Oxidative potential of subway PM 2.5

Moreno, Teresa; Kelly, Frank J.; Dunster, Chrissi; Oliete, Ana; Martins, Vânia; Reche, Cristina; Minguillón, María Cruz; Amato, Fúlvio; Capdevila, Marta; Miguel, Eladio de; Querol, Xavier

doi:10.1016/j.atmosenv.2016.10.045

Cited by 71 publications

(39 citation statements)

References 45 publications

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“…The rest of the measured metals indicated no contamination from the subway sources since their PI values were all < 1. Consistent with other studies, PI values from the Sydney railway system indicate moderate to very high contamination levels by heavy metals (Cui et al, 2016;Kam et al, 2011b;Moreno et al, 2017;Nieuwenhuijsen et al, 2007).…”

Section: Metal Concentration Analysissupporting

confidence: 90%

Particulate matter concentrations and heavy metal contamination levels in the railway transport system of Sydney, Australia

Mohsen

Ahmed

Zhou

2018

Transportation Research Part D: Transport and Environment

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Section: Metal Concentration Analysissupporting

confidence: 90%

Particulate matter concentrations and heavy metal contamination levels in the railway transport system of Sydney, Australia

Mohsen

Ahmed

Zhou

2018

Transportation Research Part D: Transport and Environment

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“…Some earlier studies implicated that ferruginous nature was responsible for the OP of subway PMs. However, Moreno suggested that although Fe dominated the composition of subway PMs, it was not responsible for oxidative damage and that more likely candidates were the trace metals such as Mn, Zn, Ba, and especially Cu [80,86,99,120,[152][153][154][155][156][157][158][159][160][161][162][163][164][165][166][167][168].…”

Section: Pmsmentioning

confidence: 99%

Environmental and Health Effects of Ventilation in Subway Stations: A Literature Review

Wen

Leng

Shen

et al. 2020

IJERPH

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Environmental health in subway stations, a typical type of urban underground space, is becoming increasingly important. Ventilation is the principal measure for optimizing the complex physical environment in a subway station. This paper narratively reviews the environmental and health effects of subway ventilation and discusses the relevant engineering, environmental, and medical aspects in combination. Ventilation exerts a notable dual effect on environmental health in a subway station. On the one hand, ventilation controls temperature, humidity, and indoor air quality to ensure human comfort and health. On the other hand, ventilation also carries the potential risks of spreading air pollutants or fire smoke through the complex wind environment as well as produces continuous noise. Assessment and management of health risks associated with subway ventilation is essential to attain a healthy subway environment. This, however, requires exposure, threshold data, and thereby necessitates more research into long-term effects, and toxicity as well as epidemiological studies. Additionally, more research is needed to further examine the design and maintenance of ventilation systems. An understanding of the pathogenic mechanisms and aerodynamic characteristics of various pollutants can help formulate ventilation strategies to reduce pollutant concentrations. Moreover, current comprehensive underground space development affords a possibility for creating flexible spaces that optimize ventilation efficiency, acoustic comfort, and space perception.

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“…Since the first subway in the world was built in London in 1863 (31), subway systems, as a typical type of urban underground space, have been expanding in depth and scope. Currently, subway systems have reached depths of ∼200 m underground (Pyongyang metro station, North Korea) and a total number of more than 150 worldwide (32,33). In 2012, more than 160 million passengers spent considerable time in subway systems around the world (33); by 2017, nearly 53.8 billion people traveled through subway systems (34), and the total number is still growing.…”

Section: Subway Systems and Oxidative Stressmentioning

confidence: 99%

Oxidative Stress From Exposure to the Underground Space Environment

Gao

Zhou

2020

Front. Public Health

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There are a growing number of people entering underground spaces. However, underground spaces have unique environmental characteristics, and little is known about their effects on human health. It is crucial to elucidate the effects of the underground space environment on the health of humans and other organisms. This paper reviews the effects of hypoxia, toxic atmospheric particles, and low background radiation in the underground space environment on living organisms from the perspective of oxidative stress. Most studies have revealed that living organisms maintained in underground space environments exhibit obvious oxidative stress, which manifests as changes in oxidants, antioxidant enzyme activity, genetic damage, and even disease status. However, there are few relevant studies, and the pathophysiological mechanisms have not been fully elucidated. There remains an urgent need to focus on the biological effects of other underground environmental factors on humans and other organisms as well as the underlying mechanisms. In addition, based on biological research, exploring means to protect humans and living organisms in underground environments is also essential.

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Oxidative potential of subway PM 2.5

Cited by 71 publications

References 45 publications

Particulate matter concentrations and heavy metal contamination levels in the railway transport system of Sydney, Australia

Particulate matter concentrations and heavy metal contamination levels in the railway transport system of Sydney, Australia

Environmental and Health Effects of Ventilation in Subway Stations: A Literature Review

Oxidative Stress From Exposure to the Underground Space Environment

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