ArticleThe Science of the total environment2024
Assessing community health risks from exposure to ultrafine particles containing transition metals in the Greater Houston Area.
Article in The Science of the total environment, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- PAH-associated health risk from ultrafine particles: an urban field study.Air quality, atmosphere, & health · 2026Article
- A New Aerosol Respiratory Deposition Approach: Health Risks of Metals in Aerosols from Electronic Nicotine Delivery Systems and Heated Tobacco Products.Journal of aerosol science · 2026Article
- Wildland-urban interface co-combustion of biomass, synthetic polymeric materials, and lithium-ion batteries generates a new class of ultrafine soot-metal-PAH hybrid particles.Frontiers in public health · 2026Article
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Authors and funding
5 authors at 4 institutions in 1 country.
Funding
Abstract
Ultrafine particles (UFPs) in urban air environments have been an essential public health concern. The inhalation of UFPs can introduce transition metals contained in the UFP into the human airways, leading to adverse health effects. Therefore, it is crucial to investigate urban air UFP exposure and health risks induced by transition metals. This research carried out a series of field measurements to study urban air UFP exposure in the Greater Houston Area. Three sampling sites in the Greater Houston Area representing varying levels of UFP exposures were selected. The newly developed Mobile Aerosol Lung Deposition Apparatus (MALDA) which consists of a complete set of human airway replicas and a pair of UFP particle sizers was deployed in the sampling sites during three sampling timeframes (morning rush hours, noon, and afternoon rush hours) to obtain on-site UFP respiratory deposition data. UFP samples were collected at the sampling sites for metal composition analysis. The acquired UFP respiratory deposition data and UFP composition data were then used to calculate the respiratory deposited mass of transition metals and estimate the associated health risks for individuals living near sampling sites. Our results showed that transition metal-induced non-cancer risks caused by exposure to urban UFPs were within acceptable limits. The estimated lifetime excess cancer risks were generally <10
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Registered trials
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