1994
DOI: 10.1590/s0036-46651994000200010
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Avaliação de técnica de sedimentação em tubos

Abstract: O rendimento de sedimentação em tubos, aplicada à pesquisa de ovos de Ancylostomidae, Trichuris trichura e Ascaris lumbricoides foi estudado em suspensões fecais diluídas a 2,0%; 1,5% e 1,0% em colunas de 80 mm de altura. De cada um dos helmintos citados, as amostras continham quantidades correspondentes a 12,5; 25,0; 50,0; 100,0; 150,0 e 200,0 ovos por grama de fezes (opg). Avaliou-se o rendimento do processo em termos de freqüências de resultados positivos e de contagens de ovos por lâmina de sedimento (0,07… Show more

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“…Information was provided about the objectives of the study and collection of the fecal samples was done during domiciliary visits. Fecal parasitologic examination: Each fecal sample was divided into three parts: one part was submitted to direct saline and direct iodine wet mounts 2 and to the techniques of zinc sulphate flotation 2 and tube sedimentation 19 ; the second part was placed in buffered formalin and then submitted to formalin-ether sedimentation technique 2 , followed by staining of the smears using Kinyoun's technique 7 ; and for the third one iron hematoxylin stain was carried out after fixing in Schaudinn's liquid 2 .…”
Section: Area and Populationmentioning
confidence: 99%
“…Information was provided about the objectives of the study and collection of the fecal samples was done during domiciliary visits. Fecal parasitologic examination: Each fecal sample was divided into three parts: one part was submitted to direct saline and direct iodine wet mounts 2 and to the techniques of zinc sulphate flotation 2 and tube sedimentation 19 ; the second part was placed in buffered formalin and then submitted to formalin-ether sedimentation technique 2 , followed by staining of the smears using Kinyoun's technique 7 ; and for the third one iron hematoxylin stain was carried out after fixing in Schaudinn's liquid 2 .…”
Section: Area and Populationmentioning
confidence: 99%