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Wednesday, July 29, 2020 | History

2 edition of Factors affecting children"s exposure to nitrogen dioxide. found in the catalog.

Factors affecting children"s exposure to nitrogen dioxide.

Sara Craze

Factors affecting children"s exposure to nitrogen dioxide.

by Sara Craze

  • 100 Want to read
  • 27 Currently reading

Published by Oxford Brookes University in Oxford .
Written in English


Edition Notes

Thesis (M.Sc.) - Oxford Brookes University, Oxford, 2001.

ContributionsOxford Brookes University. School of Planning., Oxford Brookes University. School of Biological and Molecular Sciences.
ID Numbers
Open LibraryOL18821402M

This study evaluated whether exposure to fine particulate matter (PM) and nitrogen dioxide (NO2) is associated with cardiovascular effects by examining a panel of 89 healthy subjects in Taipei.   Nitrogen Dioxide (NO 2) is less potent and reactive than ozone but it is a major contributor in the formation of ozone. Nitrogen dioxide is a major indoor pollutant. It is formed in the homes which use kerosene or industries that using fossil fuels as a fuel or from natural sources such as bacterial and volcanic actions.

2. How does Nitrogen Dioxide (NO 2) affect human health?. Which effects can be expected of long-term exposure to levels of NO 2 observed currently in Europe?. Chronic effects at current NO 2 levels; Effects on mortality at current NO 2 levels; Is NO 2 per se responsible for effects on health?; Are health effects of NO 2 influenced by the presence of other air pollutants?   Indoor environmental factors thought to modify asthma severity include pollutants such as PM, nitrogen oxides, secondhand smoke, and allergens from pests, pets, and molds (10). In contrast to the outdoor environments, people may have a greater ability to modify indoor environmental exposures.

How does Nitrogen Dioxide (NO 2) affect human health? See also our Digest on Respiratory Diseases in Children Studies on human populations indicate that long-term exposure to NO 2 levels currently observed in Europe may decrease lung function and increase the risk of respiratory symptoms such as acute bronchitis and cough and phlegm. Nitrogen dioxide is a chemical compound with the formula NO is one of several nitrogen oxides. NO 2 is an intermediate in the industrial synthesis of nitric acid, millions of tons of which are produced each year for use primarily in the production of higher temperatures it is a reddish-brown gas. Nitrogen dioxide is a paramagnetic, bent molecule with C 2v point group symmetry.


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Factors affecting children"s exposure to nitrogen dioxide by Sara Craze Download PDF EPUB FB2

Exposure to nitrogen dioxide (NO 2), mainly emitted from gas cooking appliances and motor vehicle exhausts, has been associated with respiratory symptoms in children 1 and adults. 2 Although epidemiological evidence is not consistent, a meta-analysis of 11 studies in children concluded that the excess risk is significant but small.

3 Results from one study suggested that high outdoor NO 2 exposure Cited by: We aimed to examine the associations of prenatal and postnatal (first-year and second-year) exposure to nitrogen dioxide (NO 2) and indicators of exposure to major roadways with obesity at 2 years old and BMI-for-age Z-score (BMIZ) growth trajectories between 0 and 2 years old.

The length and weight of the children were repeatedly measured at. Background: Ambient and home exposure to nitrogen dioxide (NO2) causes asthma symptoms and decreased lung function in children with asthma. Little is known about the health effects of school.

BACKGROUND: The human health effects of exposure to indoor nitrogen dioxide (NO2) are unclear, and few studies have examined the effects of short-term peak levels of exposure.

METHODS: The association between indoor exposure to NO2 and respiratory illness was examined in children aged by:   Exposures to nitrogen dioxide in EXPOLIS-Helsinki: microenvironment, behavioral and sociodemographic factors. TUULIA ROTKO 1. Exposure to fine particle matter, nitrogen dioxide and benzene during pregnancy and cognitive and psychomotor developments in children at 15 months of age Author links open overlay panel Aitana Lertxundi a b Michela Baccini c d Nerea Lertxundi b e Eduardo Fano b e Aritz Aranbarri b e Maria Dolores Martínez b f Mikel Ayerdi b h Jon Álvarez g.

An exposure study of children (aged 10–12 years) living in Santiago, Chile, was conducted. Personal, indoor and outdoor fine and inhalable particulate matter (nitrogen dioxide (NO 2) were measured during pilot (N=8) and main (N=20) studies, which were conducted during the winters of andrespectively.

exposure. Duration of exposure, concentration of the substance and other factors will affect your susceptibility to any of the potential effects described below. HEALTH HAZARD INFORMATION Acute Health Effects The following acute (short-term) health effects may occur immediately or shortly after exposure to Nitrogen.

Nitrogen dioxide is an important atmospheric trace gas, not only because of its health effects but also because (a) it absorbs visible solar radiation and contributes to impaired atmospheric visibility. (i) Air exchange exchange rate (air change h −1 – abbreviated to ACH) or infiltration rate λ r is the rate at which air passes into a building as a result of its structural leakage or its ventilation system.

In a typical British house with windows and other controllable openings closed, this rate lies in the range of –, with a mean value of ACH (Warren and Webb, * Nitrogen Dioxide can affect you when breathed in.

* Nitrogen Dioxide may cause mutations. Handle with extreme caution. * Contact can irritate and burn the skin and eyes with possible eye damage. * Breathing Nitrogen Dioxide can irritate the nose and throat. * Breathing Nitrogen Dioxide can irritate the lungs causing coughing and/or shortness.

Air Quality Guide for Nitrogen Dioxide. This guide provides you with information about ways to protect your health when nitrogen dioxide levels reach the unhealthy range, and ways you can help reduce nitrogen dioxide air pollution. View or print guide in PDF (2 pp., KB, about PDF).

Exposure to nitrogen dioxide (NO2), a by product of combustion, is associated with poor asthma control in children. We sought to determine whether gas-fueled kitchen appliance use is associated with hour indoor NO2concentrations and whether these concentrations are associated with asthma morbidity in children.

What is NO 2 and how does it get in the air?. Nitrogen Dioxide (NO 2) is one of a group of highly reactive gases known as oxides of nitrogen or nitrogen oxides (NO x).Other nitrogen oxides include nitrous acid and nitric acid.

NO 2 is used as the indicator for the larger group of nitrogen oxides. NO 2 primarily gets in the air from the burning of fuel. NO 2 forms from emissions from cars. Childhood Asthma and Exposure to Traffic and Nitrogen Dioxide.

them to reduce children's exposure to air pollution. risk among the children. The impact of environmental factors such as air.

Elevated levels of nitrogen dioxide (NO2) have been associated with adverse health outcomes in children, including reduced lung function and increased rates of asthma.

Many parts of London continue to exceed the annual average NO2 concentration of 40 µg/m3 set by the EU directive. Using high-resolution maps of annual average NO2 for from the London Atmospheric Emissions Inventory. Everybody is exposed to small amounts of nitrogen oxides in ambient air.

Higher exposure may occur by burning wood or kerosene or near gas stoves or if you smoke. Exposure to high levels of nitrogen oxides can damage the respiratory airways.

Contact with the. Nitrogen Dioxide and Respiratory Illness in Children Part IV: Effects of Housing and Meteorologic Factors on Indoor Nitrogen Dioxide Concentrations John D.

Spengler, Margo Schwab, Aidan McDermott, William E. Lambert, and Jonathan M. Samet ABSTRACT In a prospective study of infants' exposure to nitrogen. There is growing evidence that asthma symptoms can be aggravated or events triggered by exposure to indoor nitrogen dioxide (NO2) emitted from unflued gas heating.

The impact of NO2 on the respiratory health of children with asthma was explored as a secondary analysis of a randomised community trial, involving households during the winter period in (June to September).

Goldstein BD, Melia RJW, Chinn S, Florey C du V, Clark D, John HH () The relation between respiratory illness in primary schoolchildren and the use of gas for cooking II-Factors affecting nitrogen dioxide levels in the home. Int J Epidemiol – PubMed CrossRef Google Scholar.

Request PDF | Social factors associated with nitrogen dioxide (NO2) exposure during pregnancy: The INMA-Valencia project in Spain | Numerous studies have focused on the effects of exposure to air.Nitrogen dioxide sources include gas stoves, furnaces, and fireplaces. Indoor particulate matter and nitrogen dioxide are linked to asthma morbidity.

The indoor ozone concentration is mainly influenced by the outdoor ozone concentration. The health effects of indoor ozone exposure .Measurements of children's exposures to particles and nitrogen dioxide in Santiago, Chile Article in Science of The Total Environment (3) March with 75 Reads How we measure 'reads'.