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Ren Y, Hu Y, Cheng H. Sources, bioaccessibility and health risk of heavy metal(loid)s in the particulate matter of urban areas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 947:174303. [PMID: 38936720 DOI: 10.1016/j.scitotenv.2024.174303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 05/27/2024] [Accepted: 06/24/2024] [Indexed: 06/29/2024]
Abstract
Exposure to heavy metal(loid)s in airborne particulate matter (PM) could lead to various adverse health effects. The study investigated the total contents and the bioaccessibility of PM-bound heavy metal(loid)s (Cr, Mn, Co, Ni, Cu, Zn, As, Cd, and Pb), identified their potential sources, and evaluated the associated health risk via inhalation in eight typical cities in China (Nanjing, Mianyang, Huangshi, Nanchang, Kunming, Xiamen, Guangzhou, and Wuzhishan). The results showed that PM-bound Cr (VI) and As of all eight cities exceeded the limits of World Health Organization. The bioaccessibility of PM-bound heavy metal(loid)s exhibited large variations, with their means following the order of Cd > Mn > Co > Ni > Cu > Cr > As > Zn > Pb. Traffic and industrial emissions were identified as primary sources in most urban areas. The emission sources have important effects on the bioaccessibility of PM-bound heavy metal(loid)s. In particular, atmospheric Cu has its bioaccessibility significantly correlated with the contributions from traffic emissions. The bioaccessibility-based health risk assessment obtained different results from those using total contents, showing that the non-carcinogenic risks posed by most metal(loid)s were acceptable except for As in Huangshi and Nanchang. These findings highlight the source dependence of bioaccessibility of heavy metal(loid)s in airborne PM, facilitate the identification of priority pollution sources and enhance effective risk-oriented source regulatory strategies in urban areas.
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Affiliation(s)
- Yuxuan Ren
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Yuanan Hu
- MOE Laboratory of Groundwater Circulation and Evolution, School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China.
| | - Hefa Cheng
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
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Menegaki S, Kelepertzis E, Kypritidou Z, Lampropoulou A, Chrastný V, Aidona E, Bourliva A, Komárek M. Characterization of the inhalable fraction (< 10 μm) of soil from highly urbanized and industrial environments: magnetic measurements, bioaccessibility, Pb isotopes and health risk assessment. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:230. [PMID: 38849623 PMCID: PMC11161548 DOI: 10.1007/s10653-024-02009-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 04/22/2024] [Indexed: 06/09/2024]
Abstract
Soil in urban and industrial areas is one of the main sinks of pollutants. It is well known that there is a strong link between metal(loid)s bioaccessibility by inhalation pathway and human health. The critical size fraction is < 10 μm (inhalable fraction) since these particles can approach to the tracheobronchial region. Here, soil samples (< 10 μm) from a highly urbanized area and an industrialized city were characterized by combining magnetic measurements, bioaccessibility of metal(loids) and Pb isotope analyses. Thermomagnetic analysis indicated that the main magnetic mineral is impure magnetite. In vitro inhalation analysis showed that Cd, Mn, Pb and Zn were the elements with the highest bioaccessibility rates (%) for both settings. Anthropogenic sources that are responsible for Pb accumulation in < 10 μm fraction are traffic emissions for the highly urbanized environment, and Pb related to steel emissions and coal combustion in cement plant for the industrial setting. We did not establish differences in the Pb isotope composition between pseudo-total and bioaccessible Pb. The health risk assessment via the inhalation pathway showed limited non-carcinogenic risks for adults and children. The calculated risks based on pseudo-total and lung bioaccessible concentrations were identical for the two areas of contrasting anthropogenic pressures. Carcinogenic risks were under the threshold levels (CR < 10-4), with Ni being the dominant contributor to risk. This research contributes valuable insights into the lung bioaccessibility of metal(loids) in urban and industrial soils, incorporating advanced analytical techniques and health risk assessments for a comprehensive understanding.
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Affiliation(s)
- Stavroula Menegaki
- Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, 15784, Panepistimiopolis, ZographouAthens, Greece
| | - Efstratios Kelepertzis
- Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, 15784, Panepistimiopolis, ZographouAthens, Greece.
| | - Zacharenia Kypritidou
- Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, 15784, Panepistimiopolis, ZographouAthens, Greece
| | - Anastasia Lampropoulou
- Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, 15784, Panepistimiopolis, ZographouAthens, Greece
| | - Vladislav Chrastný
- Department of Environmental Geosciences, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague-Suchdol, Czech Republic
| | - Elina Aidona
- Department of Geophysics, Faculty of Geology, School of Geology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Anna Bourliva
- Directorate of Secondary Education of Western Thessaloniki, 56430, Thessaloniki, Greece
| | - Michael Komárek
- Department of Environmental Geosciences, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague-Suchdol, Czech Republic
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Huang S, Han M, Chen P, Feng W, Li G, Zhang H, Peng H, Huang T. Assessing health risks from bioaccessible PM 2.5-bound toxic metals in Nanchang metro: Implications for metro workers and emissions control. ENVIRONMENTAL RESEARCH 2024; 258:119284. [PMID: 38823618 DOI: 10.1016/j.envres.2024.119284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 05/16/2024] [Accepted: 05/29/2024] [Indexed: 06/03/2024]
Abstract
High concentrations of PM2.5 with enriched levels of metallic constituents could significantly affect the health and comfort of metro employees. To avoid overestimating the exposure risks, we investigated the bioaccessibility of toxic metals (TMs) bound in PM2.5 from the Nanchang metro using Gamble's solution method, and qualitatively analyzed the impact of valence state and various sources on the bioaccessibility of TMs bound to PM2.5. The results showed that the bioaccessibility of the studied TMs ranged from 2.1% to 88.1%, with As, Ba, Co and Pb being the most bioaccessible and V, Fe and Cr being the less bioaccessible. The bioaccessibility of TMs in our subway PM2.5 samples varied based on their valence and species, showing higher valence states associated with increased bioaccessibility. Vehicle traffic, secondary aerosols and wheel/rail sources were found to be significantly and positively associated with the bioaccessibility of several TMs, implying a severe potential risk from these three sources. Although both non-carcinogenic and carcinogenic risks associated with total TMs were found to be high, only As and Cr(VI) posed a considerable carcinogenic risk to metro workers based on the bioaccessible fractions and were therefore priority pollutants. In addition, potential carcinogenic risk was found to be more severe in platform than that in ticket counter. The results indicate that considerable efforts are required to control and manage PM2.5 and the associated TMs in the Nanchang subway, particularly from traffic, wheel/rail and secondary sources, to protect the health of metro staff and the public.
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Affiliation(s)
- Shan Huang
- School of Resources and Environment, Nanchang University, Nanchang, 330031, China
| | - Minglei Han
- School of Resources and Environment, Nanchang University, Nanchang, 330031, China
| | - Peixian Chen
- School of Resources and Environment, Nanchang University, Nanchang, 330031, China; Jiangxi Jiujiang Ecological Environment Monitoring Center, Jiujiang, 332099, China
| | - Weiwei Feng
- School of Resources and Environment, Nanchang University, Nanchang, 330031, China
| | - Guobo Li
- School of Resources and Environment, Nanchang University, Nanchang, 330031, China
| | - Hongxiang Zhang
- School of Resources and Environment, Nanchang University, Nanchang, 330031, China
| | - Honggen Peng
- School of Resources and Environment, Nanchang University, Nanchang, 330031, China
| | - Ting Huang
- School of Resources and Environment, Nanchang University, Nanchang, 330031, China.
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Semerjian L, Adeniji AO, Shanableh A, Semreen MH, Mousa M, Abass K, Okoh A. Assessment of elemental chemistry, spatial distribution, and potential risks of road-deposited dusts in Sharjah, United Arab Emirates. Heliyon 2024; 10:e29088. [PMID: 38617947 PMCID: PMC11015408 DOI: 10.1016/j.heliyon.2024.e29088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 03/14/2024] [Accepted: 03/29/2024] [Indexed: 04/16/2024] Open
Abstract
Road dust is a major source of pollution in the environment, carrying different pollutants, including heavy metals and metalloids, from one location to another. This study assesses the concentrations of eight heavy metals and one metalloid (Zn, Pb, Mn, Fe, Cr, Cu, Cd, Ni, and As) in dust samples collected from sixty-eight streets of Sharjah, United Arab Emirates using ICP-OES, as well as investigates their effects on both the environment and humans. Mean concentrations of the elements in μg/g across the sites were 392 ± 46 (Zn), 68.28 ± 11.3 (Pb), 1437 ± 67 (Mn), 39,481 ± 4611 (Fe), 460 ± 31 (Cr), 150 ± 44 (Cu), 1.25 ± 0.65 (Cd), 856 ± 72 (Ni), and 0.97 ± 0.28 (As). The Cdeg and ERI calculated from the study were 54.79 and 573, respectively, suggesting varying pollution levels. The highest contributions were from Ni, Cd, Zn, Cu, Cr, and Pb, especially in areas with heavy traffic. The non-carcinogenic risk assessments were generally low for the three routes of exposure, except HQoral that was slightly higher for children. Similarly, none of the elements exhibited any carcinogenic risk except chromium. Overall, the cancer risk is considered low. In view of the limited studies from UAE in relation to the metal content of road-deposited dusts, the current study serves as novel knowledge, especially in the context of geographical areas with a higher occurrence of sandstorms and the presence of particulate matter. The study also adds to the global understanding of the contribution of street dust to environmental pollution and its implications for human health.
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Affiliation(s)
- Lucy Semerjian
- Department of Environmental Health Sciences, College of Health Sciences, University of Sharjah, P. O. Box 27272, Sharjah, United Arab Emirates
- Research Institute of Science and Engineering, University of Sharjah, Sharjah, United Arab Emirates
| | - Abiodun O. Adeniji
- Department of Chemistry and Chemical Technology, Faculty of Science and Technology, National University of Lesotho, P. O. Roma 180, Roma, Lesotho
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700, South Africa
| | - Abdallah Shanableh
- Research Institute of Science and Engineering, University of Sharjah, Sharjah, United Arab Emirates
- Department of Civil and Environmental Engineering, College of Engineering, University of Sharjah, Sharjah, United Arab Emirates
| | - Mohammad H. Semreen
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Muath Mousa
- Research Institute of Science and Engineering, University of Sharjah, Sharjah, United Arab Emirates
| | - Khaled Abass
- Department of Environmental Health Sciences, College of Health Sciences, University of Sharjah, P. O. Box 27272, Sharjah, United Arab Emirates
- Research Institute of Science and Engineering, University of Sharjah, Sharjah, United Arab Emirates
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Research Unit of Biomedicine and Internal Medicine, University of Oulu, Finland
| | - Anthony Okoh
- Department of Environmental Health Sciences, College of Health Sciences, University of Sharjah, P. O. Box 27272, Sharjah, United Arab Emirates
- Research Institute of Science and Engineering, University of Sharjah, Sharjah, United Arab Emirates
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700, South Africa
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Zhang X, Diao Z, Ma H, Xie X, Wang Y, Liu X, Yuan X, Zhu F. Multi-class organic pollutants in PM 2.5 in mixed area of Shanghai: Levels, sources and health risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166352. [PMID: 37598962 DOI: 10.1016/j.scitotenv.2023.166352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/04/2023] [Accepted: 08/15/2023] [Indexed: 08/22/2023]
Abstract
The occurrence of 25 multi-class pollutants comprising phthalate esters (PAEs), polycyclic aromatic hydrocarbons (PAHs), and synthetic musks (SMs) were studied in PM2.5 samples collected at an industrial/commercial/residential/traffic mixed area in Shanghai during four seasons. During the whole period, a slight exceedance of the PM2.5 annual limit was observed, with an average of 36.8 μg/m3, and PAEs were the most predominant, accounting for >70 % of the studied organic pollutants in PM2.5, followed by PAHs and SMs. Statistically significant differences were observed for the concentrations of PM2.5, PAEs, PAHs, and SMs in winter and summer. This seasonal variation could be derived from anthropogenic activities and atmospheric dynamics. Principal component analysis (PCA) and PAHs ratios suggested a mixed source mainly derived from vehicle emissions and industrial processes. Moreover, gaseous pollutants were also accounted for, indicating the emission of PAHs might accompany the NO2 emission process. Finally, inhalation of PM2.5-bound organic pollutants for carcinogenic and non-carcinogenic risks were estimated as average values for each season, showing outside the safe levels in autumn and winter in some cases, suggesting that new policies should be to developed to reduce their emissions and protect human health in this area.
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Affiliation(s)
- Xiaohan Zhang
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, PR China; Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong 266237, PR China
| | - Zishan Diao
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, PR China; Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong 266237, PR China
| | - Hui Ma
- Minhang Environmental Monitoring Station of Shanghai, Shanghai 201199, PR China; Environmental Monitoring Station of Pudong New District, Shanghai 200135, PR China
| | - Xiaomin Xie
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, PR China; Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong 266237, PR China
| | - Ying Wang
- Minhang Environmental Monitoring Station of Shanghai, Shanghai 201199, PR China
| | - Xinyu Liu
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, PR China
| | - Xianzheng Yuan
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, PR China; Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong 266237, PR China
| | - Fanping Zhu
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, PR China; Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong 266237, PR China.
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Lyu T, Tang Y, Cao H, Gao Y, Zhou X, Zhang W, Zhang R, Jiang Y. Estimating the geographical patterns and health risks associated with PM 2.5-bound heavy metals to guide PM 2.5 control targets in China based on machine-learning algorithms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122558. [PMID: 37714401 DOI: 10.1016/j.envpol.2023.122558] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/02/2023] [Accepted: 09/12/2023] [Indexed: 09/17/2023]
Abstract
PM2.5 is the main component of haze, and PM2.5-bound heavy metals (PBHMs) can induce various toxic effects via inhalation. However, comprehensive macroanalyses on large scales are still lacking. In this study, we compiled a substantial dataset consisting of the concentrations of eight PBHMs, including As, Cd, Cr, Cu, Mn, Ni, Pb and Zn, across different cities in China. To improve prediction accuracy, we enhanced the traditional land-use regression (LUR) model by incorporating emission source-related variables and employing the best-fitted machine-learning algorithm, which was applied to predict PBHM concentrations, analyze geographical patterns and assess the health risks associated with metals under different PM2.5 control targets. Our model exhibited excellent performance in predicting the concentrations of PBHMs, with predicted values closely matching measured values. Noncarcinogenic risks exist in 99.4% of the estimated regions, and the carcinogenic risks in all studied regions of the country are within an acceptable range (1 × 10-5-1 × 10-6). In densely populated areas such as Henan, Shandong, and Sichuan, it is imperative to control the concentration of PBHMs to reduce the number of patients with cancer. Controlling PM2.5 effectively decreases both carcinogenic and noncarcinogenic health risks associated with PBHMs, but still exceed acceptable risk level, suggesting that other important emission sources should be given attention.
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Affiliation(s)
- Tong Lyu
- Beijing Area Major Laboratory of Protection and Utilization of Traditional Chinese Medicine, Beijing Normal University, Beijing, 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Yilin Tang
- Beijing Area Major Laboratory of Protection and Utilization of Traditional Chinese Medicine, Beijing Normal University, Beijing, 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Hongbin Cao
- Beijing Area Major Laboratory of Protection and Utilization of Traditional Chinese Medicine, Beijing Normal University, Beijing, 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China.
| | - Yue Gao
- Beijing Area Major Laboratory of Protection and Utilization of Traditional Chinese Medicine, Beijing Normal University, Beijing, 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Xu Zhou
- Beijing Area Major Laboratory of Protection and Utilization of Traditional Chinese Medicine, Beijing Normal University, Beijing, 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Wei Zhang
- Beijing Area Major Laboratory of Protection and Utilization of Traditional Chinese Medicine, Beijing Normal University, Beijing, 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Ruidi Zhang
- Beijing Area Major Laboratory of Protection and Utilization of Traditional Chinese Medicine, Beijing Normal University, Beijing, 100875, China; Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Yanxue Jiang
- College of Environment and Ecology, Chongqing University, Chongqing, 400045, China
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Sánchez-Piñero J, Novo-Quiza N, Moreda-Piñeiro J, Muniategui-Lorenzo S, López-Mahía P. A multi-residue method for the analysis of organic pollutants released from atmospheric PM 2.5 in simulated biological fluids: Inhalation bioaccessibility and bioavailability estimation. Anal Chim Acta 2023; 1280:341862. [PMID: 37858566 DOI: 10.1016/j.aca.2023.341862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/27/2023] [Accepted: 09/29/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND In recent decades, there has been a growing interest within the scientific community regarding the study of the fraction that could be released in simulated biological fluids to estimate in vitro bioaccessibility and bioavailability of compounds. Concerning particulate matter (PM), studies were essentially focused on metal (oid)s probably due to more complex methodologies needed for organic compounds, requiring extraction and pre-concentration steps from simulated fluids, followed by chromatographic analysis. Thus, the development of a simple and sensitive methodology for the analysis of multi-class organic compounds released in different inhalation simulated fluids would represent a great contribution to the field. RESULTS In this work, a methodology for the analysis of 49 organic pollutants, including 18 polycyclic aromatic hydrocarbons (PAHs), 12 phthalate esters (PAEs), 11 organophosphorus flame retardants (OPFRs), 6 synthetic musk compounds (SMCs) and 2 bisphenols released in simulated fluids from PM2.5 samples was developed. After a physiologically based extraction test (PBET) by using artificial lysosomal fluid (ALF) and a simulated body fluid (SBF, filling a dialysis membrane) to obtain in vitro inhalation bioaccessible and bioavailable fractions, respectively; compounds were determined by a vortex-assisted liquid-liquid extraction (VALLE) and a subsequent analysis by programmed temperature vaporization-gas chromatography-tandem mass spectrometry (PTV-GC-MS/MS). Experimental conditions concerning VALLE extraction (extraction time and amount of NaCl (g)) were optimized by using a central composite design (CCD), best MS/MS transitions were selected and matrix-matched calibration combined with use of labelled subrogate standards provided high sensitivity, minimization of matrix effects and recovering losses compensation. SIGNIFICANCE The successful validation results obtained for most of the compounds demonstrated the effectiveness of the proposed methodology for the analysis of multi-class organic pollutants released in ALF and SBF for inhalation bioaccessibility and bioavailability assessment, respectively. Furthermore, applicability of the method was proved by analysing 20 p.m.2.5 samples, being the proposed in vitro PBET dialyzability approach for assessing organic pollutant's inhalation bioavailability applied to PM2.5 samples for the first time.
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Affiliation(s)
- Joel Sánchez-Piñero
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n. 15071, A Coruña, Spain.
| | - Natalia Novo-Quiza
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n. 15071, A Coruña, Spain
| | - Jorge Moreda-Piñeiro
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n. 15071, A Coruña, Spain
| | - Soledad Muniategui-Lorenzo
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n. 15071, A Coruña, Spain
| | - Purificación López-Mahía
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n. 15071, A Coruña, Spain
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Wang YL, Tsou MCM, Lai LC, Hseu ZY, Hsi HC, Chien LC. Oral and inhalation bioaccessibility of mercury in contaminated soils and potential health risk to the kidneys and neurodevelopment of children in Taiwan. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:6267-6286. [PMID: 37289259 DOI: 10.1007/s10653-023-01633-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/25/2023] [Indexed: 06/09/2023]
Abstract
Health risk assessments of exposure to mercury (Hg) from soils via ingestion and inhalation are indispensable for Taiwanese people living in the vicinity of Hg-contaminated sites. In this study, anthropogenic soils were collected from various polluted sources in Taiwan. In vitro oral and inhalation bioaccessible fractions of Hg were analyzed to avoid from overestimating the exposure risk. Discrepancies in oral and inhalation bioaccessible levels of Hg in soils were found using different in vitro assays with different pH levels and chemical compositions. The freshly contaminated soil (soil S7) polluted by chlor-alkali production activity sampled before the site was remediated had the highest total Hg concentration of 1346 mg/kg, with the highest oral bioaccessibility of 26.2% as analyzed by SW-846 Method 1340 and inhalation bioaccessibility of 30.5% as analyzed by modified Gamble's solution. The lesser extent of aging of Hg in soil S7 increased the Hg availability for humans, which was also found based on results of a sequential extraction procedure. Results of the hazard quotient showed that soil ingestion was the main pathway causing non-carcinogenic risks for children and adults. Children were also exposed to higher risks than were adults due to higher frequencies of hand-to-mouth behaviors and lower body weights. Furthermore, hazard index results adjusted for oral and inhalation bioaccessible Hg were lower than those obtained based on the total Hg content; however, an unacceptable value of the non-carcinogenic risk (> 1) for children living near soil S7 was still observed. This study suggests that children living near sites polluted for a short period of time may suffer potential renal effects regardless of the bioaccessibility. Our findings provide suggestions for decision makers on setting new strategies for managing risks of Hg-contaminated soils in Taiwan.
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Affiliation(s)
- Ying-Lin Wang
- School of Public Health, Taipei Medical University, 250 Wuxing St., Xinyi Dist., Taipei, 11031, Taiwan
- Graduate Institute of Environmental Engineering, National Taiwan University, 1 Roosevelt Rd., Sec. 4, Da'an Dist., Taipei, 10617, Taiwan
| | | | - Li-Chi Lai
- Graduate Institute of Environmental Engineering, National Taiwan University, 1 Roosevelt Rd., Sec. 4, Da'an Dist., Taipei, 10617, Taiwan
| | - Zeng-Yei Hseu
- Department of Agricultural Chemistry, National Taiwan University, Taipei, Taiwan
| | - Hsing-Cheng Hsi
- Graduate Institute of Environmental Engineering, National Taiwan University, 1 Roosevelt Rd., Sec. 4, Da'an Dist., Taipei, 10617, Taiwan.
| | - Ling-Chu Chien
- School of Public Health, Taipei Medical University, 250 Wuxing St., Xinyi Dist., Taipei, 11031, Taiwan.
- Nutrition Research Center, Taipei Medical University Hospital, Taipei, Taiwan.
- Neuroscience Research Center, Taipei Medical University, Taipei, Taiwan.
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Barzgar F, Sadeghi-Mohammadi S, Aftabi Y, Zarredar H, Shakerkhatibi M, Sarbakhsh P, Gholampour A. Oxidative stress indices induced by industrial and urban PM 2.5-bound metals in A549 cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 877:162726. [PMID: 36914132 DOI: 10.1016/j.scitotenv.2023.162726] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/19/2023] [Accepted: 03/04/2023] [Indexed: 05/06/2023]
Abstract
The detrimental effects of atmospheric fine particulate matter (PM2.5) on human health are of major global concern. PM2.5-bound metals are toxic compounds that contribute to cellular damage. To investigate the toxic effects of water-soluble metals on human lung epithelial cells and their bioaccessibility to lung fluid, PM2.5 samples were collected from both urban and industrial areas in the metropolitan city of Tabriz, Iran. Oxidative stress indices, including proline content, total antioxidant capacity (TAC), cytotoxicity, and DNA damage levels of water-soluble components of PM2.5, were evaluated. Furthermore, an in vitro test was conducted to assess the bioaccessibility of various PM2.5-bound metals to the respiratory system using simulated lung fluid. PM2.5 average concentrations in urban and industrial areas were 83.11 and 97.71 μg/m3, respectively. The cytotoxicity effects of PM2.5 water-soluble constituents from urban areas were significantly higher than in industrial areas and the IC50 was found to be 96.76 ± 3.34 and 201.31 ± 5.96 μg/mL for urban and industrial PM2.5 samples, respectively. In addition, higher PM2.5 concentrations increased the proline content in a concentration-dependent manner in A549 cells, which plays a protective role against oxidative stress and prevents PM2.5-induced DNA damage. Also, the partial least squares regression revealed that Be, Cd, Co, Ni, and Cr, were significantly correlated with DNA damage and proline accumulation, which caused cell damage through oxidative stress. The results of this study showed that PM2.5-bound metals in highly polluted metropolitan city caused substantial changes in the cellular proline content, DNA damage levels and cytotoxicity in human lung A549 cells.
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Affiliation(s)
- Fatemeh Barzgar
- Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Environmental Health Engineering, School of Public Health, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanam Sadeghi-Mohammadi
- Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Younes Aftabi
- Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Habib Zarredar
- Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Shakerkhatibi
- Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parvin Sarbakhsh
- Department of Statistics and Epidemiology, School of Public Health, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Akbar Gholampour
- Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Environmental Health Engineering, School of Public Health, Tabriz University of Medical Sciences, Tabriz, Iran.
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10
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Markiv B, Expósito A, Ruiz-Azcona L, Santibáñez M, Fernández-Olmo I. Environmental exposure to manganese and health risk assessment from personal sampling near an industrial source of airborne manganese. ENVIRONMENTAL RESEARCH 2023; 224:115478. [PMID: 36796611 DOI: 10.1016/j.envres.2023.115478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 01/09/2023] [Accepted: 02/09/2023] [Indexed: 06/18/2023]
Abstract
Manganese (Mn), despite being a trace element necessary in small quantities for the correct functioning of the organism, at higher concentrations can induce health disorders, mainly in motor and cognitive functions, even at levels found in non-occupational environments. For this reason, US EPA guidelines define safe reference doses/concentrations (RfD/RfC) for health. In this study, the individualised health risk of exposure to Mn through different media (air, diet, soil) and routes of entry into the organism (inhalation, ingestion and dermal absorption) was assessed according to the procedure defined by the US EPA. Calculations related to Mn present in ambient air were made on the basis of data obtained from size-segregated particulate matter (PM) personal samplers carried by volunteers recruited in a cross-sectional study conducted in the Santander Bay (northern Spain), where an industrial source of airborne Mn is located. Individuals residing in the vicinity of the main Mn source (within 1.5 km) were found to have a hazard index (HI) higher than 1, indicating that there is a potential risk for these subjects to develop health alterations. Also, people living in Santander, the capital of the region, located 7-10 km from the Mn source, may have some risk (HI > 1) under some wind conditions (SW). In addition, a preliminary study of media and routes of entry into the body confirmed that inhalation of PM2.5-bound Mn is the most important route contributing to the overall non-carcinogenic health risk related to environmental Mn.
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Affiliation(s)
- B Markiv
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain.
| | - A Expósito
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain
| | - L Ruiz-Azcona
- Global Health Research Group. Dpto Enfermería, Universidad de Cantabria, Avda. Valdecilla, s/n, 39008, Santander, Cantabria, Spain
| | - M Santibáñez
- Global Health Research Group. Dpto Enfermería, Universidad de Cantabria, Avda. Valdecilla, s/n, 39008, Santander, Cantabria, Spain; Nursing Research Group, IDIVAL, Calle Cardenal Herrera Oria s/n, 39011, Santander, Cantabria, Spain
| | - I Fernández-Olmo
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain
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11
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Polezer G, Potgieter-Vermaak S, Oliveira A, Martins LD, Santos-Silva JC, Moreira CAB, Pauliquevis T, Godoi AFL, Tadano Y, Yamamoto CI, Godoi RHM. The new WHO air quality guidelines for PM 2.5: predicament for small/medium cities. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:1841-1860. [PMID: 35713838 DOI: 10.1007/s10653-022-01307-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
The global burden of disease estimated that approximately 7.1 million deaths worldwide were related to air pollution in 2016. However, only a limited number of small- and middle-sized cities have air quality monitoring networks. To date, air quality in terms of particulate matter is still mainly focused on mass concentration, with limited compositional monitoring even in mega cities, despite evidence indicating differential toxicity of particulate matter. As this evidence is far from conclusive, we conducted PM2.5 bioaccessibility studies of potentially harmful elements in a medium-sized city, Londrina, Brazil. The data was interpreted in terms of source apportionment, the health risk evaluation and the bioaccessibility of inorganic contents in an artificial lysosomal fluid. The daily average concentration of PM2.5 was below the WHO guideline, however, the chemical health assessment indicated a considerable health risk. The in vitro evaluation showed different potential mobility when compared to previous studies in large-sized cities, those with 1 million inhabitants or more (Curitiba and Manaus). The new WHO guideline for PM2.5 mass concentration puts additional pressure on cities where air pollution monitoring is limited and/or neglected, because decision making is mainly revenue-driven and not socioeconomic-driven. Given the further emerging evidence that PM chemical composition is as, or even more, important than mass concentration levels, the research reported in the paper could pave the way for the necessary inter- and intra-city collaborations that are needed to address this global health challenge.
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Affiliation(s)
- Gabriela Polezer
- Environmental Engineering Department, Federal University of Paraná, Curitiba, Paraná, Brazil.
- Departament of Technology, State University of Maringá, Umuarama, Paraná, Brazil.
| | - Sanja Potgieter-Vermaak
- Ecology & Environment Research Centre, Department of Natural Science, Manchester Metropolitan University, Manchester, M1 5GD, UK
- Molecular Science Institute, University of the Witwatersrand, Johannesburg, South Africa
| | - Andrea Oliveira
- Chemistry Department, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Leila D Martins
- Chemistry Department, Federal University of Technology-Paraná, Londrina, Paraná, Brazil
| | - Jéssica C Santos-Silva
- Water Resources and Environmental Engineering Department, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Camila A B Moreira
- Environmental Engineering Department, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Theotonio Pauliquevis
- Department of Environmental Sciences, Federal University of São Paulo, Diadema, Brazil
| | - Ana F L Godoi
- Environmental Engineering Department, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Yara Tadano
- Mathematics Department, Federal University of Technology - Paraná, Ponta Grossa, Paraná, Brazil
| | - Carlos I Yamamoto
- Chemical Engineering Department, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Ricardo H M Godoi
- Environmental Engineering Department, Federal University of Paraná, Curitiba, Paraná, Brazil
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12
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Huang M, Zeng Y, Luo K, Lan B, Luo J, Zeng L, Kang Y. Inhalation bioacessibility and lung cell penetration of indoor PM 2.5-bound PAEs and its implication in risk assessment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 322:121216. [PMID: 36746290 DOI: 10.1016/j.envpol.2023.121216] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/11/2022] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
Several studies have evaluated the human exposure of phthalate esters (PAEs) in PM2.5 via inhalation route, however, inhalation bioaccessibility and the lung cell penetration of PAEs were barely considered in risk assessment. In the present study, PM2.5 samples collected from indoor environments were investigated for inhalation bioaccessibility of PAEs using two simulated lung fluids (gamble's solution (GMB) and artificial lysosomal fluid (ALF)). The results showed that the inhalation bioaccessibility of PAEs (except for diethyl phthalate) under healthy state (GMB: 8.9%-62.8%) was lower than that under the inflammatory condition (ALF: 14.5%-67.6%). Lung cell permeation and metabolism of three selected PAEs (diethyl phthalate, di(n-butyl)phthalate and di-2-ethylhexyl phthalate) was tested using equivalent lung cell (A549) model. The inhalation bioavailability obtained by combination of the bioaccessibility of PAEs in indoor PM2.5 and permeability data of A549 cell ranged from 11.7% to 51.1% in health condition, and 13.5%-55.0% in inflammatory state. The calibration parameter (Fc) based on the inhalation bioavailability was established in present study and could provide a reference for a more accurate risk assessment of PM2.5-bound PAEs.
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Affiliation(s)
- Mantuo Huang
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
| | - Yuqi Zeng
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
| | - Kesong Luo
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
| | - Bingyan Lan
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
| | - Jiwen Luo
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
| | - Lixuan Zeng
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
| | - Yuan Kang
- School of Environment, South China Normal University, Higher Education Mega Center, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China.
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13
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Li Y, Ajmone-Marsan F, Padoan E. Combining DGT with bioaccessibility methods as tool to estimate potential bioavailability and release of PTEs in the urban soil environment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159597. [PMID: 36280078 DOI: 10.1016/j.scitotenv.2022.159597] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/29/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Potentially toxic elements (PTEs) in urban soil environments pose a noticeable risk to both ecosystem and human health; however, only a fraction of the elemental content is available for biota. To better know the potential risk of PTEs in the urban soil environment, geochemical fractionation, bioaccessibility, and potential bioavailability of four PTEs (Cd, Cu, Pb, and Zn) were investigated by the combined use of different methods. The results showed that a high non-residual chemical fraction is related to a high bioavailability of the selected elements. The ranges of labile concentration of Cu, Zn, Cd and Pb in all sampling sites measured by diffusive gradients in thin films (DGT) were 3.5-18.0, 14.2-26.5, 0.09-1.0, and 1.8-15.7 μg/L, respectively. The high non-residual contents pointed out a serious hazard to the urban environment. The bioaccessible concentrations in gastric and lung phases were closely positively correlated with DGT-measured content (r = 0.63-0.99, p < 0.05), suggesting the potential use of DGT for the prediction of PTEs risk to human health. Moreover, the correlation of DGT results with the soluble and reducible fractions of PTEs may allow DGT use for quick screenings of the PTEs fraction potentially mobilizable during flooding events in urban soil environments. Our study suggests that combing DGT, bioaccessibility and biogeochemical fractionation could provide a more accurate assessment of the urban environmental quality and be helpful for pollution control and urban planning.
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Affiliation(s)
- Yan Li
- University of Torino, Department of Agricultural, Forest and Food Sciences, Largo Paolo Braccini 2, Grugliasco, 10095 Torino, Italy.
| | - Franco Ajmone-Marsan
- University of Torino, Department of Agricultural, Forest and Food Sciences, Largo Paolo Braccini 2, Grugliasco, 10095 Torino, Italy
| | - Elio Padoan
- University of Torino, Department of Agricultural, Forest and Food Sciences, Largo Paolo Braccini 2, Grugliasco, 10095 Torino, Italy
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14
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Novo-Quiza N, Sanromán-Hermida S, Sánchez-Piñero J, Moreda-Piñeiro J, Muniategui-Lorenzo S, López-Mahía P. In-vitro inhalation bioavailability estimation of Metal(oid)s in atmospheric particulate matter (PM 2.5) using simulated alveolar lysosomal fluid: A dialyzability approach. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 317:120761. [PMID: 36503820 DOI: 10.1016/j.envpol.2022.120761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 11/10/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
A novel in-vitro method, by using synthetic body fluids, human physiological conditions and a simulated air-blood barrier (by using a dialysis membrane) has been developed and applied to assess in-vitro inhalation bioavailability of metal(oid)s associated to particulate matter (PM2,5) samples collected from an industrial site of the Northwest of Spain. A validated analytical methodology based on inductively coupled plasma mass spectrometry (ICP-MS) was used to analyse metal(oid)s concentrations in bioavailable fractions. This approach would be a more realistic human health risk assessment since considering processes that occur in human body in contrast the overestimation derived from current models (which consider environmental concentrations). Metal(oid)s such as Cu and Mo seemed to be the most bioavailable (mean in-vitro bioavailability ratios higher than 70%); Ba, Cd, Mn, Pb, Rb, Sb, Sn, V and Zn shown mean ratios between 20 and 60%, while low in-vitro bioavailability ratios (less than 20%) were observed for metal(oid)s such as Al, Co, Cr, Fe, Ni, Ti, and Tl. Health risk assessment via inhalation based on hazard carcinogenic and non-carcinogenic indexes (HIc and HInc, respectively) were performed considering three exposure scenarios using both inhalation bioavailable and total metal(oid)s concentrations in PM2.5 samples, suggesting no risk to human health. The influence of chemical composition on in-vitro bioavailability ratios was obtained, pointing out that inhalation ratios of Al, Ba, Cr, Cu, Fe, Ni, Pb and V seem to be affected by sea salt and/or crustal and/or biogenic and/or anthropogenic content of PM2.5.
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Affiliation(s)
- Natalia Novo-Quiza
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n, 15071, A Coruña, Spain.
| | - Silvia Sanromán-Hermida
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n, 15071, A Coruña, Spain
| | - Joel Sánchez-Piñero
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n, 15071, A Coruña, Spain
| | - Jorge Moreda-Piñeiro
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n, 15071, A Coruña, Spain.
| | - Soledad Muniategui-Lorenzo
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n, 15071, A Coruña, Spain
| | - Purificación López-Mahía
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, s/n, 15071, A Coruña, Spain
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15
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Markiv B, Ruiz-Azcona L, Expósito A, Santibáñez M, Fernández-Olmo I. Short- and long-term exposure to trace metal(loid)s from the production of ferromanganese alloys by personal sampling and biomarkers. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2022; 44:4595-4618. [PMID: 35190915 PMCID: PMC8860625 DOI: 10.1007/s10653-022-01218-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/27/2022] [Indexed: 05/06/2023]
Abstract
The environmental exposure to trace metal(loid)s (As, Cd, Cu, Fe, Mn, Pb, and Zn) was assessed near a ferromanganese alloy plant using filters from personal particulate matter (PM) samplers (bioaccessible and non-bioaccessible fine and coarse fractions) and whole blood as short-term exposure markers, and scalp hair and fingernails as long-term biomarkers, collected from volunteers (n = 130) living in Santander Bay (northern Spain). Bioaccessible and non-bioaccessible metal(loid) concentrations in coarse and fine PM from personal samplers were determined by ICP-MS after extraction/digestion. Metal(loid) concentration in biomarkers was measured after alkaline dilution (whole blood) and acid digestion (fingernails and scalp hair) by ICP-MS as well. Results were discussed in terms of exposure, considering the distance to the main Mn source, and sex. In terms of exposure, significant differences were found for Mn in all the studied fractions of PM, As in whole blood, Mn and Cu in scalp hair and Mn and Pb in fingernails, with all concentrations being higher for those living closer to the Mn source, with the exception of Cu in scalp hair. Furthermore, the analysis of the correlation between Mn levels in the studied biomarkers and the wind-weighted distance to the main source of Mn allows us to conclude that scalp hair and mainly fingernails are appropriate biomarkers of long-term airborne Mn exposure. This was also confirmed by the significant positive correlations between scalp hair Mn and bioaccessible Mn in coarse and fine fractions, and between fingernails Mn and all PM fractions. This implies that people living closer to a ferromanganese alloy plant are exposed to higher levels of airborne metal(loid)s, mainly Mn, leading to higher levels of this metal in scalp hair and fingernails, which according to the literature, might affect some neurological outcomes. According to sex, significant differences were observed for Fe, Cu and Pb in whole blood, with higher concentrations of Fe and Pb in males, and higher levels of Cu in females; and for Mn, Cu, Zn, Cd and Pb in scalp hair, with higher concentrations in males for all metal(loid)s except Cu.
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Affiliation(s)
- B Markiv
- Departamento de Ingenierías Química y Biomolecular, Universidad de Cantabria, Santander, Spain.
| | - L Ruiz-Azcona
- Departamento de Enfermería, Universidad de Cantabria, Santander, Spain
| | - A Expósito
- Departamento de Ingenierías Química y Biomolecular, Universidad de Cantabria, Santander, Spain
| | - M Santibáñez
- Departamento de Enfermería, Universidad de Cantabria, Santander, Spain
| | - I Fernández-Olmo
- Departamento de Ingenierías Química y Biomolecular, Universidad de Cantabria, Santander, Spain
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16
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Sánchez-Piñero J, Novo-Quiza N, Moreda-Piñeiro J, Turnes-Carou I, Muniategui-Lorenzo S, López-Mahía P. Multi-class organic pollutants in atmospheric particulate matter (PM 2.5) from a Southwestern Europe industrial area: Levels, sources and human health risk. ENVIRONMENTAL RESEARCH 2022; 214:114195. [PMID: 36030919 DOI: 10.1016/j.envres.2022.114195] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/16/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
The occurrence of 50 multi-class pollutants comprising 18 polycyclic aromatic hydrocarbons (PAHs), 12 phthalate esters (PAEs), 12 organophosphorus flame retardants (OPFRs), 6 synthetic musk compounds (SMCs) and 2 bisphenols was studied in atmospheric particulate matter (PM2.5) samples collected at an industrial area focused on automotive manufacturing located at the Southwestern Atlantic European region (Vigo city, Spain) during 1-year period. Among all quantitated pollutants in PM2.5 samples, bisphenol A (BPA) was the most predominant with an average concentration of 6180 pg m-3, followed by PAHs comprising benzo(b+j)fluoranthene (BbF + BjF) and benzo(g,h,i)perylene (BghiP), accounting for 546 pg m-3 and 413 pg m-3 respectively. In addition, two OPFRs concerning tris(chloropropyl) phosphate (TCPP) and triphenyl phosphine oxide (TPPO) were the next following the concentration order, accounting for 411 pg m-3 and 367 pg m-3 respectively; being butyl benzyl phthalate (BBP) the most profuse PAE (56.1 pg m-3 by average). High relative standard deviations (RSDs) were observed during the whole sampling period, while statistically significant differences were only observed for PAHs concentrations during cold and warm seasons. Furthermore, some water-soluble ions and metal(oid)s were analysed in PM2.5 samples to be used as PM source tracers, whose concentrations were quite below the target levels set in the current legislation. Data obtained from principal component analysis (PCA) and PAHs molecular indices suggested a pyrogenic and petrogenic origin for PAHs, whereas occurrence of the remaining compounds seems to be attributed to resources used in the automotive industrial activity settled in the sampling area. Moreover, although a substantial anthropogenic source to PM2.5 in the area was observed, marine and soil resuspension contributions were also accounted. Finally, carcinogenic and non-carcinogenic risks posed by PM2.5-bound pollutants inhalation were assessed, being both averages within the safe level considering the whole period.
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Affiliation(s)
- Joel Sánchez-Piñero
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), Instituto Universitario de Medio Ambiente (IUMA), Department of Chemistry. Faculty of Sciences. Campus de A Coruña, s/n. 15071, A Coruña, Spain.
| | - Natalia Novo-Quiza
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), Instituto Universitario de Medio Ambiente (IUMA), Department of Chemistry. Faculty of Sciences. Campus de A Coruña, s/n. 15071, A Coruña, Spain
| | - Jorge Moreda-Piñeiro
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), Instituto Universitario de Medio Ambiente (IUMA), Department of Chemistry. Faculty of Sciences. Campus de A Coruña, s/n. 15071, A Coruña, Spain
| | - Isabel Turnes-Carou
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), Instituto Universitario de Medio Ambiente (IUMA), Department of Chemistry. Faculty of Sciences. Campus de A Coruña, s/n. 15071, A Coruña, Spain
| | - Soledad Muniategui-Lorenzo
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), Instituto Universitario de Medio Ambiente (IUMA), Department of Chemistry. Faculty of Sciences. Campus de A Coruña, s/n. 15071, A Coruña, Spain
| | - Purificación López-Mahía
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), Instituto Universitario de Medio Ambiente (IUMA), Department of Chemistry. Faculty of Sciences. Campus de A Coruña, s/n. 15071, A Coruña, Spain
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17
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Liu J, Wang Y, Wang Y, Li Y, Li H, Xu J, Liu X. Novel insights into probabilistic health risk and source apportionment based on bioaccessible potentially toxic elements around an abandoned e-waste dismantling site. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156372. [PMID: 35654206 DOI: 10.1016/j.scitotenv.2022.156372] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/06/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
The study of potentially toxic element (PTE) hazards around e-waste recycling areas has attracted increasing attention but does not consider elemental bioaccessibility. Here, the respiratory and oral bioaccessibilities were incorporated into probabilistic health risk evaluation and source contribution apportionment. The results showed that soil Cd yielded the highest respiratory and oral bioaccessibility, whereas Cr in soils and vegetables attained the lowest oral bioaccessibility. When incorporating metal bioaccessibility into health risk assessment, a 48.3%-55.7% overestimation of non-cancer and cancer risks can be avoided relative to the risk assessment based on the total concentrations of PTEs. More importantly, priority control metals were misidentified without consideration of bioaccessibility. Cadmium, As, and Cr were screened as the priority metal(loid)s for targeted risk control based on the total PTEs, whereas Cd, Zn, and Cu were the priority metal(loid)s based on the bioaccessible PTEs. Furthermore, source apportionment revealed that >50% of oral bioaccessible Cd, Cu, Ni, Pb, and Zn in farmland were contributed by e-waste dismantling activities, whereas bioaccessible As and Cr mainly originated from agrochemical applications and natural sources, respectively. This study emphasizes the refinement of risk estimation and source apportionment through metal bioaccessibility adjustment, which facilitates the realistic assessment of adverse health effects in humans and the precise identification of high-risk sources.
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Affiliation(s)
- Jian Liu
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Yiheng Wang
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Yanni Wang
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Yiren Li
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Hongbo Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Jianming Xu
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Xingmei Liu
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China.
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18
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Sánchez-Piñero J, Novo-Quiza N, Pernas-Castaño C, Moreda-Piñeiro J, Muniategui-Lorenzo S, López-Mahía P. Inhalation bioaccessibility of multi-class organic pollutants associated to atmospheric PM 2.5: Correlation with PM 2.5 properties and health risk assessment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119577. [PMID: 35688393 DOI: 10.1016/j.envpol.2022.119577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/25/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Inhalation exposure to fine particulate matter (PM2.5) represents a global concern due to the adverse effects in human health. In the last years, scientific community has been adopted the assessment of the PM2.5-bound pollutant fraction that could be released (bioaccessible fraction) in simulated lung fluids (SLFs) to achieve a better understanding of PM risk assessment and toxicological studies. Thus, bioaccessibility of 49 organic pollutants, including 18 polycyclic aromatic hydrocarbons (PAHs), 12 phthalate esters (PAEs), 11 organophosphorus flame retardants (OPFRs), 6 synthetic musk compounds (SMCs) and 2 bisphenols in PM2.5 samples was evaluated. The proposed method consists of a physiologically based extraction test (PBET) by using artificial lysosomal fluid (ALF) to obtain bioaccessible fractions, followed by a vortex-assisted liquid-liquid microextraction (VALLME) and a final analysis by programmed temperature vaporization-gas chromatography-tandem mass spectrometry (PTV-GC-MS/MS). The highest inhalation bioaccessibility ratio was found for bisphenol A (BPA) with an average of 83%, followed by OPFRs, PAEs and PAHs (with average bioaccessibilities of 68%, 41% and 34%, respectively). Correlations between PM2.5 composition (major ions, trace metals, equivalent black carbon (eBC) and UV-absorbing particulate matter (UVPM)) and bioaccessibility ratios were also assessed. Principal Component Analysis (PCA) suggested that PAHs, PAES and OPFRs bioaccessibility ratios could be positively correlated with PM2.5 carbonaceous content. Furthermore, both inverse and positive correlations on PAHs, PAEs and OPFRs bioaccessibilites could be accounted for some major ions and metal (oid)s associated to PM2.5, whereas no correlations comprising considered PM2.5 major ions and metal (oid)s contents and BPA bioaccessibility was observed. In addition, health risk assessment of target PM2.5-associated PAHs via inhalation was assessed in the study area considering both total and bioaccessible concentrations, being averaged human health risks within the safe carcinogenic and non-carcinogenic levels.
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Affiliation(s)
- Joel Sánchez-Piñero
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain.
| | - Natalia Novo-Quiza
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
| | - Cristina Pernas-Castaño
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
| | - Jorge Moreda-Piñeiro
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
| | - Soledad Muniategui-Lorenzo
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
| | - Purificación López-Mahía
- University of A Coruña, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
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Jia B, Tian Y, Dai Y, Chen R, Zhao P, Chu J, Feng X, Feng Y. Seasonal variation of dissolved bioaccessibility for potentially toxic elements in size-resolved PM: Impacts of bioaccessibility on inhalable risk and uncertainty. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119551. [PMID: 35649451 DOI: 10.1016/j.envpol.2022.119551] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 05/09/2022] [Accepted: 05/26/2022] [Indexed: 06/15/2023]
Abstract
The health effects of potentially toxic elements (PTEs) in airborne particulate matter (PM) are strongly dependent on their size distribution and dissolution. This study examined PTEs within nine distinct sizes of PM in a Chinese megacity, with a focus on their deposited and dissolved bioaccessibility in the human pulmonary region. A Multiple Path Particle Dosimetry (MPPD) model was used to estimate the deposited bioaccessibility, and an in-vitro experiment with simulated lung fluid was conducted for dissolved bioaccessibility. During the non-heating season, the dissolved bioaccessible fraction (DBF) of As, Cd, Co, Cr, Mn, Pb and V were greater in fine PM (aerodynamics less than 2.1 μm) than in coarse PM (aerodynamics between 2.1 and 10 μm), and vice versa for Ni. With the increased demand of heating, the DBF of Pb and As decreased in fine particle sizes, probably due to the presence of oxide/silicate compounds from coal combustion. Inhalation health risks based on the bioaccessible concentrations of PTEs displayed the peaks in <0.43 μm and 2.1-3.3 μm particulate sizes. The non-cancer risk was at an acceptable level (95th percentiles of hazard index (HI) was 0.49), but the cancer risk exceeded the threshold value (95th percentiles of total incremental lifetime cancer risk (TCR) was 8.91 × 10-5). Based on the results of uncertainty analysis, except for the exposure frequency, the total concentrations and DBF of As and Cr in <0.43 μm particle size segment have a greater influence on the uncertainty of probabilistic risk.
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Affiliation(s)
- Bin Jia
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, College of Environmental Science & Engineering, Nankai University, Tianjin, 300350, China
| | - Yingze Tian
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, College of Environmental Science & Engineering, Nankai University, Tianjin, 300350, China; CMA-NKU Cooperative Laboratory for Atmospheric Environment-Health Research, Tianjin, 300350, China.
| | - Yuqing Dai
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Rui Chen
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, College of Environmental Science & Engineering, Nankai University, Tianjin, 300350, China
| | - Peng Zhao
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, College of Environmental Science & Engineering, Nankai University, Tianjin, 300350, China
| | - Jingjing Chu
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, College of Environmental Science & Engineering, Nankai University, Tianjin, 300350, China
| | - Xin Feng
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, College of Environmental Science & Engineering, Nankai University, Tianjin, 300350, China
| | - Yinchang Feng
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, College of Environmental Science & Engineering, Nankai University, Tianjin, 300350, China; CMA-NKU Cooperative Laboratory for Atmospheric Environment-Health Research, Tianjin, 300350, China
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Inhalation Bioaccessibility and Risk Assessment of Metals in PM 2.5 Based on a Multiple-Path Particle Dosimetry Model in the Smelting District of Northeast China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19158915. [PMID: 35897292 PMCID: PMC9331668 DOI: 10.3390/ijerph19158915] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 02/01/2023]
Abstract
PM2.5 can deposit and partially dissolve in the pulmonary region. In order to be consistent with the reality of the pulmonary region and avoid overestimating the inhalation human health risk, the bioaccessibility of PM2.5 heavy metals and the deposition fraction (DF) urgently needs to be considered. This paper simulates the bioaccessibility of PM2.5 heavy metals in acidic intracellular and neutral extracellular deposition environments by simulating lung fluid. The multipath particle dosimetry model was used to simulate DF of PM2.5. According to the exposure assessment method of the U.S. Environmental Protection Agency, the inhalation exposure dose threshold was calculated, and the human health risk with different inhalation exposure doses was compared. The bioaccessibility of heavy metals is 12.1−36.2%. The total DF of PM2.5 in adults was higher than that in children, and children were higher than adults in the pulmonary region, and gradually decreased with age. The inhalation exposure dose threshold is 0.04−14.2 mg·kg−1·day−1 for the non-carcinogenic exposure dose and 0.007−0.043 mg·kg−1·day−1 for the carcinogenic exposure dose. Cd and Pb in PM2.5 in the study area have a non-carcinogenic risk to human health (hazard index < 1), and Cd has no or a potential carcinogenic risk to human health. A revised inhalation health risk assessment may avoid overestimation.
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Yu YQ, Luo HQ, Yang JY. Health risk of fluorine in soil from a phosphorus industrial area based on the in-vitro oral, inhalation, and dermal bioaccessibility. CHEMOSPHERE 2022; 294:133714. [PMID: 35065175 DOI: 10.1016/j.chemosphere.2022.133714] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 06/14/2023]
Abstract
Health risk of F in soil is of special concern due to the continuously elevated concentration of F in soil. However, there is still a dearth of risk assessments of F in soil based on in-vitro bioaccessibility posed by multiple exposure routes. Herein, the oral, inhalation, and dermal bioaccessibility of F in soil was firstly obtained by adapting and combining in-vitro methods, which then was introduced to remedy an information gap of a comprehensive risk of F in soil posed by a multi-exposure pathway. Combined in-vitro tests indicate the oral, inhalation, and dermal bioaccessibility of F was 13.15 ± 2.63%, 16.55 ± 2.63%, and 1.27 ± 0.73%, respectively. Plasma yielded a detoxic potential for the absorbed F after digesting in small intestine, while effects of enzymes, sweat, and food on the oral bioaccessibility of F were insignificant. Different with metals, the major dissolving phase of F was the interstitial fluid in the deep lung instead of in the alveolar macrophages intracellular environment. A potentially major release of F in the exocrine sweat was noted than in the apocrine sweat. Risk assessments based on the daily exposure incorporated with the in-vitro bioaccessibility suggested that compared with inhalation and dermal contact, oral ingestion was the main exposure route of F in soil to human. Present findings provide insights into the bioaccessibility and health risk of F in soil by multiple exposure routes, which are crucial for the risk control of F contamination in soil.
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Affiliation(s)
- Ya-Qi Yu
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Hou-Qiao Luo
- Sichuan Academy of Environmental Policy and Planning, Chengdu, 610065, China
| | - Jin-Yan Yang
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China.
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22
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Ruiz-Azcona L, Markiv B, Expósito A, Pozueta A, García-Martínez M, Fernández-Olmo I, Santibáñez M. Poorer cognitive function and environmental airborne Mn exposure determined by biomonitoring and personal environmental monitors in a healthy adult population. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 815:152940. [PMID: 35007600 DOI: 10.1016/j.scitotenv.2022.152940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/15/2021] [Accepted: 01/02/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND/AIM In the Santander Bay (Cantabria, northern Spain), a ferromanganese alloy plant is located. Our objective was to characterize the Mn personal exposure of adult healthy volunteers living in this highly Mn exposed region, and to determine its association with a poorer cognitive function. METHODS Cross-sectional study analyzing 130 consecutive participants. Cognitive function was assessed by Stroop Color Word, Verbal Fluency tests, Trail Making Test (TMT), Digit Span (WAIS III) and Rey Osterrieth Complex Figure (ROCF) tests and crude scores were standardized according to NEURONORMA norms. Exposure to Mn was assessed in terms of source distance, by Personal Environmental Monitors (PEMs) allowing the separation of fine (PM2.5) and coarse (PM10-2.5) particles (obtaining the bioaccessible fraction by in-vitro bioaccessibility tests), and by biomarkers (blood, hair and fingernails). Age, sex, study level and number of years of residence were predefined as confounding variables and adjusted Mean Differences (MDs) were obtained. RESULTS Statistically significant lower scores (negative MDs) in all test were observed when living near the industrial emission source, after adjusting for the predefined variables. Regarding PEMs results, statistically significant lower scores in all Stroop parts were obtained in participants with higher levels of Total Mn in All fractions (PM10). For Verbal Fluency tests, negative MDs were obtained for both bioaccessible fractions. Digit Span Backward scores were lower for those with higher levels in the bioaccessible coarse fraction, and negative MDs were also observed for the ROCF Delayed part and the non-bioaccessible fine fraction. As regards to Mn in fingernails, adjusted MDs of -1.60; 95%CI (-2.57 to -0.64) and -1.45; 95%CI (-2.29 to -0.61) for Digit Span Forward and Backward parts were observed. CONCLUSIONS Our results support an association between poorer cognitive function and environmental airborne Mn exposure.
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Affiliation(s)
- Laura Ruiz-Azcona
- Global Health Research Group. Dpto Enfermería, Universidad de Cantabria, Avda. Valdecilla, s/n., 39008 Santander, Cantabria, Spain
| | - Bohdana Markiv
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005 Santander, Cantabria, Spain
| | - Andrea Expósito
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005 Santander, Cantabria, Spain
| | - Ana Pozueta
- Service of Neurology, IDIVAL, University Hospital Marqués de Valdecilla, University of Cantabria, 39008 Santander, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, 28031 Madrid, Spain
| | - María García-Martínez
- Service of Neurology, IDIVAL, University Hospital Marqués de Valdecilla, University of Cantabria, 39008 Santander, Spain; CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, 28031 Madrid, Spain
| | - Ignacio Fernández-Olmo
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005 Santander, Cantabria, Spain
| | - Miguel Santibáñez
- Global Health Research Group. Dpto Enfermería, Universidad de Cantabria, Avda. Valdecilla, s/n., 39008 Santander, Cantabria, Spain; Nursing Research Group, IDIVAL, Calle Cardenal Herrera Oria s/n, 39011 Santander, Cantabria, Spain.
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Cigánková H, Mikuška P, Hegrová J, Krajčovič J. Comparison of oxidative potential of PM1 and PM2.5 urban aerosol and bioaccessibility of associated elements in three simulated lung fluids. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 800:149502. [PMID: 34388644 DOI: 10.1016/j.scitotenv.2021.149502] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/13/2021] [Accepted: 08/03/2021] [Indexed: 06/13/2023]
Abstract
PM1 and PM2.5 aerosol samples collected during four seasons were analysed for bioaccessibility of 21 elements and oxidative potential (OP) determined by the dithiothreitol (DTT) assay in three simulated lung fluids (SLFs): deionised water, simulated alveoli fluid and Gamble's solution. Most elements had higher bioaccessibility in the submicron fraction than in the fine size fraction. The bioaccessibility of the element not only depends on the aerosol size fraction, but also varies between the three SLFs. In addition, the bioaccessibility of elements depends on both their chemical compound and the composition of the SLF. A very high bioaccessibility (up to 98%) was observed for As, Sb and Cd in all studied SLFs. The lowest bioaccessibility was observed for Ti, Al and Fe. The OP of urban particulate matter (PM), was studied as a relevant metric for health effects. The difference of OP value in simulated alveoli fluid and Gamble's solution compared to deionised water indicate the crucial effect of individual SLFs' composition on the OP. The complexation of elements with different ligands present in the solution can influence OPDTT depletion and, therefore, the potential health effects of inhaled aerosol. The correlation coefficients between total or bioaccessible concentrations of studied elements and volume normalised OP were calculated to examine the relationship between the elements and the OP. The strong positive correlations between some elements (i.e. Cd, Pb, As, Zn, Sn, Cu, Co, Ni, Mn) and DTT activity suggest their participation in the oxidative activity of PM.
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Affiliation(s)
- H Cigánková
- Institute of Chemistry and Technology of Environmental Protection, Faculty of Chemistry, Brno University of Technology, Purkyňova 118, 612 00 Brno, Czech Republic; Department of Environmental Analytical Chemistry, Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic.
| | - P Mikuška
- Department of Environmental Analytical Chemistry, Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic
| | - J Hegrová
- Division of Sustainable Transport and Road Structures Diagnostics, Transport Research Center, Líšeňská 33a, 636 00 Brno, Czech Republic
| | - J Krajčovič
- Institute of Chemistry and Technology of Environmental Protection, Faculty of Chemistry, Brno University of Technology, Purkyňova 118, 612 00 Brno, Czech Republic
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Mishra A, Pervez S, Candeias C, Verma M, Bano S, Dugga P, Verma SR, Tamrakar A, Shafi S, Pervez YF, Gupta V. Bioaccessiblity features of particulate bound toxic elements: Review of extraction approaches, concentrations and health risks. J INDIAN CHEM SOC 2021. [DOI: 10.1016/j.jics.2021.100212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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25
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Ruiz-Azcona L, Markiv B, Expósito A, González-Aramburu I, Sierra M, Fernández-Olmo I, Santibáñez M. Biomonitoring and bioaccessibility of environmental airborne manganese in relation to motor function in a healthy adult population. Neurotoxicology 2021; 87:195-207. [PMID: 34678399 DOI: 10.1016/j.neuro.2021.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 10/14/2021] [Accepted: 10/14/2021] [Indexed: 11/15/2022]
Abstract
BACKGROUND/AIM Santander, the capital of Cantabria, Spain (172,000 inhabitants) is 7 km from an industrial emission source (IES) of Mn located in a 10,000 inhabitants town (Maliaño) (annual air Mn arithmetic mean = 231.8 ng/m3; reference WHO guideline = 150 ng/m3). Our objective was to compare the motor function of adult healthy volunteers living in both places. METHODS Cross-sectional study analyzing 130 consecutive participants. Exposure to Mn was assessed in terms of source distance from the IES, by Personal Environmental Monitors (PEMs) carried for 24 h by participants consisting of a portable impactor connected to a personal pump, and by biomarkers (blood, hair and fingernails). The impactor allowed the separation of fine (PM2.5) and coarse (PM10-2.5) particles and for each particle size in-vitro bioaccessibility tests with biologically active fluids were performed to separate the soluble (bioaccessible) from the insoluble (non-bioaccessible) fraction. Mean Differences (MDs) adjusted for age, sex, and study level, were obtained for motor function tests results. RESULTS Regarding Grooved Pegboard, overall mean time to complete the test was 59.31 and 65.27 seconds (Standard Deviation = 10.11 and 11.69) for dominant and nondominant hands respectively. Statistically significant higher times (indicating worse function) were observed when living near the IES in both hands but MDs of only 1.22 and 2.05 seconds were obtained after adjusting for the predefined confounders (p = 0.373 and 0.221 respectively). Regarding Mn levels in their PEMs (in both bioaccessible and non-bioaccessible coarse&fine fractions) higher times were computed in participants with higher levels for the bioaccessible-fine fraction, with a MD that diminished but still yielded statistical significance after controlling for confounding: adjusted MD = 3.01 more seconds; 95%CI (0.44-5.38), p = 0.022. Poorer results were also observed for fingernails levels. Regarding Finger Tapping Test, no statistically significant differences were found with the exception of Mn fingernails levels. CONCLUSIONS Our results suggest poorer motor function as assessed by Grooved Pegboard test in relation to "proximity to IES", "bioaccessible-fine fraction as determined by PEMs and "Mn fingernails levels". However, our findings were affected by confounding, and only the adjusted MD for the Mn bioaccessible-fine fraction remained of sufficient magnitude to maintain statistical significance.
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Affiliation(s)
- Laura Ruiz-Azcona
- Global Health Research Group, Dpto Enfermería, Universidad de Cantabria, Avda. Valdecilla, s/n, 39008, Santander, Cantabria, Spain
| | - Bohdana Markiv
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain
| | - Andrea Expósito
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain
| | - Isabel González-Aramburu
- Service of Neurology, Hospital Universitario Marqués de Valdecilla (HUMV-IDIVAL), Santander, Spain
| | - María Sierra
- Service of Neurology, Hospital Universitario Marqués de Valdecilla (HUMV-IDIVAL), Santander, Spain
| | - Ignacio Fernández-Olmo
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain
| | - Miguel Santibáñez
- Global Health Research Group, Dpto Enfermería, Universidad de Cantabria, Avda. Valdecilla, s/n, 39008, Santander, Cantabria, Spain; Nursing Research Group, IDIVAL, Calle Cardenal Herrera Oria s/n, 39011, Santander, Cantabria, Spain.
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26
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Yan L, Franco AM, Elio P. Health risk assessment via ingestion and inhalation of soil PTE of an urban area. CHEMOSPHERE 2021; 281:130964. [PMID: 34289622 DOI: 10.1016/j.chemosphere.2021.130964] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/04/2021] [Accepted: 05/16/2021] [Indexed: 06/13/2023]
Abstract
Potentially Toxic Elements (PTE) are common soil contaminants and pose a significant risk to human health. In this study, ingestion (<150 μm) and inhalation (<10 μm) bioaccessibility and human health risk due to PTE were investigated in soils of the urban and peri-urban area of Torino. Lead, Cd, Cu, and Zn were observed to be the most soluble elements in simulated gastric and lung fluids. Higher bioaccessible concentrations of Pb, Ni, Co and Sb were observed in the inhalable size fraction (<10 μm) compared to ingestible one probably because of the higher concentration in fine soil size fraction. Conversely, the relative bioaccessibility of Pb, Cu, Cd, Zn and As was lower, due to the different extracting conditions and to the presumable different elemental speciation. Average values suggested that PTE would be more bioavailable if ingested than inhaled, particularly in urban areas, were the bioaccessible percentages were always higher than in peri-urban sites. Health risk assessment was conducted using bioaccessible concentrations and their corresponding toxicities via ingestion and inhalation exposures. Unacceptable non-carcinogenic risk (HQ > 1) was found through ingestion exposure for children in some urban sites and Pb was the most hazardous elements. Carcinogenic risks were under the threshold levels for every soil (CR < 10-4), with Cr and As being the dominant contributors to risk. Therefore, necessary soil remediation activities are needed to reduce the risks of human, especially for children, exposure to Pb.
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Affiliation(s)
- Li Yan
- University of Turin, Department of Agricultural, Forest and Food Sciences, Grugliasco, 10095, Italy.
| | - Ajmone-Marsan Franco
- University of Turin, Department of Agricultural, Forest and Food Sciences, Grugliasco, 10095, Italy.
| | - Padoan Elio
- University of Turin, Department of Agricultural, Forest and Food Sciences, Grugliasco, 10095, Italy.
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Human Health Risk Assessment of Heavy Metals in the Urban Road Dust of Zhengzhou Metropolis, China. ATMOSPHERE 2021. [DOI: 10.3390/atmos12091213] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The goal of this research is to assess hazardous heavy metal levels in PM2.5 fractioned road dust in order to quantify the risk of inhalation and potential health effects. To accomplish this, Inductively Coupled Plasma Mass Spectroscopy (ICP-MS) was used to determine concentrations of eight heavy metals (Cr, Cu, Ni, Zn, Cd, As, Pb, and Hg) in the PM2.5 portion of road dust samples from five different land use areas (commercial, residential, industrial, parks, and educational) in Zhengzhou, China. The following were the average heavy metal concentrations in the city: Cr 46.26 mg/kg, Cu 25.13 mg/kg, Ni 12.51 mg/kg, Zn 152.35 mg/kg, Cd 0.56 mg/kg, As 11.53 mg/kg, Pb 52.15 mg/kg, and Hg 0.32 mg/kg. Two pollution indicators, the Pollution Index (PI) and the Geoaccumulation Index (Igeo), were used to determine the degree of contamination. Both PI and Igeo indicated the extreme pollution of Hg and Cd, while PI also ranked Zn in the extreme polluted range. The US Environmental Protection Agency (USEPA) model for adults and children was used to estimate health risks by inhalation. The results identified non-carcinogenic exposure of children to lead (HI > 0.1) in commercial and industrial areas. Both children and adults in Zhengzhou’s commercial, residential, and park areas are exposed to higher levels of copper (Cu), lead (Pb), and zinc (Zn).
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Physicochemical Properties of Indoor and Outdoor Particulate Matter 2.5 in Selected Residential Areas near a Ferromanganese Smelter. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18178900. [PMID: 34501491 PMCID: PMC8431365 DOI: 10.3390/ijerph18178900] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/30/2021] [Accepted: 08/15/2021] [Indexed: 12/13/2022]
Abstract
Particulate matter (PM) of different sizes and elemental composition is a leading contributor to indoor and outdoor air pollution in residential areas. We sought to investigate similarities between indoor and outdoor PM2.5 in three residential areas near a ferromanganese smelter in Meyerton to apportion the emission source(s). Indoor and outdoor PM2.5 samples were collected concurrently, using GilAir300 plus samplers, at a flow rate of 2.75 L/min. PM2.5 was collected on polycarbonate membrane filters housed in 37 mm cassettes coupled with PM2.5 cyclones. Scanning electron microscopy coupled with energy-dispersive spectroscopy was used to study the morphology, and inductively coupled plasma-mass spectroscopy was used to analyse the elemental composition of the PM2.5. Mean indoor and outdoor PM2.5 mass concentrations were 10.99 and 24.95 µg/m3, respectively. Mean outdoor mass concentration was 2.27-fold higher than the indoor concentration. Indoor samples consisted of irregular and agglomerated particles, ranging from 0.09 to 1.06 µm, whereas outdoor samples consisted of irregular and spherical particles, ranging from 0.10 to 0.70 µm. Indoor and outdoor PM2.5 were dominated by manganese, silicon, and iron, however, outdoor PM2.5 had the highest concentration of all elements. The ferromanganese smelter was identified as the potential main contributing source of PM2.5 of different physicochemical properties.
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Ren Y, Luo Q, Zhuo S, Hu Y, Shen G, Cheng H, Tao S. Bioaccessibility and public health risk of heavy Metal(loid)s in the airborne particulate matter of four cities in northern China. CHEMOSPHERE 2021; 277:130312. [PMID: 33774239 DOI: 10.1016/j.chemosphere.2021.130312] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/11/2021] [Accepted: 03/14/2021] [Indexed: 05/24/2023]
Abstract
Atmospheric coarse particulate matter (PM10) enriched with heavy metal(loid)s could pose potentially significant health risk to humans, while accurate health risk assessment calls for characterization of their bioaccessibility, besides the total contents. The health risk of major toxic heavy metal(loid)s in the PM10 from four large cities in northern China via inhalation was investigated based on their total contents and bioaccessibility. The annual mean concentrations of PM-bound Zn, As, Pb, and Mn in the atmosphere of the four cities were 650, 305, 227, and 177 ng⋅m-3, respectively. The levels of heavy metal(loid)s in the PM10 were generally higher in winter but lower in summer in all four cities, which resulted primarily from the emissions associated with coal combustion for district and household heating and the unfavorable meteorological conditions in winter. The bioaccessibility of heavy metal(loid)s in the PM10 ranged from 0.9 to 48.7%, following the general order of Mn > Co > Ni > Cd > Cu > As > Cr > Zn > Pb. Based on their total contents in the PM10, most heavy metal(loid)s posed significant public health risk via inhalation exposure in the four cities. However, after accounting for the bioaccessibility of metal(loid)s, the non-carcinogenic risk of most metal(loid)s was negligible, except for As in the PM10 of Jinzhong, while only the carcinogenic risk posed by Cr and As in the PM10 exceeded the acceptable level. These findings demonstrate the importance of characterizing the bioaccessibility of airborne PM-bound heavy metal(loid)s in health risk assessment and could guide the on-going efforts on reducing the public health risk of PM10 in northern China.
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Affiliation(s)
- Yuxuan Ren
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Qing Luo
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Shaojie Zhuo
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Yuanan Hu
- MOE Laboratory of Groundwater Circulation and Evolution, School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China
| | - Guofeng Shen
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Hefa Cheng
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
| | - Shu Tao
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
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Zhao Z, Luo XS, Jing Y, Li H, Pang Y, Wu L, Chen Q, Jin L. In vitro assessments of bioaccessibility and bioavailability of PM 2.5 trace metals in respiratory and digestive systems and their oxidative potential. JOURNAL OF HAZARDOUS MATERIALS 2021; 409:124638. [PMID: 33308920 DOI: 10.1016/j.jhazmat.2020.124638] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/24/2020] [Accepted: 11/18/2020] [Indexed: 06/12/2023]
Abstract
Air pollution is a serious environmental issue. As a key aerosol component, PM2.5 associated toxic trace metals pose significant health risks by inhalation and ingestion, but the evidences and mechanisms were insufficient and not well understood just by their total environmental concentrations. To accurately assess the potential risks of airborne metals, a series of in vitro physiologically based tests with synthetic human lung and gastrointestinal fluids were conducted to assess both the bioaccessibility and bioavailability of various PM2.5 bound metals in the respiratory and digestive systems from both urban and industrial areas of Nanjing city. Moreover, the chemical acellular toxicity test [dithiothreitol (DTT) assay] and source analysis were performed. Generally, the bioaccessibility and bioavailability of investigated metals were element and body fluid dependent. Source oriented metals in PM2.5 showed diverse bioaccessibility in different human organs. The PM2.5 induced oxidative potential was mainly contributed by the bioaccessible/bioavailable transition metals such as Fe, Ni and Co from metallurgic dust and traffic emission. Future researches on the toxicological mechanisms of airborne metals incorporating the bioaccessibility, bioavailability and toxicity tests are directions.
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Affiliation(s)
- Zhen Zhao
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Xiao-San Luo
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Yuanshu Jing
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Hongbo Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Yuting Pang
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Lichun Wu
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Qi Chen
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Ling Jin
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
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Liu Y, Hu J, Wang X, Jia J, Li J, Wang L, Hao L, Gao P. Distribution, bioaccessibility, and health risk assessment of heavy metals in PM 2.5 and PM 10 during winter heating periods in five types of cities in Northeast China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 214:112071. [PMID: 33690004 DOI: 10.1016/j.ecoenv.2021.112071] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 02/10/2021] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
PM2.5 and PM10 samples were collected from the outdoor environment of five types of cities (provincial central cities, regional central cities, resource-based cities, agricultural cities, and forested cities) situated in Northeast China. Based on bioaccessibility and respiratory deposition fluxes, health risks of PM2.5- and PM10-bound six heavy metals [HM6: Arsenic (As), Chromium (Cr), Cadmium (Cd), Nickel (Ni), Cobalt (Co), and Lead (Pb)] were studied. Cobalt (Co) and Cr were found to be the most abundantly bioaccessible fraction among HM6 after extraction of simulated lung fluids. After inhalation exposure, among HM6, Co mainly contributed 88.39-93.19% to the non-carcinogenic risk, while Cr account for 82.92-93.72% of cancer risk. The estimated daily intake of bioaccessible HM6 in outdoor environment during the heating period was calculated to be 293.11 ± 121.03, 117.08 ± 32.46, 105.57 ± 32.49, 100.35 ± 25.58 and 83.11 ± 17.64 ng/h for provincial central cities, regional central cities, agricultural city, resource-based cities and forested cities, respectively, for local residents. During the heating period of 180 days, non-carcinogenic risks (As, Cr, Cd, Ni, Co) in outdoor environment of 0.5 residence time were below the safety threshold (HQ < 1). Cancer risks for Cr and Co were above 10-5 in the five types of cities, but in the assumable range (< 10-4). Our study highlighted the wide range of measures needed to cut airborne particles pollution to safer levels.
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Affiliation(s)
- Yan Liu
- Department of Oncology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, PR China
| | - Jian Hu
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, PR China
| | - Xiran Wang
- Department of Oncology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, PR China
| | - Jing Jia
- Guangdong Environmental Monitoring Center, Guangzhou, PR China
| | - Jun Li
- Tianjin Key Laboratory of Water Resources and Environment, School of Geographic and Environmental Sciences, Tianjin Normal University, Tianjin, PR China
| | - Lei Wang
- Department of Oncology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, PR China
| | - Ling Hao
- Department of Oncology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, PR China
| | - Peng Gao
- School of Architectural Engineering, Guangzhou Panyu Polytechnic, Guangzhou, PR China.
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Innes E, Yiu HHP, McLean P, Brown W, Boyles M. Simulated biological fluids - a systematic review of their biological relevance and use in relation to inhalation toxicology of particles and fibres. Crit Rev Toxicol 2021; 51:217-248. [PMID: 33905298 DOI: 10.1080/10408444.2021.1903386] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The use of simulated biological fluids (SBFs) is a promising in vitro technique to better understand the release mechanisms and possible in vivo behaviour of materials, including fibres, metal-containing particles and nanomaterials. Applications of SBFs in dissolution tests allow a measure of material biopersistence or, conversely, bioaccessibility that in turn can provide a useful inference of a materials biodistribution, its acute and long-term toxicity, as well as its pathogenicity. Given the wide range of SBFs reported in the literature, a review was conducted, with a focus on fluids used to replicate environments that may be encountered upon material inhalation, including extracellular and intracellular compartments. The review aims to identify when a fluid design can replicate realistic biological conditions, demonstrate operation validation, and/or provide robustness and reproducibility. The studies examined highlight simulated lung fluids (SLFs) that have been shown to suitably replicate physiological conditions, and identify specific components that play a pivotal role in dissolution mechanisms and biological activity; including organic molecules, redox-active species and chelating agents. Material dissolution was not always driven by pH, and likewise not only driven by SLF composition; specific materials and formulations correspond to specific dissolution mechanisms. It is recommended that SLF developments focus on biological predictivity and if not practical, on better biological mimicry, as such an approach ensures results are more likely to reflect in vivo behaviour regardless of the material under investigation.
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Affiliation(s)
- Emma Innes
- Institute of Occupational Medicine (IOM), Edinburgh, UK
| | - Humphrey H P Yiu
- Chemical Engineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, UK
| | - Polly McLean
- Institute of Occupational Medicine (IOM), Edinburgh, UK
| | - William Brown
- Institute of Occupational Medicine (IOM), Edinburgh, UK
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Boim AGF, Patinha C, Wragg J, Cave M, Alleoni LRF. Respiratory bioaccessibility and solid phase partitioning of potentially harmful elements in urban environmental matrices. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 765:142791. [PMID: 33097248 DOI: 10.1016/j.scitotenv.2020.142791] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 09/28/2020] [Accepted: 09/29/2020] [Indexed: 06/11/2023]
Abstract
Studies regarding the role of geochemical processes in urban environmental matrices (UEM) and their influence on respiratory bioaccessibility in humans are scarce in humid tropical regions, especially in Brazil. Contaminated UEM are potentially hazardous to humans if particles <10 μm in diameter are inhaled and reach the tracheobronchial region. In this study, we evaluated samples collected in Brazilian UEMs with a large environmental liability left by former mining industries and in a city with strong industrial expansion. UEM samples were classified into soil, sediment and mine tailings according to the characteristics of the collection sites. The respiratory bioaccessibility of potentially harmful elements (PHE) was evaluated using artificial lysosomal fluid (ALF, pH 4.5), and the BCR-sequential extraction was performed to evaluate how the respiratory bioaccessibility of the PHE was related to the solid phase partitioning. The bioaccessible fraction (BAF) ranged from 54 to 98% for Cd; 21-89% for Cu; 46-140% for Pb, 35-88% for Mn and; 41-84% for Zn. The average BAF of the elements decreased in the following order: Soil: Cd > Pb > Mn > Zn > Cu; Tailing: Pb > Cd > Zn > Mn > Cu; and Sediments: Pb > Mn > Cd > Zn > Cu. BCR-fractions were useful to predict the PHE bioaccessibility (R2 = 0.79-0.98), thus suggesting that particle geochemistry and mineralogy can influence PHE behaviour in the pulmonary fluid. Therefore, this approach provides a combination of quantitative and qualitative data, which allows us to carry out a more realistic assessment of the current situation of the potentially contaminated site and possible alternatives for decision making by the stakeholders.
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Affiliation(s)
- Alexys Giorgia Friol Boim
- Department of Soil Science, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, São Paulo, Brazil.
| | - Carla Patinha
- GEOBIOTEC, Geosciences Department, Aveiro University, Campus de Santiago, 3810-193 Aveiro, Portugal
| | - Joanna Wragg
- British Geological Survey, Environmental Science Centre, Nicker Hill, Keyworth, Nottingham NG12 5GG, UK
| | - Mark Cave
- British Geological Survey, Environmental Science Centre, Nicker Hill, Keyworth, Nottingham NG12 5GG, UK
| | - Luís Reynaldo Ferracciú Alleoni
- Department of Soil Science, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, São Paulo, Brazil
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Corona Sánchez JE, González Chávez MDCA, Carrillo González R, Scheckel K, Tapia Maruri D, García Cue JL. Metal(loid) bioaccessibility of atmospheric particulate matter from mine tailings at Zimapan, Mexico. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:19458-19472. [PMID: 33394436 PMCID: PMC8895307 DOI: 10.1007/s11356-020-11887-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/30/2020] [Indexed: 05/31/2023]
Abstract
Metal(loid)s are contaminants of concern emitted as particulate matter (PM) from several pollution sources. The objective was to characterize potential exposure from local airborne metal(loid)s in a community in proximity to mine tailings. Air samples were collected weekly at five sites around the municipal mine tailings using two Hi-volume samplers for simultaneously collecting PM10 and PM2.5. Total suspended particulates (TSP), concentrations, speciation, and bioaccessibility of metal(loid)s were quantified. The size and form of particles were determined by scanning electron microscopy. The concentration of TSP (μg m-3) in the airborne samples ranged from 21.2 to 64.6 for PM2.5 and 23.6 to 80.1 for PM10. The profiles of analyzed quasi-total metal(loid) concentration from all sampling sites were similar between these aerosols PM sizes except at site 2 for Cd, at site 3 for Cu, and site 4 for Zn. The order of quasi-total metal(loid) concentration, in the airborne samples for both PM sizes, was As > Zn > Fe > Pb > Cu > Mn > Cd. As speciation included As-sulfite, As(III)-O, and As(V)-O with less concentration of As(III)-O in both PM sizes. Bioaccessible metal(loid) concentrations were very high and represented a great percentage from the quasi-total airborne concentrations, for instance, 10% and 37% for Pb and 8% and 6% for As in pulmonary and gastric bioaccessible concentrations, respectively. Knowing the toxic effects of these pollutants, there is an urgent need to establish environmental regulation of bioaccessible pollutant concentrations from PM dislodged from uncovered metal(loid) mine tailings affecting not only nearby human populations but also possible long-distance ecosystem transport.
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Affiliation(s)
| | | | - Rogelio Carrillo González
- Campus Montecillo, Colegio de Postgraduados, Carretera México Texcoco km, 36.5, CP 56230, Montecillo, Mexico.
| | - Kirk Scheckel
- Office of Research & Development, United States Environmental Protection Agency, Washington, D.C., USA
| | - Daniel Tapia Maruri
- Laboratorio de Microscopia Electrónica, Centro de Desarrollo de Productos Bióticos (CEPROBI), Yautepec, Morelos, Mexico
| | - José L García Cue
- Campus Montecillo, Colegio de Postgraduados, Carretera México Texcoco km, 36.5, CP 56230, Montecillo, Mexico
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Expósito A, Markiv B, Ruiz-Azcona L, Santibáñez M, Fernández-Olmo I. Understanding how methodological aspects affect the release of trace metal(loid)s from urban dust in inhalation bioaccessibility tests. CHEMOSPHERE 2021; 267:129181. [PMID: 33340883 DOI: 10.1016/j.chemosphere.2020.129181] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 11/18/2020] [Accepted: 12/01/2020] [Indexed: 05/12/2023]
Abstract
The bioaccessibility of metal(loid)s in ambient particulate matter (PM) has been recently used to represent the risk of inhalation exposure. Nevertheless, different methodological factors affect the bioaccessibility values; among these, the type and composition of surrogate biological fluids and the liquid to solid ratio have been revealed to be the most important. To better understand how these methodological aspects affect the bioaccessibility, a reference material corresponding to urban dust (SRM1648a) was contacted with synthetic biological fluids commonly used in the literature representing surrogate fluids that may interact with fine (Gamble's solutions, artificial lysosomal fluid (ALF)) and coarse particles (gastric fluid), for liquid to solid (L/S) ratios ranging from 500 to 20,000. Visual MINTEQ 3.1. was used to enhance the discussion on how the solubility of metals in the leaching solution depends on the composition of the simulated fluids and the speciation of metals. The results obtained indicate that a small change in the composition of Gamble's solution (the presence of glycine) may increase significantly the bioaccessibility at a L/S ratio of 5,000. The highest bioaccessibility of most of the studied metal(loid)s at a L/S ratio of 5,000 was found for ALF fluid. The study of the effect of the L/S ratio showed that metal(loid)s bioaccessibility in Gamble's fluid increased logarithmically with increasing L/S ratio, while it remained practically constant in ALF and gastric fluid. This different behavior is explained assuming that the leaching of metal(loid)s in Gamble's solution is solubility-controlled, while in ALF and gastric fluid is availability-controlled.
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Affiliation(s)
- A Expósito
- Department of Chemical and Biomolecular Engineering, Universidad de Cantabria, Spain.
| | - B Markiv
- Department of Chemical and Biomolecular Engineering, Universidad de Cantabria, Spain
| | - L Ruiz-Azcona
- Department of Nursing. Global Health Research Group, Universidad de Cantabria, Spain
| | - M Santibáñez
- Department of Nursing. Global Health Research Group, Universidad de Cantabria, Spain
| | - I Fernández-Olmo
- Department of Chemical and Biomolecular Engineering, Universidad de Cantabria, Spain
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Fernández-Olmo I, Mantecón P, Markiv B, Ruiz-Azcona L, Santibáñez M. A Review on the Environmental Exposure to Airborne Manganese, Biomonitoring, and Neurological/Neuropsychological Outcomes. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 254:85-130. [PMID: 32474705 DOI: 10.1007/398_2020_46] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The occupational exposure to airborne manganese (Mn) has been linked for decades with neurological effects. With respect to its environmental exposure, the first reviews on this matter stated that the risk posed to human health by this kind of exposure was still unknown. Later, many studies have been developed to analyze the association between environmental Mn exposure and health effects, most of them including the measure of Mn in selected human biomarkers. This review aims at collecting and organizing the literature dealing with the environmental airborne Mn exposure (other routes of exposure were intentionally removed from this review), the biomonitoring of this metal in different body matrices (e.g., blood, urine, nails, hair), and the association between exposure and several adverse health effects, such as, e.g., neurocognitive, neurodevelopmental, or neurobehavioral outcomes. From the different exposure routes, inhalation was the only one considered in this review, to take into account the areas influenced by industrial activities closely related to the Mn industry (ferromanganese and silicomanganese plants, Mn ore mines, and their processing plants) and by traffic in countries where a fuel additive, methylcyclopentadienyl manganese tricarbonyl (MMT), has been used for years. In these areas, high air Mn levels have been reported in comparison with the annual Reference Concentration (RfC) given by the US EPA for Mn, 50 ng/m3. This review was performed using Scopus and MEDLINE databases with a keyword search strategy that took into account that each valid reference should include at least participants that were exposed to environmental airborne Mn and that were subjected to analysis of Mn in biomarkers or subjected to neurological/neuropsychological tests or both. Overall, 47 references matching these criteria were included in the discussion. Most of them report the measure of Mn in selected biomarkers (N = 43) and the assessment of different neurological outcomes (N = 31). A negative association is usually obtained between Mn levels in hair and some neurological outcomes, such as cognitive, motor, olfactory, and emotional functions, but not always significant. However, other biomarkers, such as blood and urine, do not seem to reflect the chronic environmental exposure to low/moderate levels of airborne Mn. Further studies combining the determination of the Mn exposure through environmental airborne sources and biomarkers of exposure and the evaluation of at least cognitive and motor functions are needed to better understand the effects of chronic non-occupational exposure to airborne Mn.
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Affiliation(s)
- Ignacio Fernández-Olmo
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Santander, Cantabria, Spain.
| | - Paula Mantecón
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Santander, Cantabria, Spain
| | - Bohdana Markiv
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Santander, Cantabria, Spain
| | - Laura Ruiz-Azcona
- Global Health Research Group, Dpto. Enfermería, Universidad de Cantabria-IDIVAL, Santander, Cantabria, Spain
| | - Miguel Santibáñez
- Global Health Research Group, Dpto. Enfermería, Universidad de Cantabria-IDIVAL, Santander, Cantabria, Spain
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Sánchez-Piñero J, Moreda-Piñeiro J, Concha-Graña E, Fernández-Amado M, Muniategui-Lorenzo S, López-Mahía P. Inhalation bioaccessibility estimation of polycyclic aromatic hydrocarbons from atmospheric particulate matter (PM 10): Influence of PM 10 composition and health risk assessment. CHEMOSPHERE 2021; 263:127847. [PMID: 32814136 DOI: 10.1016/j.chemosphere.2020.127847] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 06/11/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) inhalation bioaccessibility was assessed in 65 atmospheric particulate matter samples (PM10) collected at an Atlantic coastal European urban site. The proposed method consists on a physiologically based extraction (PBET) by using Gamble's solution followed by a vortex assisted liquid-liquid micro-extraction (VALLME) and quantification by high performance liquid chromatography with fluorescence detection (HPLC-FLD). The use of a micro-extraction technique combined with FLD detection, provides a simple, fast, sensitive, accurate and low-cost methodology to PAHs quantification in bioaccessible fractions. Accuracy of the bioaccessibility study was assessed by means of a mass balance approaches using a PM10 filter and a certified reference material (ERM-CZ100). High-moderate inhalation bioaccessibilities were found for phenanthrene (Phe), fluoranthene (Ft) and pyrene (Pyr) (average ratios in the 52-65% range); while dibenz (a,h)anthracene (DBahA), indeno (1,2,3-cd)pyrene (IP) and benzo (g,h,i)perylene (BghiP) were observed to be less bioaccessibles (average ratios in the 11-14% range). Relationship between PM10 composition (major ions, trace metals, equivalent black carbon (eBC) and UV-absorbing particulate matter (UVPM)) and PAHs bioaccessibility ratios was also assessed. Principal Component Analysis (PCA) showed that PAHs bioaccessibility percentage is dependent on anthropogenic (eBC, UVPM and Sb concentrations) and marine sources of PM10. Predicted PAHs bioaccessibilities after applying a multiple linear regression model based on marine and anthropogenic source of PM10 could also be established. Health risk assessment of target PM10-associated PAHs via inhalation was assessed considering bioaccessibility concentrations by using hazard index (HI) and BaP equivalent concentration (BaPeq) approaches, suggesting no carcinogenic risk in the area during the sampling campaign.
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Affiliation(s)
- Joel Sánchez-Piñero
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Centro de Investigaciones Científicas Avanzadas (CICA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
| | - Jorge Moreda-Piñeiro
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Centro de Investigaciones Científicas Avanzadas (CICA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain.
| | - Estefanía Concha-Graña
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Centro de Investigaciones Científicas Avanzadas (CICA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
| | - María Fernández-Amado
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Centro de Investigaciones Científicas Avanzadas (CICA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
| | - Soledad Muniategui-Lorenzo
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Centro de Investigaciones Científicas Avanzadas (CICA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
| | - Purificación López-Mahía
- University of A Coruña. Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), Centro de Investigaciones Científicas Avanzadas (CICA), Department of Chemistry, Faculty of Sciences, Campus de A Coruña, S/n, 15071, A Coruña, Spain
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Moufarrej L, Courcot D, Ledoux F. Assessment of the PM 2.5 oxidative potential in a coastal industrial city in Northern France: Relationships with chemical composition, local emissions and long range sources. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 748:141448. [PMID: 32798879 DOI: 10.1016/j.scitotenv.2020.141448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 07/20/2020] [Accepted: 08/01/2020] [Indexed: 06/11/2023]
Abstract
The objective of this work was to relate PM2.5 Oxidative Potential (OP) data to PM composition and PM local and distant source contributions. PM2.5 collected in Dunkerque, a coastal industrial city in North of France, was extensively characterized for major and minor chemical species. PM2.5 filters were extracted using a synthetic pulmonary fluid to achieve OP estimation based on Ascorbic Acid (AA) and dithiothreitol (DTT) depletion assays. In order to evidence relationships between OP values, chemical composition and local and distant source contributions, correlation coefficient, Principal Component Analysis (PCA), concentration roses, polar plots and concentration weighted trajectories were used. Heterogeneous conclusions were drawn using the three first methods as the bivariate polar plots lead to dismiss some of the correlations evidenced using correlation coefficient and PCA. Both AA and DTT tests appeared complementary as they were not sensitive to the same species/source contribution. The bivariate polar plot representation of OP values versus wind direction and wind speed revealed that PM2.5 concentration and combustion sources were linked to OP-AA, whereas emissions from integrated steelworks, electric steelworks, heavy fuel oil combustion and traffic non-exhaust significantly contribute to OP-DTT. Sea-salts, aged sea-salts, crustal, secondary sulfates and secondary nitrates sources were not found to contribute to OP values. Constant weighted trajectories evidenced several source regions responsible for high OP values with Belgium, Germany, Netherlands and France at the leader position. Contribution of inland regions appeared possibly related to the biomass and traffic related combustion while heavy fuel oil combustion could also be involved in the contribution of marine and coastal areas.
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Affiliation(s)
- Lamia Moufarrej
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR CNRS 3417, Univ. Littoral Côte d'Opale, 145 avenue Maurice Schumann, 59140 Dunkerque, France
| | - Dominique Courcot
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR CNRS 3417, Univ. Littoral Côte d'Opale, 145 avenue Maurice Schumann, 59140 Dunkerque, France
| | - Frédéric Ledoux
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR CNRS 3417, Univ. Littoral Côte d'Opale, 145 avenue Maurice Schumann, 59140 Dunkerque, France.
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Moryani HT, Kong S, Du J, Bao J. Health Risk Assessment of Heavy Metals Accumulated on PM 2.5 Fractioned Road Dust from Two Cities of Pakistan. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E7124. [PMID: 33003379 PMCID: PMC7579555 DOI: 10.3390/ijerph17197124] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/23/2020] [Accepted: 09/25/2020] [Indexed: 12/12/2022]
Abstract
The aim of this study is to identify and investigate levels of toxic heavy metals in PM2.5 fractioned road dust to better understand the associated inhalation risk and potential health impacts. To achieve this aim, concentrations of seven traffic generated heavy metals (Cu, Pb, Zn, Cd, Ni, Sb, and Cr) were determined in the PM2.5 fraction of road dust samples from four different locations (offices, residential, hospital, and school) in two cities (Karachi and Shikarpur) of Pakistan using ICP-MS. The average concentration values of heavy metals in Karachi were as follows: 332.9 mg/kg Cu, 426.6 mg/kg Pb, 4254.4 mg/kg Zn, 62.3 mg/kg Cd, 389.7 mg/kg Ni, 70.4 mg/kg Sb, 148.1 mg/kg Cr, whereas the average concentration values of heavy metals in Shikarpur were 245.8 mg/kg Cu, 538.4 mg/kg Pb, 8351.0 mg/kg Zn, 57.6 mg/kg Cd, 131.7 mg/kg Ni, 314.5 mg/kg Sb, 346.6 mg/kg Cr. The pollution level was assessed through two pollution indices enrichment factor (EF) and geoaccumulation index (Igeo). These indices showed moderate to extreme level pollution in studied areas of both cities. The health risk assessment through inhalation contact was conducted according to the United States Environmental Protection Agency's (USEPA) model for children and adults. Both non-cancerous and cancerous risks were characterised in the road dust samples for each location. As yet, there is not a single study on the concentrations of heavy metals in PM2.5 fractions of road dust in Karachi and Shikarpur, findings of this research will facilitate researchers for further investigations in current field.
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Affiliation(s)
| | - Shuqiong Kong
- School of Environmental Studies, China University of Geosciences, Wuhan 430074, China; (H.T.M.); (J.D.)
| | | | - Jianguo Bao
- School of Environmental Studies, China University of Geosciences, Wuhan 430074, China; (H.T.M.); (J.D.)
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Kastury F, Karna RR, Scheckel KG, Juhasz AL. Correlation between lead speciation and inhalation bioaccessibility using two different simulated lung fluids. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 263:114609. [PMID: 33633430 PMCID: PMC7901787 DOI: 10.1016/j.envpol.2020.114609] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
This study investigated the relationship between lead (Pb) speciation determined using Extended X-ray Absorption Fine Structure (EXAFS) spectroscopy in <10 μm particulate matter (PM10) from mining/smelting impacted Australian soils (PP, BHK5, BHK6, BHK10 and BHK11) and inhalation exposure using two simulated lung fluids [Hatch's solution, pH 7.4 and artificial lysosomal fluid (ALF), pH 4.5]. Additionally, elemental composition of Pb rich regions in PP PM10 and the post-bioaccessibility assay residuals were assessed using a combination of Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDX) to provide insights into how extraction using simulated lung fluids may influence Pb speciation in vitro. Correlation between Pb speciation (weighted %) and bioaccessibility (%) was assessed using Pearson r (α = 0.1 and 0.05). Lead concentration in PM10 samples ranged from 782 mg/kg (BHK6) to 7796 mg/kg (PP). Results of EXAFS analysis revealed that PP PM10 was dominated by Pb adsorbed onto clay/oxide, while the four BHK PM10 samples showed variability in the weighted % of Pb adsorbed onto clay/oxide and organic matter bound Pb, Pb phosphate, anglesite and galena. When bioaccessibility was assessed using different in vitro inhalation assays, results varied between samples and between assays, Pb bioaccessibility in Hatch's solution ranged from 24.4 to 48.4%, while in ALF, values were significantly higher (72.9-96.3%; p < 0.05). When using Hatch's solution, bioaccessibility outcomes positively correlated to anglesite (r:0.6246, p:0.0361) and negatively correlated to Pb phosphate (r: -0.9610, p:0.0041), organic bound Pb (r: -0.7079, p: 0.0578), Pb phosphate + galena + plumbojarosite (r: -0.9350, p: 0.0099). No correlation was observed between Pb bioaccessibility (%) using Hatch's solution and weighted % of Pb adsorbed onto clay/oxide and between bioaccessibility (%) using ALF and any Pb species. SEM and EDX analysis revealed that a layer of O-Pb-Ca-P-Si-Al-Fe formed during the in vitro extraction using Hatch's solution.
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Affiliation(s)
- Farzana Kastury
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, SA, 5095, Australia
| | - Ranju R. Karna
- Bennett Aerospace Inc., 1100, Crescent Green Suite 250, Cary, NC, USA
| | - Kirk G. Scheckel
- United States Environmental Protection Agency, National Risk Management Research Laboratory, Land Remediation and Pollution Control Division, Cincinnati, OH, USA
| | - Albert L. Juhasz
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, SA, 5095, Australia
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Kastury F, Ritch S, Rasmussen PE, Juhasz AL. Influence of household smoking habits on inhalation bioaccessibility of trace elements and light rare earth elements in Canadian house dust. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:114132. [PMID: 32179218 DOI: 10.1016/j.envpol.2020.114132] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 01/24/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
In this study, total concentration and inhalation bioaccessibility (dissolution in simulated biological solution) of trace elements (TE) and rare earth elements (REE) were assessed in PM10 from Canadian house dust samples with smoking (n = 25) and non-smoking (n = 25) status. Compared to the natural background concentrations in Canadian soils, median Zn, Pb, Cd and Cu concentrations in PM10 were 10-23 fold higher, while median La, Ce and Pr concentrations were 1.6-2.4 fold higher. Mann-Whitney tests (α = 0.05) indicated no difference between the median TE concentrations based on the smoking status of the household; however, median REE concentrations were significantly higher in the PM10 of smoking households. Additionally, Cd and Ni were positively correlated (Spearman r, p < 0.05) to La, Ce and Nd in smoking households, suggesting that tobacco combustion may have contributed REE in the PM10 of these households. Median inhalation-ingestion bioaccessibility assay outcomes of arsenic (As) and lead (Pb) was higher in the non-smoking households when compared to smoking households (Mann Whitney test, α = 0.05), suggesting that tobacco combustion products may be associated with less soluble species of As and Pb. Although REE bioaccessibility was negligible in simulated lung epithelial fluid regardless of the smoking status of the household, bioaccessibility in the lung-gastric phase was 23.6-27.6% in the smoking household and 34.7-36.7% in the non-smoking households, indicating a significantly lower REE dissolution in PM10 of smoking households. In contrast, between 17 and 21.9% bioaccessibility of REE was observed when artificial lysosomal fluid was used, where the outcome was not significantly affected by the smoking status. This study indicates that despite a higher median REE concentration in the PM10 of smoking households, inhalation bioaccessibility may be significantly influenced by the mineralogy.
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Affiliation(s)
- Farzana Kastury
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, SA, 5095, Australia.
| | - Susie Ritch
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, SA, 5095, Australia
| | - Pat E Rasmussen
- Exposure and Biomonitoring Division, Environmental Health Science and Research Bureau, HECSB, Health Canada, Ottawa, ON, Canada
| | - Albert L Juhasz
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, SA, 5095, Australia
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Meza-Figueroa D, Barboza-Flores M, Romero FM, Acosta-Elias M, Hernández-Mendiola E, Maldonado-Escalante F, Pérez-Segura E, González-Grijalva B, Meza-Montenegro M, García-Rico L, Navarro-Espinoza S, Santacruz-Gómez K, Gallego-Hernández A, Pedroza-Montero M. Metal bioaccessibility, particle size distribution and polydispersity of playground dust in synthetic lysosomal fluids. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 713:136481. [PMID: 31954252 DOI: 10.1016/j.scitotenv.2019.136481] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 11/25/2019] [Accepted: 12/31/2019] [Indexed: 06/10/2023]
Abstract
Inhalation of playground dust-derived fine particles in schoolyards poses a risk from exposure to metal(oids) and minerals. In this work, we obtained the total concentration and bioaccessibility of metal(oids) with Gamble Solution (GS) and Artificial Lysosomal Fluid (ALF) synthetic solutions, simulating the extracellular neutral pH environment of the lung and the intracellular conditions of the macrophage, respectively. Scanning Electron Microscope (SEM), and Dynamic Light Scattering analysis (DLS) techniques were used to characterize particles with a size smaller than 2.5 μm, which can be assimilated by macrophages in the deep part of the lung. Arsenic (As), lead (Pb), copper (Cu), manganese (Mn), zinc (Zn), and iron (Fe) showed concentrations of 39.9, 147.9, 286, 1369, 2313, 112,457 mg·kg-1, respectively. The results indicated that all studied elements were enriched when compared to (i) local geochemical background and (ii) findings reported in other cities around the world. Bioaccessibility of metal(oids) in GS was low-moderate for most studied elements. However, in ALF assays, bioaccessibility was high among the samples: for lead (Pb = 34-100%), arsenic (As = 14.7-100%), copper (Cu = 17.9-100%), and zinc (Zn = 35-52%) possibly related to hydrophobic minerals in dust. SEM and DLS image analysis showed that playground dust particles smaller than 2.5 μm are dominant, particularly particles with a size range of 500-600 nm. The polydispersity detected in these particle sizes showed that most of them might be crystalline compounds (elongated shapes) forming agglomerates instead of combustion particles (spheres). Moreover, the circularity detected varies from 0.57 to 0.79 (low roundness), which corroborates this finding. The presence of agglomerates of ultrafine/nanoparticles containing highly bioaccessible metals in playground sites may have severe implications in children's health. Therefore, further studies are required to characterize the size distribution, structure, shape and composition of such minerals which are essential factors related to the toxicology of inhaled dust particles.
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Affiliation(s)
- Diana Meza-Figueroa
- Department of Geology, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico
| | - Marcelino Barboza-Flores
- Department of Physics Research, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico
| | - Francisco M Romero
- Institute of Geology, National University of Mexico, Ciudad Universitaria, Delegación Coyoacán, Ciudad de México 04510, Mexico
| | - Mónica Acosta-Elias
- Department of Physics Research, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico
| | - Ernesto Hernández-Mendiola
- Institute of Geology, National University of Mexico, Ciudad Universitaria, Delegación Coyoacán, Ciudad de México 04510, Mexico
| | | | - Efrén Pérez-Segura
- Department of Geology, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico
| | - Belem González-Grijalva
- Department of Geology, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico
| | | | - Leticia García-Rico
- Center of Research in Food and Development, A.C. Carretera a la Victoria km 0.6, Hermosillo, Sonora 83304, Mexico
| | - Sofía Navarro-Espinoza
- Nanotechnology PhD Program, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico
| | - Karla Santacruz-Gómez
- Physics Department, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico
| | - Ana Gallego-Hernández
- Department of Physics Research, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico
| | - Martín Pedroza-Montero
- Department of Physics Research, University of Sonora, Rosales y Encinas, Hermosillo, Sonora 83000, Mexico.
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Zhou X, Strezov V, Jiang Y, Yang X, Kan T, Evans T. Contamination identification, source apportionment and health risk assessment of trace elements at different fractions of atmospheric particles at iron and steelmaking areas in China. PLoS One 2020; 15:e0230983. [PMID: 32240214 PMCID: PMC7117772 DOI: 10.1371/journal.pone.0230983] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 03/12/2020] [Indexed: 11/19/2022] Open
Abstract
China has the largest share of global iron and steel production, which is considered to play a significant contribution to air pollution. This study aims to investigate trace element contamination at different fractions of particulate matter (PM) at industrial areas in China. Three PM fractions, PM2.1-9.0, PM1.1-2.1 and PM1.1, were collected from areas surrounding iron and steelmaking plants at Kunming, Wuhan, Nanjing and Ningbo in China. Multiple trace elements and their bioavailability, as well as Pb isotopic compositions, were analysed for identification of contaminants, health risk assessment and source apportionment. Results showed that PM particles in the sites near industrial areas were associated with a range of toxic trace elements, specifically As, Cr(VI), Cd and Mn, and posed significant health risks to humans. The isotopic Pb compositions identified that coal and high temperature metallurgical processes in the steelmaking process were the dominant contributors to local air pollution in these sites. In addition to iron and steelmaking activities, traffic emissions and remote pollution also played a contributing role in PM contamination, confirmed by the differences of Pb isotopic compositions at each PM fraction and statistical results from Preference Ranking Organization Method for Enrichment Evaluations (PROMETHEE) and Geometrical Analysis for Interactive Aid (GAIA). The results presented in this study provide a comprehensive understanding of PM emissions at iron and steelmaking areas, which helps to guide subsequent updates of air pollution control guidelines to efficiently minimise environmental footprint and ensure long term sustainability of the industries.
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Affiliation(s)
- Xiaoteng Zhou
- ARC Research Hub for Computational Particle Technology, Macquarie University, Sydney, New South Wales, Australia
- Department of Earth and Environmental Sciences, Macquarie University, Sydney, New South Wales, Australia
- * E-mail:
| | - Vladimir Strezov
- ARC Research Hub for Computational Particle Technology, Macquarie University, Sydney, New South Wales, Australia
- Department of Earth and Environmental Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Yijiao Jiang
- ARC Research Hub for Computational Particle Technology, Macquarie University, Sydney, New South Wales, Australia
- School of Engineering, Macquarie University, Sydney, New South Wales, Australia
| | - Xiaoxia Yang
- ARC Research Hub for Computational Particle Technology, Macquarie University, Sydney, New South Wales, Australia
- School of Engineering, Macquarie University, Sydney, New South Wales, Australia
| | - Tao Kan
- ARC Research Hub for Computational Particle Technology, Macquarie University, Sydney, New South Wales, Australia
- Department of Earth and Environmental Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Tim Evans
- ARC Research Hub for Computational Particle Technology, Macquarie University, Sydney, New South Wales, Australia
- Department of Earth and Environmental Sciences, Macquarie University, Sydney, New South Wales, Australia
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Onat B, Çalışkan NS, Şahin ÜA, Uzun B. Assessment of the health risk related to exposure to ultrafine, fine, and total particulates and metals in a metal finishing plant. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:4058-4066. [PMID: 31823257 DOI: 10.1007/s11356-019-06891-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 10/28/2019] [Indexed: 06/10/2023]
Abstract
The materials and byproducts of the processes used in the metal finishing industry are released as particle contaminants into the air in the workplace. The present study aimed to determine the concentrations and size distributions of these particles and of elements chromium, nickel, copper, manganese, cobalt, and lead (Cr, Ni, Cu, Mn, Co, and Pb, respectively) in a metal finishing industry and evaluate their potential health risks. Particles that are airborne from the dipping baths in the plant were sampled using a Sioutas cascade impactor at five different size fractions (PM>2.5, PM1.0-2.5, PM0.5-1.0, PM0.25-0.5, PM<0.25) and gravimetric analyses were conducted on the sampled filters. The GF-AAS 600 graphite atomic absorption spectrophotometer (PerkinElmer Corporation, Waltham, MA, USA) was used to analyze the elements and the method of USEPA was used to assess the health risk. The ratio of fine particles (PM2.5) to total suspended particles (TSPs) was 0.6. We observed that 50% of TSPs were composed of PM1.0 and that 68-88% of the metals were found in the fine particle fractions. Pb, Cr, and Mn were significantly positively correlated in the PM1.0 fraction, and the highest linear relationship was found between Pb and Cr (r = 0.85, p < 0.01). The total hazard quotient (HQ) for PM2.5 was 1.43, which is higher than the acceptable limit of 1.0. The excess lifetime cancer risk (ELCR) for hexavalent chromium (Cr[VI]) in PM2.5 was 6.09 × 10-5 for female workers and 6.54 × 10-5 for male workers, which are higher than the acceptable limit of 1.0 × 10-6, while total ELCRs for female and male workers were 6.21 × 10-5 and 6.21 × 10-5, respectively. The lifetime cancer risk associated with Cr(VI) in Cr electroplating plants should be taken into consideration as a significant health risk for the workers.
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Affiliation(s)
- Burcu Onat
- Faculty of Engineering, Environmental Engineering Department, Istanbul University-Cerrahpasa, 34320, Istanbul, Avcılar, Turkey.
| | - Nevran Sultan Çalışkan
- Faculty of Engineering, Environmental Engineering Department, Istanbul University-Cerrahpasa, 34320, Istanbul, Avcılar, Turkey
| | - Ülkü Alver Şahin
- Faculty of Engineering, Environmental Engineering Department, Istanbul University-Cerrahpasa, 34320, Istanbul, Avcılar, Turkey
| | - Burcu Uzun
- Faculty of Engineering, Environmental Engineering Department, Istanbul University-Cerrahpasa, 34320, Istanbul, Avcılar, Turkey
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Blondet I, Schreck E, Viers J, Casas S, Jubany I, Bahí N, Zouiten C, Dufréchou G, Freydier R, Galy-Lacaux C, Martínez-Martínez S, Faz A, Soriano-Disla M, Acosta JA, Darrozes J. Atmospheric dust characterisation in the mining district of Cartagena-La Unión, Spain: Air quality and health risks assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 693:133496. [PMID: 31376752 DOI: 10.1016/j.scitotenv.2019.07.302] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/28/2019] [Accepted: 07/19/2019] [Indexed: 05/05/2023]
Abstract
Nowadays, air pollution has a major impact on the environment and human health. Owen gauges allow the sampling of atmospheric depositions in polluted sites for further characterisation. This paper shows the study of the air particles of an old mining zone in Cartagena-La Unión (South-east of Spain) in order to quantify their potential risk on human health. There were 4 strategic sites monitored: the main mining tailing (Avenque), the urban area (La Unión), an agricultural zone (formerly mining) and a site in the Mediterranean coast. Physico-chemical and mineralogical characterisation was applied to atmospheric fallouts. The granulometry revealed a dust particle size around 15 μm, with the coarsest particles in the urban area and the thinnest at the tailing site. XRD analyses showed the presence of quartz, carbonates, sulphides and sulphates. Observations with SEM-EDX confirmed chemical spectra and allowed us to classify the particles into well-crystallised minerals and heterogeneous dusts. Total metal content determination was carried out by ICP-MS analyses and results showed Zn, Pb, As and Cd fluxes (respectively 2549, 1275, 68 and 7 μg·m-2·d-1) exceeding the limit values set by European legislations in the mining area. The fluxes of Zn, Pb and As also exceed these standards in the urban area whereas the coastal zone only exceeds the thresholds in the case of As. Inhalation health risk (defined by US EPA, 2009) was quantified in the sites using total and bioaccessible metal contents of the dusts. Risk calculations using total metal content considering a residential scenario showed acceptable risk for all sites except for the mining tailing which presented non-acceptable cancer and hazard risk mainly due to the total As and Pb contents. When considering the bioaccessible fraction of As and Pb, the risk diminished to acceptable values, demonstrating the overestimation produced when using total metal contents.
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Affiliation(s)
- Isalyne Blondet
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Université de Toulouse, CNRS, IRD, 14 avenue E. Belin, 31400 Toulouse, France
| | - Eva Schreck
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Université de Toulouse, CNRS, IRD, 14 avenue E. Belin, 31400 Toulouse, France.
| | - Jérôme Viers
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Université de Toulouse, CNRS, IRD, 14 avenue E. Belin, 31400 Toulouse, France
| | - Sandra Casas
- EURECAT, Centre Tecnològic de Catalunya, Plaça de la Ciència 2, 08243 Manresa, Spain
| | - Irene Jubany
- EURECAT, Centre Tecnològic de Catalunya, Plaça de la Ciència 2, 08243 Manresa, Spain
| | - Neus Bahí
- EURECAT, Centre Tecnològic de Catalunya, Plaça de la Ciència 2, 08243 Manresa, Spain
| | - Cyril Zouiten
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Université de Toulouse, CNRS, IRD, 14 avenue E. Belin, 31400 Toulouse, France
| | - Grégory Dufréchou
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Université de Toulouse, CNRS, IRD, 14 avenue E. Belin, 31400 Toulouse, France
| | - Rémi Freydier
- HydroSciences UMR 5569, CNRS, Universités Montpellier I & II, IRD, Place Eugène Bataillon, CC MSE, 34095 Montpellier Cedex 5, France
| | - Corinne Galy-Lacaux
- Laboratoire d'Aérologie, Université Toulouse III Paul Sabatier, CNRS, France
| | - Silvia Martínez-Martínez
- Sustainable Use, Management and Reclamation of Soil and Water Research Group (GARSA), Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - Angel Faz
- Sustainable Use, Management and Reclamation of Soil and Water Research Group (GARSA), Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - Martin Soriano-Disla
- Sustainable Use, Management and Reclamation of Soil and Water Research Group (GARSA), Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - Jose A Acosta
- Sustainable Use, Management and Reclamation of Soil and Water Research Group (GARSA), Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - José Darrozes
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Université de Toulouse, CNRS, IRD, 14 avenue E. Belin, 31400 Toulouse, France
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Liu X, Ouyang W, Shu Y, Tian Y, Feng Y, Zhang T, Chen W. Incorporating bioaccessibility into health risk assessment of heavy metals in particulate matter originated from different sources of atmospheric pollution. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 254:113113. [PMID: 31484101 DOI: 10.1016/j.envpol.2019.113113] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 07/28/2019] [Accepted: 08/24/2019] [Indexed: 05/09/2023]
Abstract
Rapid industrialization and urbanization have resulted in widespread pollution of airborne particulate matter (PM) containing various heavy metals with adverse human-health effects. Health risk assessment of PM calls for accurate evaluation of the bioaccessibility, instead of the total content, of heavy metals in PM. Here, we demonstrated that the leachable fraction of particle-bound As, Pb, Cr, Mn, Cd, Cu, Ni and Zn in lung fluid within the typical retention duration of particles in human lungs varied drastically among particles originated from different air pollution sources, including coal combustion, biomass combustion, fugitive dust, road dust, construction dust, cement and soil. Moreover, bioaccessibility of heavy metals, particularly in biomass combustion, cement and soil particles, was strongly dependent on pollution sources, and the particulate Cu, Ni, Pb and Cd appeared to be the primary indicators of the source dependence of heavy metal bioaccessibility. Using total rather than bioaccessible concentrations of particle-bound heavy metals not only led to overestimation of the health risk of source particles, but more importantly, inaccurate identification of the high-risk pollution sources and the priority metal pollutants in the source particles. When considering bioaccessibility of particle-bound heavy metals examined in this study, coal combustion products exhibited the highest carcinogenic and noncarcinogenic risks among all source particles, whereas cement particles would be the source with highest risk based on total metal content. As and Mn appeared to be the main drivers for the noncarcinogenic risks of source particles, while As, Ni and Cr were the major contributors to the carcinogenic risks of source particles, significantly different from those based on total contents. This research underlines the importance of incorporating bioaccessibility into health risk indexes of frequently occurring particle-bound heavy metals from specific air pollution sources, which will facilitate risk-based assessment of source contribution and hence effective source regulation of airborne PM.
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Affiliation(s)
- Xinlei Liu
- College of Environmental Science and Engineering, Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Nankai University, Tianjin, 300350, China
| | - Wanyue Ouyang
- College of Environmental Science and Engineering, Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Nankai University, Tianjin, 300350, China
| | - Yiling Shu
- College of Environmental Science and Engineering, Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Nankai University, Tianjin, 300350, China
| | - Yingze Tian
- College of Environmental Science and Engineering, State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Nankai University, Tianjin, 300350, China
| | - Yinchang Feng
- College of Environmental Science and Engineering, State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Nankai University, Tianjin, 300350, China
| | - Tong Zhang
- College of Environmental Science and Engineering, Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Nankai University, Tianjin, 300350, China.
| | - Wei Chen
- College of Environmental Science and Engineering, Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, Nankai University, Tianjin, 300350, China
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Xing W, Zhao Q, Scheckel KG, Zheng L, Li L. Inhalation bioaccessibility of Cd, Cu, Pb and Zn and speciation of Pb in particulate matter fractions from areas with different pollution characteristics in Henan Province, China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 175:192-200. [PMID: 30901636 DOI: 10.1016/j.ecoenv.2019.03.062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/13/2019] [Accepted: 03/14/2019] [Indexed: 05/09/2023]
Abstract
Windowsill particulate matter (PM) samples were collected from an area near large lead-smelting facilities in Jiyuan (JP), the urban area of Jiyuan (JU) and the peri-urban area of Mianchi (MC) in Henan, China to investigate the concentration and inhalation bioaccessibility of Cd, Cu, Pb and Zn. The <10 μm portions of the samples were extracted with simulated lung fluid to assess the in vitro inhalation bioaccessibility. Lower concentrations of heavy metals were found in the MC samples than in the JP and the JU samples. The average concentrations of Pb, Cd and Cu in the portions of the same size are in the order of JP samples > JU samples > MC samples. For Pb, Cd and Zn, the maximum inhalation bioaccessibility fraction values are all found in the MC samples, which ranged 3.87-8.79%, while those of the JP and the JU samples are <2%. The Pb speciation analysis with X-ray absorption spectrometry indicate mineral bound Pb, PbS and Pb3(PO4)2 are the predominant Pb species in the JP samples; for the JU sample, organic bound Pb is the predominant Pb species in the 45-125 μm portion, while mineral bound Pb is the predominant Pb species in the 10-45 μm portion; for the MC samples, organic bound Pb is the predominant Pb species, followed by PbS. The results indicate that there is significant accumulation of Pb, Cd, Cu and Zn associated with PM in the area near the lead smelter and in the urban area of Jiyuan, especially Pb and Cd, however, the inhalation bioaccessibility of these metals in samples from the lead smelting impacted area is low, this may be due to the higher proportion of less soluble species of the metals in the samples from this area. However, organic matter bound Pb found in some samples has higher bioaccessibility than other Pb species.
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Affiliation(s)
- Weiqin Xing
- School of Chemistry and the Environment, Henan University of Technology, Zhengzhou, Henan, 450001, China
| | - Qiang Zhao
- School of Chemistry and the Environment, Henan University of Technology, Zhengzhou, Henan, 450001, China
| | - Kirk G Scheckel
- U. S. Environmental Protection Agency, National Risk Management Research Laboratory, Cincinnati, OH, 45268, USA
| | - Lirong Zheng
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Liping Li
- School of Chemistry and the Environment, Henan University of Technology, Zhengzhou, Henan, 450001, China.
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Cannizzaro A, Angelosanto F, Barrese E, Campopiano A. Biosolubility of high temperature insulation wools in simulated lung fluids. J Occup Med Toxicol 2019; 14:15. [PMID: 31114626 PMCID: PMC6518706 DOI: 10.1186/s12995-019-0235-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 04/25/2019] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE Biosolubility is an important parameter in the understanding of mechanisms involved in pulmonary toxicity of fibrous materials. It can be studied in vitro using models of simulated lung fluids and observing the loss of structural molecules, expressed as dissolution constant (Kdis). The aim of this paper was the study of dissolution behaviour of four wools belonging to high temperature insulation wools (HTIW) in saline solutions simulating lung fluids. METHODS Four HTIW were studied in saline solutions at pH 7.4 (representative of the extracellular environment) and 4.5 (representative of the intracellular conditions): refractory ceramic fibers (RCF), two alkaline earth silicate wools (AES1 and AES2 with high calcium and magnesium content respectively), and polycrystalline wools (PCW). Size, morphological and chemical changes of fibers were observed by scanning electron microscopy (SEM) with energy-dispersive X-ray spectrometry (EDS) and inductively coupled plasma atomic emission spectrometry (ICP-AES). RESULTS RCF, AES2 and PCW did not show statistically significant diameter changes. AES1 size distribution shifted to a larger mean diameter suggesting that through dissolution there was a preferential loss of thin fibers at acid pH after 14 days of treatment.Both AES wools showed selective leaching of alkali/alkali earth oxides (incongruent dissolution) at pH 7.4: a fast and extensive selective leaching of calcium for AES1 with complete dissolution of fibers already after 14 days of treatment and a moderate selective leaching of magnesium for AES2. PCW showed some transversal breakage of the fibers in both pH environments (low congruent dissolution). For RCF, the treatment produced uncorroded fibers in both pH environments without chemical changes and fiber fragmentation (no dissolution).The estimated Kdis at physiological pH followed the sequence: AES1 > AES2 > PCW > RCF. All wools had a low Kdis at acid pH suggesting a low dissolution rate of short fibers. CONCLUSION The leaching process and transverse fragmentation play an important role in the biopersistence mechanisms and pathogenicity of fibers and the Kdis estimate is undoubtedly useful as a preliminary toxicological screening of fibers, especially for developing fibers.
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Affiliation(s)
- Annapaola Cannizzaro
- Department of Medicine, Epidemiology, Occupational and Environmental Hygiene, National Institute for Insurance against Accidents at Work-INAIL Research Area, Via Fontana Candida, 00078 Monte Porzio Catone, Rome Italy
| | - Federica Angelosanto
- Department of Medicine, Epidemiology, Occupational and Environmental Hygiene, National Institute for Insurance against Accidents at Work-INAIL Research Area, Via Fontana Candida, 00078 Monte Porzio Catone, Rome Italy
| | - Elena Barrese
- Department of Medicine, Epidemiology, Occupational and Environmental Hygiene, National Institute for Insurance against Accidents at Work, 88046 Lamezia Terme, Catanzaro, Italy
| | - Antonella Campopiano
- Department of Medicine, Epidemiology, Occupational and Environmental Hygiene, National Institute for Insurance against Accidents at Work-INAIL Research Area, Via Fontana Candida, 00078 Monte Porzio Catone, Rome Italy
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Luo X, Zhao Z, Xie J, Luo J, Chen Y, Li H, Jin L. Pulmonary bioaccessibility of trace metals in PM 2.5 from different megacities simulated by lung fluid extraction and DGT method. CHEMOSPHERE 2019; 218:915-921. [PMID: 30609496 DOI: 10.1016/j.chemosphere.2018.11.079] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 11/09/2018] [Accepted: 11/12/2018] [Indexed: 06/09/2023]
Abstract
Atmospheric fine particulate matters (PM2.5) pose significant risks to human health through inhalation, especially in the rapidly developing China due to air pollution. The harmful effects of PM2.5 are determined not only by its concentrations and hazardous components from diverse sources, but more by their bioavailable fractions actually absorbed by human body. To accurately estimate the inhalation risks of airborne metals, a physiologically based bioaccessibility method combining Simulated Lung Fluid (SLF) extraction and Diffusive Gradients in Thin-films (DGT) approaches was developed, representing the dissolution of particulate metals into lung fluid and the subsequent lung absorption of free metal cations in solution, respectively. The new method was used to compare the lung bioaccessibility of typical trace metals in PM2.5 from three China megacities (Shanghai and Nanjing in the east, Guangzhou in south) during heavy pollution seasons. Generally, the SLF bioaccessibility (%) simulating the solubility of particulate metals in alveolar lung fluid was in order of Ni > Cd > Mn » Pb, while the succeeding DGT bioaccessibility representing labile metal fractions in solution phase absorbed directly by lung was lower and ranked as Ni ∼ Mn > Cd » Pb, thus Ni and Cd posed relatively higher potential risks owing to their high air pollution level and higher pulmonary bioaccessibility. Due to varied particle sources such as coal combustion and traffic emissions, some airborne metal concentrations (Pb, Ni) showed inconsistent spatial patterns with bulk PM2.5 concentrations, and also varied bioaccessibility in different regions. The framework for PM2.5 pollution risk assessments should be refined by considering both aerosol components and associated pollutants' bioaccessibility.
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Affiliation(s)
- Xiaosan Luo
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China.
| | - Zhen Zhao
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China
| | - Jiawen Xie
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Jun Luo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210046, China
| | - Yan Chen
- International Center for Ecology, Meteorology, and Environment, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China
| | - Hongbo Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210046, China
| | - Ling Jin
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
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