer. Due to the increasing number of hospitalised pregnancies and deliveries, affecting the intestinal microflora of a newborn, efforts are being made to minimize this process and restore the newborn’s microbiome. The use of the Vaginal seeding procedure raises up great hopes, but also some fears concerning its safety. Some very simple and most natural factors have been recently also appreciated and promoted, such as breastfeeding or direct contact of the baby’s skin with the mother’s skin, which are allies to probiotic bacteria. The purpose of this paper is to emphasize the importance of microbial colonization of the human body and to present the latest and most effective procedures that are designed to correct the existing dysbiosis or to reduce the risk of its occurrence. The literature for the compilation of this study has been obtained from databases such as PubMed, Google Scholar, Web of Science.
Źródło:
Medical Science Pulse; 2019, 13, 3; 68-71
2544-1558
2544-1620
Pojawia się w:
Medical Science Pulse
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 51

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