Results: 4

Spatial distribution of manganese concentration and load in street dust in Mexico City

Salud pública Méx; 62 (2), 2020
Abstract: Objective: To obtain a first indication of the distribution and extent of manganese (Mn) contamination in Mexico City. Mn concentration and load in street dust were analyzed in order to reveal the most contaminated areas. Materials and methods: 482 samples of street dust were analyzed through...

Evaluation of the concentration of allergens from mites in fur and households dust of dogs with atopic dermatitis

Pesqui. vet. bras; 37 (1), 2017
This study evaluated the concentration of Der p 1, Der f 1 and Blo t 5 in the fur and households of 20 dogs with atopic dermatitis (AD) and 20 healthy dogs. The diagnosis of AD was clinical based on Favrot’s criteria. Dust samples were collected with a domestic vacuum cleaner. For each site, 1m2 was va...

Estudo preliminar dos níveis de metais em poeira de residências e sedimentos de ruas no bairro de Bonsucesso, Rio de Janeiro

Foram coletadas amostras de poeira depositada no piso de nove residências e no asfalto de três ruas, no bairro de Bonsucesso, e em uma rua no bairro do Recreio dos Bandeirantes. As coletas foram realizadas em períodos de baixa pluviometria nos anos de 1995 e 1996. As amostras sofreram uma triagem manu...

Determinaçäo gravimétrica de aerodispersóides
Gravimetric determination of aerosols

Rev. bras. saúde ocup; 17 (66), 1989
O presente trabalho tem por objetivo estabelecer a metodologia correspondente a preparaçäo, determinaçäo gravimétrica e validade de amostras de aerodispresóides,, utilizando-se de filtros-membranas ...