ArticleEnvironmental science & technology2013
Physicochemical characterization of airborne particulate matter at a mainline underground railway station.
Article in Environmental science & technology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
19 citing papers in PubMed.
- Increased inflammation and oxidative stress caused by accumulated metal particle exposure among metro station staff.PloS one · 2025Article
- Particulate matter concentration and composition in the New York City subway system.Atmospheric pollution research · 2023Article
- A Real-Time Comparison of Four Particulate Matter Size Fractions in the Personal Breathing Zone of Paris Subway Workers: A Six-Week Prospective Study.Sustainability · 2022Article
- PMEnvironmental science and pollution research international · 2022Article
- Respiratory Disease Occupational Biomonitoring Collaborative Project (ROBoCoP): A longitudinal pilot study and implementation research in the Parisian transport company.Journal of occupational medicine and toxicology (London, England) · 2021Article
- Article
- Characterization of particulate matter emissions in urban train braking - An investigation of braking conditions influence on a reduced-scale device.Environmental science and pollution research international · 2020Article
- Environmental and Health Effects of Ventilation in Subway Stations: A Literature Review.International journal of environmental research and public health · 2020Review
- PMEnvironment international · 2020Article
- Article
- Oxidative Stress From Exposure to the Underground Space Environment.Frontiers in public health · 2020Review
- Particulate matter and the airway epithelium: the special case of the underground?European respiratory review : an official journal of the European Respiratory Society · 2019Article
- Health effects of particulate matter air pollution in underground railway systems - a critical review of the evidence.Particle and fibre toxicology · 2019Review
- Sources and Characteristics of Particulate Matter in Subway Tunnels in Seoul, Korea.International journal of environmental research and public health · 2018Article
- Evaluation of air quality at the Birmingham New Street Railway Station.Proceedings of the Institution of Mechanical Engineers. Part F, Journal of rail and rapid transit · 2018Article
- Concentrations, properties, and health risk of PMEnvironmental science and pollution research international · 2016Article
- Airborne copper exposure in school environments associated with poorer motor performance and altered basal ganglia.Brain and behavior · 2016Article
- The effects on bronchial epithelial mucociliary cultures of coarse, fine, and ultrafine particulate matter from an underground railway station.Toxicological sciences : an official journal of the Society of Toxicology · 2015Article
- Airborne particulate matter in public transport: a field study at major intersection points in Frankfurt am Main (Germany).Journal of occupational medicine and toxicology (London, England) · 2014Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
Abstract
Underground railway stations are known to have elevated particulate matter (PM) loads compared to ambient air. As these particles are derived from metal-rich sources and transition metals may pose a risk to health by virtue of their ability to catalyze generation of reactive oxygen species (ROS), their potential enrichment in underground environments is a source of concern. Compared to coarse (PM10) and fine (PM2.5) particulate fractions of underground railway airborne PM, little is known about the chemistry of the ultrafine (PM0.1) fraction that may contribute significantly to particulate number and surface area concentrations. This study uses inductively coupled plasma mass spectrometry and ion chromatography to compare the elemental composition of size-fractionated underground PM with woodstove, roadwear generator, and road tunnel PM. Underground PM is notably rich in Fe, accounting for greater than 40% by mass of each fraction, and several other transition metals (Cu, Cr, Mn, and Zn) compared to PM from other sources. Importantly, ultrafine underground PM shows similar metal-rich concentrations as the coarse and fine fractions. Scanning electron microscopy revealed that a component of the coarse fraction of underground PM has a morphology indicative of generation by abrasion, absent for fine and ultrafine particulates, which may be derived from high-temperature processes. Furthermore, underground PM generated ROS in a concentration- and size-dependent manner. This study suggests that the potential health effects of exposure to the ultrafine fraction of underground PM warrant further investigation as a consequence of its greater surface area/volume ratio and high metal content.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.