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Vari HK, Roslund MI, Oikarinen S, Nurminen N, Puhakka R, Parajuli A, Grönroos M, Siter N, Laitinen OH, Hyöty H, Rajaniemi J, Rantalainen AL, Sinkkonen A. Associations between land cover categories, gaseous PAH levels in ambient air and endocrine signaling predicted from gut bacterial metagenome of the elderly. CHEMOSPHERE 2021; 265:128965. [PMID: 33248729 DOI: 10.1016/j.chemosphere.2020.128965] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 11/05/2020] [Accepted: 11/10/2020] [Indexed: 06/12/2023]
Abstract
There is evidence that polycyclic aromatic hydrocarbons (PAHs) and human gut microbiota are associated with the modulation of endocrine signaling pathways. Independently, studies have found associations between air pollution, land cover and commensal microbiota. We are the first to estimate the interaction between land cover categories associated with air pollution or purification, PAH levels and endocrine signaling predicted from gut metagenome among urban and rural populations. The study participants were elderly people (65-79 years); 30 lived in rural and 32 in urban areas. Semi-Permeable Membrane devices were utilized to measure air PAH concentrations as they simulate the process of bioconcentration in the fatty tissues. Land cover categories were estimated using CORINE database and geographic information system. Functional orthologues for peroxisome proliferator-activated receptor (PPAR) pathway in endocrine system were analyzed from gut bacterial metagenome with Kyoto Encyclopaedia of Genes and Genomes. High coverage of broad-leaved and mixed forests around the homes were associated with decreased PAH levels in ambient air, while gut functional orthologues for PPAR pathway increased along with these forest types. The difference between urban and rural PAH concentrations was not notable. However, some rural measurements were higher than the urban average, which was due to the use of heavy equipment on active farms. The provision of air purification by forests might be an important determining factor in the context of endocrine disruption potential of PAHs. Particularly broad-leaved forests around homes may reduce PAH levels in ambient air and balance pollution-induced disturbances within commensal gut microbiota.
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Affiliation(s)
- Heli K Vari
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, Lahti, Finland
| | - Marja I Roslund
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, Lahti, Finland
| | - Sami Oikarinen
- Tampere University, Faculty of Medicine and Health Technology, Arvo Ylpönkatu 34, Tampere, Finland
| | - Noora Nurminen
- Tampere University, Faculty of Medicine and Health Technology, Arvo Ylpönkatu 34, Tampere, Finland
| | - Riikka Puhakka
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, Lahti, Finland
| | - Anirudra Parajuli
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, Lahti, Finland
| | - Mira Grönroos
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, Lahti, Finland
| | - Nathan Siter
- Tampere University, Faculty of Built Environment, Korkeakoulunkatu 5, Tampere, Finland
| | - Olli H Laitinen
- Tampere University, Faculty of Medicine and Health Technology, Arvo Ylpönkatu 34, Tampere, Finland
| | - Heikki Hyöty
- Tampere University, Faculty of Medicine and Health Technology, Arvo Ylpönkatu 34, Tampere, Finland
| | - Juho Rajaniemi
- Tampere University, Faculty of Built Environment, Korkeakoulunkatu 5, Tampere, Finland
| | - Anna-Lea Rantalainen
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, Lahti, Finland
| | - Aki Sinkkonen
- Natural Resources Institute Finland, Horticulture Technologies, Itäinen Pitkäkatu 4, Turku, Finland.
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Wania F, Shunthirasingham C. Passive air sampling for semi-volatile organic chemicals. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2020; 22:1925-2002. [PMID: 32822447 DOI: 10.1039/d0em00194e] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
During passive air sampling, the amount of a chemical taken up in a sorbent from the air without the help of a pump is quantified and converted into an air concentration. In an equilibrium sampler, this conversion requires a thermodynamic parameter, the equilibrium sorption coefficient between gas-phase and sorbent. In a kinetic sampler, a time-averaged air concentration is obtained using a sampling rate, which is a kinetic parameter. Design requirements for kinetic and equilibrium sampling conflict with each other. The volatility of semi-volatile organic compounds (SVOCs) varies over five orders of magnitude, which implies that passive air samplers are inevitably kinetic samplers for less volatile SVOCs and equilibrium samplers for more volatile SVOCs. Therefore, most currently used passive sampler designs for SVOCs are a compromise that requires the consideration of both a thermodynamic and a kinetic parameter. Their quantitative interpretation depends on assumptions that are rarely fulfilled, and on input parameters, that are often only known with high uncertainty. Kinetic passive air sampling for SVOCs is also challenging because their typically very low atmospheric concentrations necessitate relatively high sampling rates that can only be achieved without the use of diffusive barriers. This in turn renders sampling rates dependent on wind conditions and therefore highly variable. Despite the overall high uncertainty arising from these challenges, passive air samplers for SVOCs have valuable roles to play in recording (i) spatial concentration variability at scales ranging from a few centimeters to tens of thousands of kilometers, (ii) long-term trends, (iii) air contamination in remote and inaccessible locations and (iv) indoor inhalation exposure. Going forward, thermal desorption of sorbents may lower the detection limits for some SVOCs to an extent that the use of diffusive barriers in the kinetic sampling of SVOCs becomes feasible, which is a prerequisite to decreasing the uncertainty of sampling rates. If the thermally stable sorbent additionally has a high sorptive capacity, it may be possible to design true kinetic samplers for most SVOCs. In the meantime, the passive air sampling community would benefit from being more transparent by rigorously quantifying and explicitly reporting uncertainty.
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Affiliation(s)
- Frank Wania
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario M1C 1A4, Canada.
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Roslund MI, Rantala S, Oikarinen S, Puhakka R, Hui N, Parajuli A, Laitinen OH, Hyöty H, Rantalainen AL, Sinkkonen A. Endocrine disruption and commensal bacteria alteration associated with gaseous and soil PAH contamination among daycare children. ENVIRONMENT INTERNATIONAL 2019; 130:104894. [PMID: 31220749 DOI: 10.1016/j.envint.2019.06.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/31/2019] [Accepted: 06/02/2019] [Indexed: 05/04/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are priority environmental pollutants that cause adverse health effects. PAHs belong to endocrine signaling disruptors to which children are sensitive to. Recent evidence suggests that PAH pollution alters the abundance of environmental bacteria that is associated with health outcomes. The alteration of environmental and commensal microbiota by PAH pollution has never been connected to endocrine signaling pathways. To estimate the risk of endocrine disruption in daycare children, we measured PAHs from soil and air of eleven urban daycare centres in Finland. We analyzed daycare yards' soil and children's gut and skin bacterial communities with 16S rRNA gene metabarcoding and used Kyoto Encyclopaedia of Genes and Genomes database to categorize endocrine signaling pathways. We also assessed the PAH hazard to children's health based on the current risk assesments. We observed associations between signaling pathways in endocrine system and gaseous PAH levels in ambient air. Peroxisome proliferator-activated receptor and adipocytokine signaling pathway decreased with higher chrysene concentration in the air. Soil PAH contamination was associated with altered Actinobacteria, Bacteoridetes and Proteobacteria communities on children's skin and in daycare yard soil. However, adjusted genera were not the same in soil and on skin, with the exception of Mycobacterium that was associated with higher PAH concentrations both in soil and on the skin. Even though fluoranhtene levels were above the current threshold values, total PAHs were below safety threshold values and based on current risk assessments there is a minor risk for child health. Our findings indicate that PAH concentrations that are considered safe may interfere with endocrine signaling by commensal microbiota and alter both environmental and commensal bacterial communities. The imbalance in human microbiota and the decrease in signaling pathways may contribute to emerging public health problems, including inflammatory disorders, obesity and diabetes. Therefore, the optimal risk assessments of PAHs and theoretically also other contaminants shaping commensal microbiota may need to take into account the possibility of the disruption of endocrine signaling pathways.
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Affiliation(s)
- Marja I Roslund
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140 Lahti, Finland.
| | - Sonja Rantala
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140 Lahti, Finland
| | - Sami Oikarinen
- Faculty of Medicine and Life Technology, Tampere University, Tampere, Finland
| | - Riikka Puhakka
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140 Lahti, Finland
| | - Nan Hui
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140 Lahti, Finland
| | - Anirudra Parajuli
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140 Lahti, Finland
| | - Olli H Laitinen
- Faculty of Medicine and Life Technology, Tampere University, Tampere, Finland
| | - Heikki Hyöty
- Faculty of Medicine and Life Technology, Tampere University, Tampere, Finland
| | - Anna-Lea Rantalainen
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140 Lahti, Finland
| | - Aki Sinkkonen
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140 Lahti, Finland
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Palacio IC, Barros SB, Roubicek DA. Water-soluble and organic extracts of airborne particulate matter induce micronuclei in human lung epithelial A549 cells. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2016; 812:1-11. [DOI: 10.1016/j.mrgentox.2016.11.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 10/31/2016] [Accepted: 11/07/2016] [Indexed: 10/20/2022]
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Érseková A, Hilscherová K, Klánová J, Giesy JP, Novák J. Effect-based assessment of passive air samples from four countries in Eastern Europe. ENVIRONMENTAL MONITORING AND ASSESSMENT 2014; 186:3905-16. [PMID: 24532343 DOI: 10.1007/s10661-014-3667-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Accepted: 01/28/2014] [Indexed: 05/07/2023]
Abstract
Although passive sampling has been previously used for the monitoring of volatile and semi-volatile contaminants in air, there are limited data on the use of this technique coupled with bioassays based on specific biological responses. Biological responses including those mediated by the aryl hydrocarbon (AhR) receptor as well as (anti-)estrogenicity and (anti-)androgenicity of samples from four Eastern European countries (Lithuania, Slovakia, Romania, and Serbia) were determined. To address the potential differences of specific toxic potencies of pollutant mixtures in ambient air in Eastern Europe, each country was characterized by a single more remote location that served to determine regional background conditions and one location in more urbanized and industrialized locations, which were defined as "impacted" areas. Besides samples from Lithuania, a significant gradient in concentrations of AhR-mediated potency from background and impacted localities was observed. Greatest potencies were measured in samples from impacted locations in Romania and Slovakia. Concentrations of polycyclic aromatic hydrocarbons (PAHs) that were quantified accounted for 3-33 % of the 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents determined by use of the bioassay. No significant estrogenic potency was detected but anti-estrogenic effects were produced by air from two background locations (Lithuania, Slovakia) and three impacted locations (Lithuania, Romania, and Serbia). Anti-androgenic potency was observed in all samples. The greatest anti-estrogenic potency was observed at the background location in Slovakia. Anti-estrogenic and anti-androgenic potencies of studied air samples were probably associated with compounds that are not routinely monitored. The study documents suitability of passive air sampling for the assessment of specific toxic potencies of ambient air pollutants.
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Affiliation(s)
- Anita Érseková
- Faculty of Science, RECETOX, Masaryk University, Kamenice 753/5, 62500, Brno, Czech Republic
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Mesquita SR, van Drooge BL, Reche C, Guimarães L, Grimalt JO, Barata C, Piña B. Toxic assessment of urban atmospheric particle-bound PAHs: relevance of composition and particle size in Barcelona (Spain). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 184:555-562. [PMID: 24184377 DOI: 10.1016/j.envpol.2013.09.034] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Revised: 09/27/2013] [Accepted: 09/28/2013] [Indexed: 06/02/2023]
Abstract
Zebrafish embryotoxicity and dioxin-like activity levels were tested for particulate air samples from an urban background site in Barcelona (Spain). Samples were collected during 14 months, and maximal values for both biological activities corresponded to samples collected during late autumn months, correlating with elevated PAH levels. Vehicle and combustion emissions appeared as the potentially most toxic sources, whereas total PM mass and mineral content appeared to be poor predictors of the biological activity of the samples. Samples simultaneously collected at different particle size cut-offs (10, 2.5, and 1 μm) did not differ significantly in dioxin-like PAH levels and biological activity, indicating that the sub-micron particle fraction (PM1) concentrated essentially all observed toxicity. Our results support the need for a tighter control on sub-micron particle emissions and show that total PM mass and, particularly, PM10, may not fully characterize the toxic potential of air samples.
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Affiliation(s)
- Sofia Raquel Mesquita
- IDAEA-CSIC - Institute of Environmental Assessment and Water Research, Jordi Girona 18, 08034 Barcelona, Spain; CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, P 4050-123 Porto, Portugal; FCUP - Faculty of Sciences, University of Porto, Department of Biology, Rua do Campo Alegre, 4169-007 Porto, Portugal
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Matzke MM, Allan SE, Anderson KA, Waters KM. An approach for calculating a confidence interval from a single aquatic sample for monitoring hydrophobic organic contaminants. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2012; 31:2888-92. [PMID: 22997050 PMCID: PMC3581149 DOI: 10.1002/etc.2014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Revised: 03/09/2012] [Accepted: 08/13/2012] [Indexed: 05/06/2023]
Abstract
The use of passive sampling devices (PSDs) for monitoring hydrophobic organic contaminants in aquatic environments can entail logistical constraints that often limit a comprehensive statistical sampling plan, thus resulting in a restricted number of samples. The present study demonstrates an approach for using the results of a pilot study designed to estimate sampling variability, which in turn can be used as variance estimates for confidence intervals for future n = 1 PSD samples of the same aquatic system. Sets of three to five PSDs were deployed in the Portland Harbor Superfund site for three sampling periods over the course of two years. The PSD filters were extracted and, as a composite sample, analyzed for 33 polycyclic aromatic hydrocarbon compounds. The between-sample and within-sample variances were calculated to characterize sources of variability in the environment and sampling methodology. A method for calculating a statistically reliable and defensible confidence interval for the mean of a single aquatic passive sampler observation (i.e., n = 1) using an estimate of sample variance derived from a pilot study is presented. Coverage probabilities are explored over a range of variance values using a Monte Carlo simulation.
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Affiliation(s)
- Melissa M Matzke
- Computational Biology and Bioinformatics, Pacific Northwest National Laboratory, Richland, WA, USA.
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Allan SE, Smith BW, Tanguay RL, Anderson KA. Bridging environmental mixtures and toxic effects. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2012; 31:2877-87. [PMID: 23001962 PMCID: PMC3502726 DOI: 10.1002/etc.2018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Revised: 07/23/2012] [Accepted: 08/20/2012] [Indexed: 05/04/2023]
Abstract
Biological Response Indicator Devices Gauging Environmental Stressors (BRIDGES) is a bioanalytical tool that combines passive sampling with the embryonic zebrafish developmental toxicity bioassay to provide a quantitative measure of the toxicity of bioavailable complex mixtures. Passive sampling devices (PSDs), which sequester and concentrate bioavailable organic contaminants from the environment, were deployed in the Willamette and Columbia Rivers within and outside of the Portland Harbor Superfund site in Portland, OR, USA. Six sampling events were conducted in the summer and fall of 2009 and 2010. Passive sampling device extracts were analyzed for polycyclic aromatic hydrocarbon (PAH) compounds and screened for 1,201 chemicals of concern using deconvolution-reporting software. The developmental toxicity of the extracts was analyzed using the embryonic zebrafish bioassay. The BRIDGES tool provided site-specific, temporally resolved information about environmental contaminant mixtures and their toxicity. Multivariate modeling approaches were applied to paired chemical and toxic effects data sets to help unravel chemistry-toxicity associations. Modeling elucidated spatial and temporal trends in PAH concentrations and the toxicity of the samples and identified a subset of PAH analytes that were the most highly correlated with observed toxicity. Although the present study highlights the complexity of discerning specific bioactive compounds in complex mixtures, it demonstrates methods for associating toxic effects with chemical characteristics of environmental samples.
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Affiliation(s)
- Sarah E. Allan
- Environmental and Molecular Toxicology Department, Oregon State University, ALS 1007, Corvallis, OR 97331
| | - Brian W. Smith
- Environmental and Molecular Toxicology Department, Oregon State University, ALS 1007, Corvallis, OR 97331
| | - Robert L. Tanguay
- Environmental and Molecular Toxicology Department, Oregon State University, ALS 1007, Corvallis, OR 97331
| | - Kim A. Anderson
- Environmental and Molecular Toxicology Department, Oregon State University, ALS 1007, Corvallis, OR 97331
- To whom correspondence may be addressed: Kim Anderson, Oregon State University, Environmental and Molecular Toxicology Department, ALS Rm. 1007, Corvallis, OR 97331, Phone: 541-737-8501, Fax: 541-737-0497,
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Allan SE, Smith BW, Anderson KA. Impact of the deepwater horizon oil spill on bioavailable polycyclic aromatic hydrocarbons in Gulf of Mexico coastal waters. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2012; 46:2033-9. [PMID: 22321043 PMCID: PMC3471659 DOI: 10.1021/es202942q] [Citation(s) in RCA: 205] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
An estimated 4.1 million barrels of oil and 2.1 million gallons of dispersants were released into the Gulf of Mexico during the Deepwater Horizon oil spill. There is a continued need for information about the impacts and long-term effects of the disaster on the Gulf of Mexico. The objectives of this study were to assess bioavailable polycyclic aromatic hydrocarbons (PAHs) in the coastal waters of four Gulf Coast states that were impacted by the spill. For over a year, beginning in May 2010, passive sampling devices were used to monitor the bioavailable concentration of PAHs. Prior to shoreline oiling, baseline data were obtained at all the study sites, allowing for direct before and after comparisons of PAH contamination. Significant increases in bioavailable PAHs were seen following the oil spill, however, preoiling levels were observed at all sites by March 2011. A return to elevated PAH concentrations, accompanied by a chemical fingerprint similar to that observed while the site was being impacted by the spill, was observed in Alabama in summer 2011. Chemical forensic modeling demonstrated that elevated PAH concentrations are associated with distinctive chemical profiles.
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Affiliation(s)
| | | | - Kim A. Anderson
- Corresponding Author: , Phone: 541-737-8501, Fax: 541-737-0497
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Bohlin P, Jones KC, Strandberg B. Field evaluation of polyurethane foam passive air samplers to assess airborne PAHs in occupational environments. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2010; 44:749-754. [PMID: 20000814 DOI: 10.1021/es902318g] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
There is a need for simple air sampling techniques to enable routine monitoring of the occupational exposure to polycyclic aromatic hydrocarbons (PAHs) in compliance with occupational exposure limits. Other gas-phase contaminants can be monitored in workplaces using passive samplers but this is currently not the case for PAHs. Here, polyurethane foam (PUF) disk passive air samplers (PAS), routinely used for outdoor air monitoring of PAHs and POPs, were assessed for their suitability in an indoor occupational environment against: ability to accumulate detectable levels within 1-2 weeks; quantitative sampling of benzo(a)pyrene (BaP), precision, uptake kinetics, influence of shelter design, and performance of 16 deuterated PAHs as depuration compounds (DCs). Sampling rates (R-values) for PAHs in PUF-PAS, estimated by comparison to low-volume active samplers, and the loss of DCs, varied for individual PAHs (1-10 m(3) day(-1)) but were found to be in the same order of magnitude for both gas-phase and particle-associated PAHs including BaP. Only one PAH (Acy) fulfilled the DC criteria of >40% loss during the 2 week exposure. These results suggest that PUF-PAS are potentially useful tools for PAHs in occupational environments in screening workplaces and identifying sources/hotspots - although unlikely to replace active sampling.
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Affiliation(s)
- Pernilla Bohlin
- Department of Occupational and Environmental Medicine, The Sahlgrenska Academy at University of Gothenburg, SE-40530 Gothenburg, Sweden.
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Kennedy K, Macova M, Bartkow ME, Hawker DW, Zhao B, Denison MS, Mueller JF. Effect based monitoring of seasonal ambient air exposures in Australia sampled by PUF passive air samplers. ATMOSPHERIC POLLUTION RESEARCH 2010; 1:50-58. [PMID: 21552507 PMCID: PMC3087176 DOI: 10.5094/apr.2010.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
There has been relatively little bioanalytical effect based monitoring conducted using samples derived from polyurethane foam (PUF) passive air samplers. Combining these techniques may provide a more convenient and cost effective means of monitoring the potential for biological effects resulting from exposure to complex mixtures in a range of scenarios. Seasonal polycyclic aromatic hydrocarbon (PAH) levels were monitored at sites around Australia using direct chemical analysis. In addition, both indirect acting genotoxicity (umuC assay) and aryl hydrocarbon receptor (AhR) activity (chemically activated fluorescent gene expression [CAFLUX assay]), which are effects potentially relevant to subsequent carcinogenesis for these compounds, were measured. The levels of PAHs as well as genotoxicity and AhR activity were all higher in winter compared to summer and for sites in urban capital cities compared to other locations. Statistically significant relationships were found between the levels of PAHs and both genotoxicity and AhR activity. The dominant contributors to the total AhR activity, were found to be for compounds which are not resistant to H(2)SO(4)/silica gel treatment and were relatively rapidly metabolised that is consistent with a PAH type response. Relative potency estimates for individual PAHs determined for the first time on the CAFLUX assay were used to estimate the proportion of total AhR activity (≤ 3.0%) accounted by PAHs monitored. Observed responses are thus largely due to non-quantified AhR active compounds.
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Affiliation(s)
- Karen Kennedy
- The University of Queensland, Entox (The National Research Centre for Environmental Toxicology), Brisbane QLD 4108, Australia
| | - Miroslava Macova
- The University of Queensland, Entox (The National Research Centre for Environmental Toxicology), Brisbane QLD 4108, Australia
| | - Michael E. Bartkow
- The University of Queensland, Entox (The National Research Centre for Environmental Toxicology), Brisbane QLD 4108, Australia
| | - Darryl W. Hawker
- School of Environment, Griffith University, Nathan QLD 4111, Australia
| | - Bin Zhao
- Department of Environmental Toxicology, University of California, Davis CA 95616, USA
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Science, Beijing, China
| | - Michael S. Denison
- Department of Environmental Toxicology, University of California, Davis CA 95616, USA
| | - Jochen F. Mueller
- The University of Queensland, Entox (The National Research Centre for Environmental Toxicology), Brisbane QLD 4108, Australia
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Zabiegała B, Kot-Wasik A, Urbanowicz M, Namieśnik J. Passive sampling as a tool for obtaining reliable analytical information in environmental quality monitoring. Anal Bioanal Chem 2009; 396:273-96. [PMID: 19924407 DOI: 10.1007/s00216-009-3244-4] [Citation(s) in RCA: 125] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2009] [Revised: 09/24/2009] [Accepted: 10/15/2009] [Indexed: 11/28/2022]
Abstract
Passive sampling technology has been developing very quickly for the past 20 years, and is widely used for monitoring pollutants in different environments, for example air, water, and soil. It has many significant advantages, including simplicity, low cost, no need for expensive and complicated equipment, no power requirements, unattended operation, and the ability to produce accurate results. The present generation of passive samplers enables detection and analysis of bioavailable pollutants at low and very low concentrations and investigation of the environmental concentration of organic and inorganic pollutants not only on the local scale but also on continental and global scales. This review describes the current application of passive sampling techniques in environmental analysis and monitoring, under both equilibrium and non-equilibrium conditions.
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Affiliation(s)
- Bozena Zabiegała
- Department of Analytical Chemistry Chemical Faculty, Gdansk University of Technology, 11/12 G. Narutowicza Str., 80-233, Gdańsk, Poland.
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Kennedy K, Macova M, Leusch F, Bartkow ME, Hawker DW, Zhao B, Denison MS, Mueller JF. Assessing indoor air exposures using passive sampling with bioanalytical methods for estrogenicity and aryl hydrocarbon receptor activity. Anal Bioanal Chem 2009; 394:1413-21. [PMID: 19430962 PMCID: PMC2864012 DOI: 10.1007/s00216-009-2825-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2008] [Revised: 04/13/2009] [Accepted: 04/24/2009] [Indexed: 10/20/2022]
Abstract
Passive air sampling was undertaken using polyurethane foam passive air samplers at three types of locations, including indoors (six offices) at buildings in the central business district (CBD) and at a private suburban home (indoor and outdoor) located 9 km from the CBD in Brisbane, Queensland, Australia. Estrogenic (E-SCREEN--MCF7-BOS) and aryl hydrocarbon receptor (AhR) (CAFLUX--H4G1.1c2) activity were assessed for samples collected from each of these locations. The samples were tested either as crude extracts ("untreated") or were subjected to H2SO4 silica gel ("treated") for each location in order to determine whether chemicals, which are not resistant to this treatment like polycyclic aromatic hydrocarbons, potentially account for the observed activity. In most cases, H2SO4 treatment resulted in a statistically significant reduction of potency for both endpoints, suggesting that chemicals less resistant to treatment may be responsible for much of the detected biological activity in these locations. Estrogenic potency measurements (<0.22-185 pg m(-3)) were highest in the indoor offices, followed by the indoor suburban home and finally the outdoor suburban home (which was not estrogenic). Total AhR activity for crude extracts (1.3-10 pg m(-3)) however was highest for the outdoor suburban home site. Levels of polycyclic aromatic hydrocarbons were monitored indoors and outdoors at the suburban home. At that location, polycyclic aromatic hydrocarbon air concentrations were on average approximately two times higher outdoor than indoor, while AhR potency was five times higher outdoor than indoor. No significant correlation was found between the estrogenic and AhR activity (P = 0.88) for the sites in this study.
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Affiliation(s)
- Karen Kennedy
- EnTox (The National Research Centre for Environmental Toxicology), The University of Queensland, Brisbane, QLD 4108, Australia.
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