Immunoenzymatic Assays
Mostrando 1-12 de 17 artigos, teses e dissertações.
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1. Frequency of enteroparasitic infections and serum positivity for Toxocara spp. in children from a public day care center in Southern Brazil
Resumo Introdução As creches desempenham um importante papel social na educação e desenvolvimento inicial das crianças. O objetivo deste estudo foi investigar a frequência de infecções parasitárias intestinais, além de infecção por Toxocara spp. em crianças de uma creche na cidade do Rio Grande, Rio Grande do Sul, Brasil. Métodos: Para o estud
Braz. J. Biol.. Publicado em: 04/07/2019
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2. Immunogenicity and safety of the combined vaccine for measles, mumps, and rubella isolated or combined with the varicella component administered at 3-month intervals: randomised study
BACKGROUND Field testing required to license the combined measles, mumps, and rubella (MMR) vaccine must take into account the current recommendation of the vaccine in Brazil: first dose at 12 months and second dose at 15 months of age in combination with a varicella vaccine. OBJECTIVES This study aimed to evaluate the clinical consistency, immunogenicit
Mem. Inst. Oswaldo Cruz. Publicado em: 07/03/2019
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3. Seroepidemiological analysis of toxoplasmosis in college students
Background Toxoplasmosis is a zoonosis caused by an obligate intracellular parasite, Toxoplasma gondii, which affects warm-blooded animals including humans. Its prevalence rates usually vary in different regions of the planet. Methods In this study, an analysis of the seroprevalence of toxoplasmosis among Brazilian students was proposed by means of IgG spec
J. Venom. Anim. Toxins incl. Trop. Dis. Publicado em: 03/03/2015
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4. An immunoenzymatic assay for the diagnosis of hepatitis A utilising immunoglobulin Y
The detection of anti-hepatitis A virus (HAV) antibody levels by diagnostic kits in the convalescent period of disease generally use immunoglobulin G (IgG), which is expensive. An alternative to IgG is immunoglobulin Y (IgY), an immunoglobulin antibody encountered in birds and reptiles. The aim of this study was to develop a competitive immunoenzymatic assay
Mem. Inst. Oswaldo Cruz. Publicado em: 2012-11
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5. Produção de alérgeno Blo t 5 recombinante (rBlo t 5) de Blomia tropicalis e reatividade de anticorpos IgE a alérgenos Blo t 5 nativo e recombinante em pacientes atópicos
Allergies are caused by immunological reactions to allergens, which are substances capable of triggering specific IgE responses in genetically predisposed subjects. In tropical and subtropical regions, allergens derived from B. tropicalis are important causes of IgE-mediated sensitization among patients with asthma and allergic rhinitis. The aim of this stud
Publicado em: 2010
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6. Diagnosis of Chagas disease: what has been achieved? What remains to be done with regard to diagnosis and follow up studies?
In the acute phase and in the chronic forms of Chagas disease, the etiological diagnosis may be performed by detection of the parasite using direct or indirect parasitological methods and by the presence of antibodies in the serum by way of serological tests. Several techniques are easily available, ranging from the simplest wet smear preparation to immuno-e
Memórias do Instituto Oswaldo Cruz. Publicado em: 2009-07
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7. Anticorpos IgA, IgE e IgG4 específicos a Dermatophagoides pteronyssinus e aos seus alérgenos principais, Der p 1 e Der p 2, em amostras de soro e saliva de crianças e adolescentes alérgicos e não-alérgicos
Allergic rhinitis (AR) is a global public health problem and it is gaining importance due to the rapid increase in its prevalence worldwide. House dust mites as Dermatophagoides spp. are the major sources of allergen sensitization in genetically predisposed subjects. This study aimed to evaluate serum and salivary IgA, IgE and IgG4 levels to Dermatophagoides
Publicado em: 2009
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8. Use of immunoblotting assay improves the sensitivity of paracoccidioidomycosis diagnosis
The purpose of this work was to evaluate two serological assays: double immunodiffusion (DI) and immunoblotting (IB) in immunodiagnosis of paracoccidioidomycosis (PCM). We evaluated by IB assay 23 sera samples from patients with clinical confirmation of PCM, all of them with negative DI results against culture filtrate from Paracoccidioides brasiliensis isol
Journal of Venomous Animals and Toxins including Tropical Diseases. Publicado em: 2008
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9. Produção de anticorpos policlonais para detecção de bovicina HC5 por ensaios imunoenzimáticos / Production of polyclonal antibodies for the detection of bovicin HC5 by immunoenzymatic assays
Algumas bactérias produzem peptídeos antimicrobianos denominados bacteriocinas, que apresentam ação bactericida ou bacteriostática sobre bactérias da mesma espécie ou de espécies filogeneticamente relacionadas. Esses peptídeos têm sido estudados principalmente devido ao potencial para aplicação na indústria de alimentos, na medicina e na agropec
Publicado em: 2007
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10. OrientaÃÃo de anticorpos em alumÃnio empregando monocamadas auto-organizadas para produÃÃo de microssensores capacitativos
There is a growing demand for in situ monitoring of antigen-antibody interaction. Immunosensors based on antigenâantibody interaction have attracted great interest in recent years in various areas. Numerous techniques such as optical, mass-sensitive and electrochemical have been employed for this purpose. Among the electrochemical techniques, a capacitive m
Publicado em: 2007
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11. Identificação e caracterização de peptídeos miméticos dos antígenos de Mycobacterium leprae por phage display
CHAPTER I: Leprosy presents a clinical spectrum that spans from a strong cellular mediated immunity and bacili growth control of Mycobacterium leprae at the tuberculoid pole to a poor T cell immunity with extensive bacterial load at the lepromatous pole. The antigenic profile characterization in both clinical forms is a necessary step for discover and evalua
Publicado em: 2007
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12. Laboratory diagnosis of Schistosomiasis in areas of low transmission: a review of a line of research
After 57 years of successful control of schistosomiasis in Venezuela, the prevalence and intensity of infection have declined. Approximately 80% of the individuals eliminate less than 100 eggs/g of stools, therefore morbidity is mild and the majority are asymptomatic. The sensitivity of Kato-Katz decreases to approximately 60%. Available serological methods
Memórias do Instituto Oswaldo Cruz. Publicado em: 2002-10