Results: 90

Air pollution and hospitalizations in the largest Brazilian metropolis

ABSTRACT OBJECTIVE To evaluate the impact of air pollution on hospitalizations for respiratory and cardiovascular diseases in the largest Brazilian metropolis. METHODS This study was carried out at the Metropolitan Region of São Paulo, Brazil. Environmental data were obtained from the network of mon...

Climatic variability and morbidity and mortality associated with particulate matter

ABSTRACT OBJECTIVE The objective of this study has been to analyze whether fine particulate matter (PM2.5), as well as its synergistic effect with maximum temperature, humidity, and seasons, is associated with morbidity and mortality from cardiovascular diseases. METHODS This is an ecological study o...

Macromolecular confinement of therapeutic protein in polymeric particles for controlled release: insulin as a case study

ABSTRACT Sustained release systems for therapeutic proteins have been widely studied targeting to improve the action of these drugs. Molecular entrapping of proteins is particularly challenging due to their conformational instability. We have developed a micro-structured poly-epsilon-caprolactone (PCL) p...

Alterações respiratórias em trabalhadores: estudo de portuários avulsos

Rev. gaúch. enferm; 38 (4), 2017
Resumo OBJETIVO Identificar alterações no sistema respiratório em trabalhadores portuários por meio de exames radiográficos e de função pulmonar; identificar o uso de equipamentos de proteção individual durante as atividades portuárias; e relacionar a idade, tempo de trabalho, exposição a su...

Influence of high-dose gamma radiation and particle size on antioxidant properties of Maize ( Zea mays L. ) flour

Braz. j. pharm. sci; 52 (4), 2016
ABSTRACT Influence of high-dose gamma radiation and particle size on antioxidant properties of maize (Zea mays L.) flour was studied using response surface methodology. A central composite design based on three levels of each of particle size, in terms of mesh number (40, 60 and 80 meshes), and gamma ra...

Contaminación intradomiciliaria por material particulado fino (MP2, 5) en hogares de recién nacidos

Rev. chil. pediatr; 87 (5), 2016
Introducción: La contaminación de aire por material particulado (MP) es un importante problema de salud pública. En Chile se ha estudiado la contaminación atmosférica y MP10, y escasamente aire interior y MP2,5. Como los recién nacidos y los lactantes pasan la mayoría del tiempo en el hogar, es ne...

Effects of Air Pollutant Exposure on Acute Myocardial Infarction, According to Gender

Arq. bras. cardiol; 107 (3), 2016
Abstract Background: There is evidence of the effects of air pollution on hospital admissions due to cardiovascular diseases, including myocardial infarction. Objective: To estimate the association between exposure to air pollutants and hospital admissions due to myocardial infarction according to gend...

Air pollution and respiratory diseases: ecological time series

Säo Paulo med. j; 134 (4), 2016
ABSTRACT CONTEXT AND OBJECTIVE: Exposure to air pollutants is one of the factors responsible for hospitalizations due to respiratory diseases. The objective here was to estimate the effect of exposure to particulate matter (such as PM2.5) on hospitalizations due to certain respiratory diseases among re...

Arbolado urbano, calidad del aire y afecciones respiratorias en seis comunas de la provincia de Santiago, Chile

Ozone (O3) is a secondary pollutant, often above the norm in some areas of Santiago in the spring-summer period. It is formed in the atmosphere by photochemical reactions, between nitrogen oxides (NOx) and volatile organic compounds (VOCs), which have an important biogenic contribution (BVOCs). In this r...

Air pollutants and hospital admission due to pneumonia in children: a time series analysis

Summary Objective: The aim of this study was to estimate the association between expo sure to air pollutants and hospitalization for pneumonia among children in a medium-sized city located in the sugar cane plantation region of São Paulo State. Methods: An ecological time-series study was conducted wi...