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Wyświetlanie 1-3 z 3
Tytuł:
Ocena użyteczności metod wykrywania Cryptosporidium w kale ludzi i zwierząt
Evaluation of usefulness of different methods for detection of Cryptosporidium in human and animal stool samples
Autorzy:
Werner, A.
Sulima, P.
Majewska, A.C.
Powiązania:
https://bibliotekanauki.pl/articles/2146455.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
ocena przydatnosci
kal
metody wykrywania
zwierzeta
Cryptosporidium
czlowiek
Opis:
There are many methods for detection of Cryptosporidium oocysts. Most of them (more than 20) enable the microscopic detection of Cryptosporidium oocysts in faecal smears. Such a great variability of diagnostic methods may lead to confusion as far as the choice of an appropriate technique by a given laboratory is concerned. This study evaluated the diagnostic usefulness of Cryptosporidium oocysts and coproantigen detection methods in the diagnosis of cryptosporidiosis in human (266 stool specimen) and animals (205 from cattle, 160 from sheep, 30 from horses, 80 from cats, 227 from dogs and 11 from wild animals). The total number of human and animal stool specimens processed was 266 and 713, respectively. In this study the usefulness of several diagnostic methods was compared. The following techniques were taken into account: wet mounts, hematoxylin staining, four different specific methods (modified Zeihl-Neelsen, Kinyoun's, safraninmethylene blue, as well as carbol-methyl violet and tartrazyne) and commercially available kit based on enzyme-linked immunoassay (ProspecT(r) Cryptosporidium Microplate Assay). The final number of positive specimens was 123. Out of them 77 were positive in all specific methods. The oocysts found in stool specimens were measured. Humans were infected with C. parvum and animals with C. parvum, C. andersoni or C. felis. The statistical analysis has shown that EIA test was a better than microscopy method for identification of Cryptosporidium in faecal samples in human and wild animal. Sensitivity and specificity are important factors for the choice of a proper diagnostic method for Cryptosporidium detection, however other factors such as cost, simplicity and ease of interpretation of results are also important considerations.
Źródło:
Wiadomości Parazytologiczne; 2004, 50, 2; 209-220
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zależności między występowaniem jaj Toxocara w kale psów i w glebie
RELATIONSHIPS BETWEEN THE PREVALENCE OF TOXOCARA EGGS IN DOGS FAECES AND SOIL
Autorzy:
Maśnik, E.
Powiązania:
https://bibliotekanauki.pl/articles/2148544.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
wystepowanie
kal
psy
gleby
parazytologia
pasozyty
jaja
Toxocara
Opis:
Infection with Trichinella spiralis in mice generates Th-2 mediated response, which controls effector mechanism operating in the intestine. It is associated with a pronounced intestinal mastocytosis, eosinophilia and destruction of intestinal epithelial layer during expulsion of parasite from the gut. It is believed that protection is dependent on non-specific inflammatory reaction mediated by mast cells. Furthermore, the higher serum levels of parasite specific IgG1 and IgG2a and also mucosal IgA response were related to the course of infection. Inhibition of humoral and cellular immune responses using ketotifen as anti-allergic compound, resulted in the greater worm burden and worm size, but not in the significant prolongation of intestinal phase. Moreover, in treated mice epithelial layer of the gut was protected from destruction provoked by the nematode. As interaction between effector leukocytes and antibodies were not effective it was proposed that other mechanisms, not related to hypersensitivity or conventional inflammatory response regulated the level of infection. The immunological and physiological phenomenons are discussed in terms of events associated with protection to the parasite. Possibly, immunoregulatory capasity of the nematode is involved in the induction of multiple mechanisms operated during infection.
Źródło:
Wiadomości Parazytologiczne; 2000, 46, 2; 239-244
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Występowanie pasożytów jelitowych człowieka w wybranych populacjach na terenie Krakowa w latach 2000-2006 na podstawie badań parazytologicznych kału przeprowadzonych w Laboratorium Parazytologii Wojewódzkiej Stacji Sanitarno-Epidemiologicznej
Occurrence of human intestinal parasites in selected populations of Cracow in the years 2000-2006 on the basis of parasitological stool examinations performed in the Laboratory of Parasitology of the District Sanitary-Epidemiological Center
Autorzy:
Nowak, P.
Jochymek, M.
Pietrzyk, A.
Powiązania:
https://bibliotekanauki.pl/articles/2144075.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
badania kalu
badania parazytologiczne
wystepowanie
kal
pasozyty jelitowe
tereny miejskie
parazytologia
badania laboratoryjne
Krakow
Wojewodzka Stacja Sanitarno-Epidemiologiczna
populacje ludzkie
pasozyty czlowieka
Opis:
Background. Infections with intestinal parasites are the most frequent parasitic diseases in all human populations. According to available epidemiological data enterobiosis, giardiosis and ascariosis are the most prevalent in Poland. The aim of this study was to evaluate the prevalence of human intestinal parasites in three selected populations in Cracow between 2000−2006. Material and methods. As many as 5383 stool samples were tested with the use of coproscopic methods and ELISA for the presence of Giardia intestinalis coproantigen. Results. In 283 stool samples different species of intestinal parasites were detected. The prevalence of human intestinal parasites was minimal in 2002, with the ratio of 3.30%, while the maximal prevalence was noted in 2005 (8.86%). The mean prevalence of intestinal parasites in 2000−2006 was 5.26%. In this period of time the most prevalent intestinal parasite among children and adults was Enterobius vermicularis (2.35% and 1.84% respectively), and in the population of citizens returning from the tropics were Entamoeba coli (6.98%). Besides, a gradual trend of decrease in the number of patients referred directly to our laboratory for parasitic examination of stool samples was noted over the last years.
Źródło:
Wiadomości Parazytologiczne; 2007, 53, 4; 285-293
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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