Results: 55

Abdominal angiostrongyliasis can be diagnosed with a immunochromatographic rapid test with recombinant galactin from Angiostrongylus cantonensis

Mem. Inst. Oswaldo Cruz; 115 (), 2020
Angiostrongylus costaricensis is the causative agent of abdominal angiostrongyliasis, a zoonotic infection that may produce severe eosinophilic enterocolitis or hepatitis in humans. Parasites are usually not released in stools and serology has an important role in diagnosis. Since cross-reactivity is dem...

Inmunoensayo multiplex para el diagnóstico simultáneo de diabetes mellitus autoinmune y enfermedad celíaca

Introducción: la diabetes mellitus autoinmune (DMA) y la enfermedad celíaca (EC) son enfermedades crónicas, poligénicas y multifactoriales vinculadas con la disfunción del sistema inmune. Dado que es frecuente que un mismo paciente presente ambas patologías, la detección simultánea de los marcado...

Investigation and environmental analysis of samples from outbreak of toxoplasmosis at research institution in Londrina, Paraná, Brazil, 2016

Abstract The objective of this study was to report an outbreak of human toxoplasmosis at a research institution in Londrina, Paraná, from December 2015 to February 2016. Blood samples from 26 symptomatic individuals were collected and the microparticle chemiluminescence immunoassay was performed to dete...

Performance of "RESIST-3 O.K.N. K-SeT" immunochromatographic assay for the detection of OXA-48 like, KPC, and NDM carbapenemases in Klebsiella pneumoniae in Turkey

Braz. j. microbiol; 49 (4), 2018
ABSTRACT In this study, the performance of the "RESIST-3 O.K.N. K-SeT" (Coris BioConcept, Gembloux, Belgium) immunochromatographic assay was evaluated in 132 Klebsiella pneumoniae comprising 102 carbapenem resistant and 30 carbapenem susceptible isolates. Genotypically known isolates of Gram negative bac...

Disparity between Preoperative and Pre-Excisional Intraoperative Parathyroid Hormone in Parathyroid Surgery

Abstract Introduction Intraoperative parathyroid hormone (ioPTH) testing is a widely accepted standard for assessing the parathyroid gland function. A decline of preoperative parathyroid hormone (PTH) levels by more than 50% is one accepted measure of parathyroid surgery adequacy. However, there may be ...

Validación de inmunoensayos en fase sólida

La determinación del nivel de anticuerpos por medio de ensayos ELISA exige construir una curva de calibración según el modelo logístico de 4 parámetros (4PL); no obstante, es común que el bioquímico realice estimaciones y ajuste los datos de calibración con modelos alternativos. Se buscó determi...

Discrepancia en concentraciones de hormonas tiroideas libres medidas por distintos inmunoensayos

Abstract: Thyroid function is assessed by measuring thyrotropin and free and total thyroid hormone concentrations. There are interferences with the results of immunoassays that can lead to an incorrect diagnosis, of which the most frequent are the binding of thyroid hormones to heterophile antibodies, rh...

Estudios de laboratorio de diversos parámetros orientados a tratar de dilucidar la fisiopatología del síndrome de ovarios poliquísticos. Parte 1
Laboratory studies of various parameters aimed at trying to elucidate the pathophysiology of polycystic ovary syndrome. Part 1

Esta revisión fue realizada con el fin de evaluar nuestros resultados de laboratorio así como aquellos de la literatura que constituyen, a nuestro entender, aportes significativos en el síndrome de ovarios poliquísticos (SOP). Nuestro especial énfasis será presentar las limitaciones de las metodolo...

Validation of the Dual-path Platform chromatographic immunoassay (DPP® CVL rapid test) for the serodiagnosis of canine visceral leishmaniasis

Mem. Inst. Oswaldo Cruz; 113 (11), 2018
BACKGROUND Visceral leishmaniasis is a major public health challenge in South America, and dogs are its main urban reservoir. OBJECTIVE Validation of the canine Dual-path Platform immunoassay for canine visceral leishmaniasis (DPP® CVL) for a sample set composed of 1446 dogs from different Brazilian end...