A comparative study on IgG-ELISA, IgM-IFT and Kato-Katz methods for epidemiological purposes in a low endemic area for schistosomiasis.

abstract：:To study the action of molluscicide nine ponds were selected: 3 of them lying in Maruim municipality, 29 km far from north Aracaju, the State capital, and 6 ponds in Itabaianinha municipality, 118 km far from south Aracaju. This study was carried out for 16 months. Environmental parameters observed were those thought ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Rosas E,Ribeiro EC

更新日期：1987-01-01 00:00:00

abstract：:Thermophilic campylobacters were isolated from three sewage plants in Rio de Janeiro, RJ, Brazil and identified. Laboratory analysis of 390 sewage samples showed the presence of 169 thermophilic strains. The results demonstrated that human and animal pathogenic biotypes could be isolated from activated sludge during t...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Lauria-Filgueiras AL,Hofer E

更新日期：1998-05-01 00:00:00

abstract：:For the first time, a jar of embalming rejects was studied in search for helminth parasite eggs. This kind of jar was used to put discarded material by Egyptian embalmers during mummification process. Ascaris lumbricoides and Taenia saginata eggs were found in the linen and strip fragment contents of the jar, dated of...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Harter S,Le Bailly M,Janot F,Bouchet F

更新日期：2003-01-01 00:00:00

abstract：:The principal vector of malaria in eastern Venezuela, Anopheles aquasalis, is exophagic and exophilic. Control using indoor insecticide house sprays has failed to lower the number of malaria cases. Therefore, studies were initiated in two villages of the eastern coastal state of Sucre to better understand this vector'...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Berti J,Zimmerman R,Amarista J

更新日期：1993-07-01 00:00:00

abstract：:We present herein an improved assay for detecting the presence of extracellular proteases from microorganisms on agar plates. Using different substrates (gelatin, BSA, hemoglobin) incorporated into the agar and varying the culture medium composition, we were able to detect proteolytic activities from Pseudomonas aerug...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Vermelho AB,Meirelles MN,Lopes A,Petinate SD,Chaia AA,Branquinha MH

更新日期：1996-11-01 00:00:00

abstract：:BACKGROUND The main strategy to control human malaria still relies on specific drug treatment, limited now by Plasmodium falciparum-resistant parasites, including that against artemisinin derivatives. Despite the large number of active compounds described in the literature, few of them reached full development against...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Penna-Coutinho J,Aguiar AC,Krettli\/ AU

更新日期：2018-12-06 00:00:00

abstract：:A polysaccharide-rich fraction (ATF) of medicinal mushroom Agaricus brasiliensis was evaluated on the candidacidal activity, H2O2 and nitric oxide (NO) production, and expression of mannose receptors by murine peritoneal macrophages. Mice received three intraperitoneal (i.p.) injections of ATF and after 48 h their per...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Martins PR,Gameiro MC,Castoldi L,Romagnoli GG,Lopes FC,Pinto AV,Loyola W,Kaneno R

更新日期：2008-05-01 00:00:00

abstract：:Dissection of Lutzomyia longipalpis, captured in the São Luis focus of visceral Leishmaniasis revealed a 1.8% promastigote infection rate. ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ryan L,Brazil RP

更新日期：1984-07-01 00:00:00

abstract：:Feline coprolites were examined for parasites with the aim of studying ancient infections that occurred in the Patagonian region during the Holocene period. Eggs compatible to Trichuris sp., Calodium sp., Eucoleus sp., Nematodirus sp., Oesophagostomum sp. (Nematoda), Monoecocestus sp. (Cestoda) and Eimeria macusaniens...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fugassa MH,Beltrame MO,Bayer MS,Sardella NH

更新日期：2009-12-01 00:00:00

abstract：:This paper examines the distribution and infection of Biomphalaria glabrata with Schistosoma mansoni in all aquatic snail habitats in a rural area in the state of Minas Gerais, Brazil, in relation to physico/biotic and behavioral factors. Snail and environmental surveys were carried out semi-annually between July 2001...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kloos H,Passos LK,Loverde P,Oliveira RC,Gazzinelli A

更新日期：2004-11-01 00:00:00

abstract：:Cholinesterase and acid phosphatase (AP), but not alkaline phosphatase activities, were detected in cytosolic and membrane-bound fractions of ivermectin resistant and susceptible Haemonchus contortus infective-stage larvae. Some differences in acetylcholinesterase activity of cytosolic fractions and in the AP activity...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Giménez-Pardo C,Martínez-Grueiro MM,Gómez-Barrio A,Rodríguez-Caabeiro F

更新日期：2004-03-01 00:00:00

abstract：:There is no effective chemotherapy against diseases caused by Phytomonas sp., a plant trypanosomatid responsible for economic losses in major crops. We tested three triazolo-pyrimidine complexes [two with Pt(II), and another with Ru(III)] against promastigotes of Phytomonas sp. isolated from Euphorbia characias. The i...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Magán R,Marín C,Salas JM,Barrera-Pérez M,Rosales MJ,Sánchez-Moreno M

更新日期：2004-10-01 00:00:00

abstract：:A ribosome association factor (AF) was isolated from the yeast Sacchharomyces cerevisiae. Partial amino acid sequence of AF was determined from its fragment of 25 kDa isolated by treating AF with 2-(2-nitrophenylsulfenyl)-3-methyl-3'-Bromoindolenine (BNPS-skatole). This sequence has a 86% identity to the product of th...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Correia H,Medina R,Hernández A,Bustamante E,Chakraburtty K,Herrera F

更新日期：2004-11-01 00:00:00

abstract：:Biomphalaria glabrata can react through different pathways to Schistosoma mansoni miracidium penetration, according to the degree of resistance/susceptibility presented by different snail strains, which is a genetically determined character, resistance being the dominant feature. However, it has been observed that pre...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Azevedo CM,Borges CC,Andrade ZA

更新日期：2006-09-01 00:00:00

abstract：:A rational method of search for natural neolignans of desired structures is outlined. This involves consultation of a collection of chemical profiles of plant families. The profiles are assembled considering the biosynthetic class (in the present case lignoids), subclass (neolignans), structural types (neolignan skele...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gottlieb OR

更新日期：1991-01-01 00:00:00

abstract：:Corynebacterium striatum is a potentially pathogenic microorganism with the ability to produce outbreaks of nosocomial infections. Here, we document a nosocomial outbreak caused by multidrug-resistant (MDR) C. striatum in Rio de Janeiro, Brazil. C. striatum identification was confirmed by 16S rRNA and rpoB gene sequen...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Baio PV,Mota HF,Freitas AD,Gomes DL,Ramos JN,Sant'Anna LO,Souza MC,Camello TC,Hirata Junior R,Vieira VV,Mattos-Guaraldi AL

更新日期：2013-02-01 00:00:00

abstract：:Acinetobacter baumannii is a strictly aerobic bacterium which causes severe infections, however its pathogenic characteristics are not well defined. Thirteen A. baumannii strains isolated from urine of hospitalized and nonhospitalized patients with different ages were investigated for the presence of virulence factors...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Braun G,Vidotto MC

更新日期：2004-12-01 00:00:00

abstract：:The chromatin of Trypanosoma congolense was analyzed by electron microscopy. The chromatin is organized as nucleosome filaments but does not form a 30 nm fiber. There are five groups of histones, including a histone H1-like protein, which as a molecular weight within the range of the core histones, and is extremely hy...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Schlimme W,Burri M,Betschart B,Hecker H

更新日期：1994-04-01 00:00:00

abstract：:In this study we investigated the larval dispersal associated with larval predation in experimental populations of Chrysomya albiceps and Cochliomyia macellaria. Frequency distribution of sampling units (G test) in the substrate was used to evaluate variation in larval dispersal. An experimental acrylic channel (1 x 0...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Andrade JB,Rocha FA,Rodrigues P,Rosa GS,Faria Ldel B,Von Zuben CJ,Rossi MN,Godoy WA

更新日期：2002-12-01 00:00:00

abstract：:Peritoneal exudate cells from mice infected with Schistosoma mansoni (S-PEC) can kill schistosomula in vitro in the presence of immune serum. S-PEC produce a low level of respiratory burst, and schistosomula mortality in their presence is not reduced when exogenous antioxidants are added, suggesting that with S-PEC, o...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Smith JM,Mikoji GM,Prichard RK

更新日期：1987-01-01 00:00:00

abstract：:Sixty eight patients with localized cutaneous leishmaniasis from an area with Leishmania (Viannia) braziliensis transmission had cultures performed with a modified Marzochís vacuum aspiratory puncture technique to establish sensitivity and contamination rate with this new method. Overall sensitivity of three aspirates...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Romero GA,Sampaio RN,Macedo Vde O,Marsden PD

更新日期：1999-07-01 00:00:00

abstract：:A case-control study was conducted to determine the presence ofMycobacterium lepraeDNA in nasal secretions of leprosy cases and nonleprosy individuals in Fortaleza, Brazil. It included 185 cases identified by physicians at the Dona Libânia National Reference Centre for Sanitary Dermatology (CDERM). A control group (Co...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Lima LN,Frota CC,Mota RM,Almeida RL,Pontes MA,Gonçalves Hde S,Rodrigues LC,Kendall C,Kerr L

更新日期：2015-11-01 00:00:00

abstract：:The Kilombero Malaria Project (KMP) attempts to define operationally useful indicators of levels of transmission and disease and health system relevant monitoring indicators to evaluate the impact of disease control at the community or health facility level. The KMP is a longitudinal community based study (N = 1024) i...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Teuscher T

更新日期：1992-01-01 00:00:00

abstract：:Virulence and antibiotic resistance are significant determinants of the types of infections caused by Staphylococcus aureus and paediatric groups remain among the most commonly affected populations. The goal of this study was to characterise virulence genes of methicillin-susceptible S. aureus (MSSA) and methicillin-r...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Jiménez JN,Ocampo AM,Vanegas JM,Rodríguez EA,Garcés CG,Patiño LA,Ospina S,Correa MM

更新日期：2011-12-01 00:00:00

abstract：:This study aimed at identifying the best ovitrap installation sites for gravid Aedes aegypti in Mirassol, state of São Paulo, Brazil. Ovitraps were installed in ten houses per block over ten blocks. Four ovitraps were placed per residence, one in the bedroom, one in the living room, and two outdoors with one in a shel...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Dibo MR,Chiaravalloti-Neto F,Battigaglia M,Mondini A,Favaro EA,Barbosa AA,Glasser CM

更新日期：2005-07-01 00:00:00

abstract：:The presence of transmitted human immunodeficiency virus (HIV)-1 drug-resistance (TDR) at the time of antiretroviral therapy initiation is associated with failure to achieve viral load (VL) suppression. Here, we report TDR surveillance in a specific population of men who have sex with men (MSM) in Belo Horizonte, Braz...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Tupinambás U,Duani H,Martins AV,Aleixo AW,Greco DB

更新日期：2013-06-01 00:00:00

abstract：:Previous investigations showed that Schistosoma mansoni infection aggravates protein malabsorption in undernourished mice and this can be reverted by administration of casein hydrolysate. The present study was undertaken to evaluate the effects of ingestion of casein hydrolysate for long periods. Albino Swiss mice wer...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ferreira HS,Coutinho EM,Nascimento GR,Carvalho MC

更新日期：1998-01-01 00:00:00

abstract：:A virus antigenic characterization methodology using an indirect method of antibody detection ELISA with virus-infected cultured cells as antigen and a micro virus neutralisation test using EIA (NT-EIA) as an aid to reading were used for antigenic characterization of Jatobal (BeAn 423380). Jatobal virus was characteri...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Figueiredo LT,Da Rosa AP

更新日期：1988-04-01 00:00:00

abstract：:The haemolymph of Panstrongylus megistus showed a natural lectin activity for a wide range of vertebrate erythrocytes. Agglutination was observed against all vertebrate erythrocytes tested (human ABO, duck, rabbit, mouse, sheep, chicken and cow). Cow erythrocytes showed the lowest titre. Concerning human erythrocytes,...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gomes YM,Furtado AF,De Carvalho AB

更新日期：1988-10-01 00:00:00

abstract：BACKGROUND:Chagas disease is a public health problem caused by infection with the protozoan Trypanosoma cruzi. There is currently no effective therapy for Chagas disease. Although there is some evidence for the beneficial effect of bone marrow-derived cells in chagasic disease, the mechanisms underlying their effects i...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Irion CI,Paredes BD,Brasil GV,Cunha STD,Paula LF,Carvalho AR,Carvalho ACC,Carvalho AB,Goldenberg RCDS

更新日期：2017-08-01 00:00:00