Total: 6257

Paxlovid (nirmatrelvir + ritonavir)

O Paxlovid consiste em nirmatrelvir, que impede a replicação do vírus SARS-CoV-2 ao inibir uma de suas proteínas; e ritonavir, que retarda a degradação do nirmatrelvir para ajudá-lo a permanecer no corpo por um período mais longo em concentrações mais altas. O Paxlovid é administrado em três ...

Ocorrência de perigos físicos em alimentos

A ocorrência de matérias estranhas com potencial perigo físico em alimentos é um grande desafio para a indústria alimentícia, e a análise microscópica é provavelmente o instrumento mais útil para detectá-las e identificá-las. Considerando a escassez de dados sobre os perigos físicos em pro...

Detection of antigens in paraffin sections of worms and snails infected by Angiostrongylus cantonensis by immunofluorescence reaction

The Indirect Immunofluorescence Assay (IFA) was used to identify stage-specific antigenic structures in paraffin sections of female larvae and worms and snails tissues, infected with third stage larvae of Angiostrongylus cantonensis. Sera from eosinophilic meningitis cases were used to assess reactivity...

Results of a sample-to-cutoff ratio using Abbott Architect rHTLV-I/II assay allow to predict detection of HTLV-1 and HTLV-2 proviral DNA by real-time PCR

The present study aims to correlate the sample-to-cutoff ratios (S/CO) distributions of reactive results for HTLV-1/2 antibodies with the detection of proviral DNA in a population of blood donor candidates. It was carried out a retrospective data search of 632 HTLV-1/2 reactive samples, submitted to con...

Multiparametric assay of screening for the diagnosis of mycoses of interest in Public Health: standardization of methodology

The standardization and validation of a multiplex assay requires the combination of important parameters such as sensitivity and specificity, acceptable levels of performance, robustness, and reproducibility. We standardized a multiparametric Dot-blot aimed at the serological screening ...

The relationship between IL-4 polymorphisms and asthma: a systematic review

Asthma is a chronic and heterogeneous disease of the airways that begins in childhood and persists, in many cases, into adulthood. The disease is the result of environmental, epigenetic and genetic interactions. This work aims to review the polymorphisms described in the literature in t...

Suplemento alimentar de vitamina C: fiscalização durante o período de adequação à nova legislação

Os suplementos à base de vitamina C são amplamente consumidos pela população, evidenciando a importância da fiscalização desses produtos. Em julho de 2018, a ANVISA (Agência Nacional de Vigilância Sanitária) publicou as novas regulamentações sobre suplementos alimentares, estabelecendo-se o p...

Use of laboratory methodologies to confirm an outbreak of acute diarrheal disease caused by multiple pathogens

The aim of this study was to investigate an outbreak caused by protozoa, which occurred in a municipality in the Brazil southern region. The investigations were carried out analyzing 47 fresh stool samples and 26 water samples by parasitological and molecular methods, as well as...

Hospital infection control and occupational medicine services in the face of the COVID-19 pandemic in occupational health

In this article, the actions developed by the Hospital Infection Control Service (HICS) and Occupational Medicine (OM) to face the COVID-19 pandemic and track cases of infection among employees of a large hospital in Belo Horizonte, Minas Gerais, Brazil. Training actions, guidelin...

Determination of lipids and fatty acids in infant formula: comparison of the conventional x direct method

Lipids in food are conventionally analyzed in two stages: extraction with organic solvent and fat esterification reaction, in this case, the type of fat of each food influences the choice of extraction and esterification reagents. In the direct method, such procedures are perform...