期刊
CHEMOSPHERE
卷 139, 期 -, 页码 358-364出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2015.07.004
关键词
OH-PAHs; PAH exposure; Air pollution
资金
- UQ Postdoctoral Fellowship
- ARC [FT120100546]
- Australian Research Council [FT120100546] Funding Source: Australian Research Council
Exposure to polycyclic aromatic hydrocarbons (PAHs) has been associated with adverse health outcomes. Concentrations of urinary PAH metabolites (OH-PAHs) provide an integrated measure of human exposure to PAHs but measurement of urinary OH-PAHs has not been done in Australia and rarely in Vietnam, where air pollution is of concern. In this study, we assessed exposure to PAHs in 16 participants living in Brisbane, Australia and Hanoi, Vietnam, with 4 participants travelling between the two cities during the monitoring period. A total of 312 first morning urine samples were collected over 10 weeks and were analysed for nine OH-PAHs. Concentrations of the urinary OH-PAHs were 2-10 times higher in participants from Hanoi than those from Brisbane. For example, the median concentrations of 1-hydroxypyrene were 292 pg/mL in Hanoi, compared to 64 pg/mL in Brisbane. For participants travelling from Brisbane to Hanoi and back, differences in exposure to PAHs in these two cities resulted in corresponding changes of urinary OH-PAN concentrations, demonstrating that the more polluted environment in Hanoi was likely the source for higher PAR exposure there. (C) 2015 Elsevier Ltd. All rights reserved.
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