Torben Sigsgaard

Interaction between ozone and airborne particulate matter in office air.

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  • Afdeling for Miljø- og Arbejdsmedicin
This study investigated the hypotheses that humans are affected by air pollution caused by ozone and house dust, that the effect of simultaneous exposure to ozone and dust in the air is larger than the effect of these two pollutants individually, and that the effects can be measured as release of cytokines and changes of the respiratory function. Experimental exposures of eight atopic but otherwise healthy subjects were performed in a climate chamber under controlled conditions. The three controlled exposures were about 75 microg/m3 total suspended particulate matter, 0.3 p.p.m. ozone, and the combination of these. The exposure duration was 3 h. The outcome measures were interleukins and cells in nasal lavages (NAL), respiratory function, bronchial metacholine responsiveness, rhinometry symptoms and general well-being in a questionnaire and time course of general irritation on a visual analogue scale. Indications of interactions between exposure types were demonstrated for peak expiratory flow (PEF) (P
OriginalsprogEngelsk
TidsskriftIndoor Air
Vol/bind15
Nummer6
Sider (fra-til)383-392
Antal sider9
ISSN0905-6947
StatusUdgivet - 2005

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