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Wang S, He P, Wu X, Zan F, Yuan Z, Zhou J, Xu M. It's time to reevaluate the list of priority polycyclic aromatic compounds: Evidence from a large urban shallow lake. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:173988. [PMID: 38889819 DOI: 10.1016/j.scitotenv.2024.173988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 05/16/2024] [Accepted: 06/11/2024] [Indexed: 06/20/2024]
Abstract
Monitoring only 16 priority PAHs (Pri-PAHs) may greatly underestimate the pollutant load and toxicity of polycyclic aromatic compounds (PACs) in aquatic environments. There is an urgent need to reevaluate the list of priority PACs. To determine which PACs deserve priority monitoring, the occurrence, sources, and toxicity of 78 PACs, including 24 parent PAHs (Par-PAHs), 49 alkylated PAHs (Alk-PAHs), 3 oxygenated PAHs (OPAHs), carbazole, and dibenzothiophene were investigated for the first time in Lake Chaohu sediments, China. Concentrations of ∑Par-PAHs, ∑Alk-PAHs, and ∑OPAHs ranged from 35 to 165, 3.4-26, and 7.7-26 ng g-1, respectively. Concentrations of 16 Pri-PAHs have decreased by 1-2 orders of magnitude compared to a decade ago, owing to the effective implementation of PAHs emission control measures. Comparisons with the sediment quality guidelines indicated that 16 Pri-PAHs have negligible adverse effects on benthic organisms. Positive matrix factorization (PMF) model results showed that coal combustion was the major source of PACs (accounting for 23.5 %), followed by traffic emissions (23.4 %), petroleum volatilization (21.9 %), wood/biomass combustion (18.2 %), and biological/microbial transformation (13.1 %). The toxicity of PACs was assessed by calculating the BaP toxic equivalent concentrations (TEQBaP) and toxic units. It was found that Par-PAHs were the predominant toxic substances. In addition, monomethyl-BaPs, OPAHs, BeP, and 7,12-DMBaA should be prioritized for monitoring due to their noticeable contributions to overall toxicity. The contributions of different sources to the toxicity of PACs were determined based on PMF model results and TEQBaP values, which revealed that combustion sources mainly contributed to the comprehensive toxicity of PACs in Lake Chaohu sediments.
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Affiliation(s)
- Shanshan Wang
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui 241002, PR China; Wuhu Dongyuan New Country Developing Co., Ltd., Wuhu, Anhui 241000, PR China; Center of Cooperative Innovation for Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt, Wuhu, Anhui 241002, PR China; CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Pengpeng He
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui 241002, PR China; Center of Cooperative Innovation for Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt, Wuhu, Anhui 241002, PR China
| | - Xiaoguo Wu
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui 241002, PR China; Center of Cooperative Innovation for Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt, Wuhu, Anhui 241002, PR China.
| | - Fengyu Zan
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui 241002, PR China; Center of Cooperative Innovation for Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt, Wuhu, Anhui 241002, PR China
| | - Zijiao Yuan
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui 241002, PR China; Center of Cooperative Innovation for Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt, Wuhu, Anhui 241002, PR China
| | - Jiale Zhou
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui 241002, PR China; Center of Cooperative Innovation for Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt, Wuhu, Anhui 241002, PR China
| | - Miaoqing Xu
- Anhui Provincial Engineering Laboratory of Water and Soil Pollution Control and Remediation, School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui 241002, PR China; Center of Cooperative Innovation for Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt, Wuhu, Anhui 241002, PR China
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Downham RP, Gannon B, Lozano DCP, Jones HE, Vane CH, Barrow MP. Tracking the history of polycyclic aromatic compounds in London through a River Thames sediment core and ultrahigh resolution mass spectrometry. JOURNAL OF HAZARDOUS MATERIALS 2024; 473:134605. [PMID: 38768537 DOI: 10.1016/j.jhazmat.2024.134605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/27/2024] [Accepted: 05/11/2024] [Indexed: 05/22/2024]
Abstract
Polycyclic aromatic compounds (PACs), including polycyclic aromatic hydrocarbons (PAHs) and heteroatom-containing analogues, constitute an important environmental contaminant class. For decades, limited numbers of priority PAHs have been routinely targeted in pollution investigations, however, there is growing awareness for the potential occurrence of thousands of PACs in the environment. In this study, untargeted Fourier transform ion cyclotron resonance mass spectrometry was used for the molecular characterisation of PACs in a sediment core from Chiswick Ait, in the River Thames, London, UK. Using complex mixture analysis approaches, including aromaticity index calculations, the number of molecular PAC components was determined for eight core depths, extending back to the 1930s. A maximum of 1676 molecular compositions representing PACs was detected at the depth corresponding to the 1950s, and a decline in PAC numbers was observed up the core. A case linking the PACs to London's coal consumption history is presented, alongside other possible sources, with some data features indicating pyrogenic origins. The overall core profile trend in PAC components, including compounds with oxygen, sulfur, nitrogen, and chlorine atoms, is shown to broadly correspond to the 16 priority PAH concentration profile trend previously determined for this core. These findings have implications for other industry-impacted environments.
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Affiliation(s)
- Rory P Downham
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
| | - Benedict Gannon
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
| | | | - Hugh E Jones
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
| | - Christopher H Vane
- British Geological Survey, Organic Geochemistry Facility, Keyworth NG12 5GG, UK
| | - Mark P Barrow
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK.
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3
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Qu G, Liu G, Zhao C, Yuan Z, Yang Y, Xiang K. Detection and treatment of mono and polycyclic aromatic hydrocarbon pollutants in aqueous environments based on electrochemical technology: recent advances. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:23334-23362. [PMID: 38436845 DOI: 10.1007/s11356-024-32640-3] [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: 11/09/2023] [Accepted: 02/21/2024] [Indexed: 03/05/2024]
Abstract
Mono and polycyclic aromatic hydrocarbons are widely distributed and severely pollute the aqueous environment due to natural and human activities, particularly human activity. It is crucial to identify and address them in order to reduce the dangers and threats they pose to biological processes and ecosystems. In the fields of sensor detection and water treatment, electrochemistry plays a crucial role as a trustworthy and environmentally friendly technology. In order to accomplish trace detection while enhancing detection accuracy and precision, researchers have created and studied sensors using a range of materials based on electrochemical processes, and their results have demonstrated good performance. One cannot overlook the challenges associated with treating aromatic pollutants, including mono and polycyclic. Much work has been done and good progress has been achieved in order to address these challenges. This study discusses the mono and polycyclic aromatic hydrocarbon sensor detection and electrochemical treatment technologies for contaminants in the aqueous environment. Additionally mentioned are the sources, distribution, risks, hazards, and problems in the removal of pollutants. The obstacles to be overcome and the future development plans of the field are then suggested by summarizing and assessing the research findings of the researchers.
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Affiliation(s)
- Guangfei Qu
- Faculty of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China.
| | - Guojun Liu
- Faculty of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China
| | - Chenyang Zhao
- Faculty of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China
| | - Zheng Yuan
- Faculty of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China
| | - Yixin Yang
- Faculty of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China
| | - Keyi Xiang
- Faculty of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China
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Zheng ZY, Ni HG. Predicted no-effect concentration for eight PAHs and their ecological risks in seven major river systems of China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167590. [PMID: 37802352 DOI: 10.1016/j.scitotenv.2023.167590] [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: 08/04/2023] [Revised: 09/22/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023]
Abstract
The initial step in the assessment of the ecological risk of pollutants is to determine the predicted no-effect concentration (PNEC). However, ecological risk assessments of eight carcinogenic polycyclic aromatic hydrocarbons (PAHs), including dimethylbenz[a]anthracene (DMBA), methylcholanthrene (MCA), benzo(a)anthracene (BaA), chrysene (CHR), benzo(b)fluoranthene (BbF), benzo(k)fluoranthene (BkF), benzo(a)pyrene (BaP), and dibenzo(a,h)anthracene (DBA), are rarely conducted due to the lack of their PNECs based on test data. In this study, quantitative structure-activity relationship (QSAR) models and interspecies correlation estimation (ICE) models were combined to predict the acute toxicity of these eight target PHAs. A Kolmogorov-Smirnov analysis for species sensitivity distributions (SSDs) of native and all species was conducted. There was no significant difference between the predictions for native Chinese species and the predictions for all species by the QSAR-ICE models. In addition, the feasibility of the QSAR-ICE models was demonstrated by comparing the SSD curves constructed by measured toxicity data of BaP and those predicted by the QSAR-ICE models. The PNECs of the eight PAHs were estimated based on the SSDs and acute to chronic ratio (ACR) method; these data were 0.071 μg/L, 0.033 μg/L, 0.049 μg/L, 0.114 μg/L, 0.019 μg/L, 0.021 μg/L, 0.038 μg/L and 0.054 μg/L for DMBA, DBA, BaP, MCA, BaA, CHR, BbF, BkF, respectively. The higher PNECs of the alkylated PAHs suggested their lower ecological risks. Based on the mixed risk quotient (mRQ) of PAHs through the concentration addition (CA) model, high ecological risk watersheds, such as the Songhua River (mRQ = 1.95), the Liao River (mRQ = 4.59), and the Huai River (mRQ = 1.93), were identified.
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Affiliation(s)
- Zi-Yi Zheng
- School of Urban Planning and Design, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Hong-Gang Ni
- School of Urban Planning and Design, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
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Bahia PVB, de Oliveira VA, Nascimento MM, Santos LO, da Rocha GO, de Andrade JB, Machado ME. Multivariate optimization of a green procedure for determination of emerging polycyclic aromatic nitrogen heterocycles in PM 2.5 from sites with different characteristics. Anal Bioanal Chem 2023; 415:6177-6189. [PMID: 37541975 DOI: 10.1007/s00216-023-04889-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/14/2023] [Accepted: 07/26/2023] [Indexed: 08/06/2023]
Abstract
Emerging polycyclic aromatic nitrogen heterocycles (PANHs) contributes significantly to the health risk associated with inhaling polluted air. However, there is a lack of analytical methods with the needed performance to their determination. This study presents the optimization and validation for the first time of a green microscale extraction procedure for the determination of twenty-one PANHs, including carbazole, indole, and quinolone classes, in particulate matter (PM2.5) samples by gas chromatography-mass spectrometry. A simplex-centroid mixture design and full factorial design (23) were employed to optimize the following extraction parameters: type and volume of solvent, sample size, extraction time, and necessity of a cleanup step. Low limits of detection and quantification (LOD < 0.97 pg m-3 and LOQ < 3.24 pg m-3, respectively) were obtained in terms of matrix-matched calibration. The accuracy and precision of the method were adequate, with recoveries in three levels between 73 to 120% and intraday and interday relative standard deviations from 2.0 to 12.9% and 7.3 to 18.9%, respectively. The green character of the method was evaluated using the Analytical Greenness (AGREE) tool, where a score of 0.69 was obtained, indicating a great green procedure. The method was applied to PM2.5 samples collected from sites with different characteristics; the concentrations ranged from 69.3 pg m-3 (2-methylcarbazole) to 11,874 pg m-3 (carbazole) for individual PANHs and from 2306 to 24,530 pg m-3 for ∑21PANHs. Principal component analysis (PCA) and hierarchical clustering enabled discrimination of the sampling sites according to the PANHs concentrations. The score plots formed two distinct groups, one with samples containing higher concentrations of PANHs, corresponding to sites with a major influence from diesel emissions, and another group with minor PANH contents, corresponding to sites impacted by emissions from urban traffic and industrial activities.
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Affiliation(s)
- Pedro Victor Bomfim Bahia
- Instituto de Química, Programa de Pós-Graduação Em Química, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
- Centro Interdisciplinar de Energia E Ambiente - CIEnAm, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
| | - Valdiria Almeida de Oliveira
- Instituto de Química, Programa de Pós-Graduação Em Química, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
| | - Madson Moreira Nascimento
- Centro Interdisciplinar de Energia E Ambiente - CIEnAm, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
- Instituto Nacional de Ciência E Tecnologia Em Energia E Ambiente - INCT E&A, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
| | | | - Gisele Olimpio da Rocha
- Instituto de Química, Programa de Pós-Graduação Em Química, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
- Centro Interdisciplinar de Energia E Ambiente - CIEnAm, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
- Instituto Nacional de Ciência E Tecnologia Em Energia E Ambiente - INCT E&A, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
| | - Jailson Bittencourt de Andrade
- Centro Interdisciplinar de Energia E Ambiente - CIEnAm, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
- Instituto Nacional de Ciência E Tecnologia Em Energia E Ambiente - INCT E&A, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil
- Centro Universitário SENAI-CIMATEC, Salvador, BA, 41650-010, Brazil
| | - Maria Elisabete Machado
- Instituto de Química, Programa de Pós-Graduação Em Química, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil.
- Centro Interdisciplinar de Energia E Ambiente - CIEnAm, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil.
- Instituto Nacional de Ciência E Tecnologia Em Energia E Ambiente - INCT E&A, Universidade Federal da Bahia, Salvador, BA, 40170-115, Brazil.
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Marvanová S, Pěnčíková K, Pálková L, Ciganek M, Petráš J, Lněničková A, Vondráček J, Machala M. Benzo[b]naphtho[d]thiophenes and naphthylbenzo[b]thiophenes: Their aryl hydrocarbon receptor-mediated activities and environmental presence. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 879:162924. [PMID: 36933742 DOI: 10.1016/j.scitotenv.2023.162924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/21/2023] [Accepted: 03/13/2023] [Indexed: 05/17/2023]
Abstract
Polycyclic aromatic sulfur heterocyclic compounds (PASHs) belong among ubiquitous environmental pollutants; however, their toxic effects remain poorly understood. Here, we studied the aryl hydrocarbon receptor (AhR)-mediated activity of dibenzothiophene, benzo[b]naphtho[d]thiophenes, and naphthylbenzo[b]thiophenes, as well as their presence in two types of environmental matrices: river sediments collected from both rural and urban areas, and in airborne particulate matter (PM2.5) sampled in cities with different levels and sources of pollution. Benzo[b]naphtho[2,1-d]thiophene, benzo[b]naphtho[2,3-d]thiophene, 2,2-naphthylbenzo[b]thiophene, and 2,1-naphthylbenzo[b]thiophene were newly identified as efficient AhR agonists in both rat and human AhR-based reporter gene assays, with 2,2-naphthylbenzo[b]thiophene being the most potent compound identified in both species. Benzo[b]naphtho[1,2-d]thiophene and 3,2-naphthylbenzo[b]thiophene elicited AhR-mediated activity only in the rat liver cell model, while dibenzothiophene and 3,1-naphthylbenzo[b]thiophene were inactive in either cell type. Independently of their ability to activate the AhR, benzo[b]naphtho[1,2-d]thiophene, 2,1-naphthylbenzo[b]thiophene, 3,1-naphthylbenzo[b]thiophene, and 3,2-naphthylbenzo[b]thiophene inhibited gap junctional intercellular communication in a model of rat liver epithelial cells. Benzo[b]naphtho[d]thiophenes were dominant PASHs present in both PM2.5 and sediment samples, with benzo[b]naphtho[2,1-d]thiophene being the most abundant one, followed by benzo[b]naphtho[2,3-d]thiophene. The levels of naphthylbenzo[b]thiophenes were mostly low or below detection limit. Benzo[b]naphtho[2,1-d]thiophene and benzo[b]naphtho[2,3-d]thiophene were identified as the most significant contributors to the AhR-mediated activity in the environmental samples evaluated in this study. Both induced nuclear translocation of the AhR, and they induced CYP1A1 expression in a time-dependent manner, suggesting that their AhR-mediated activity may depend on the rate of their intracellular metabolism. In conclusion, some PASHs could be significant contributors to the overall AhR-mediated toxicity of complex environmental samples suggesting that more attention should be paid to the potential health impacts of this group of environmental pollutants.
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Affiliation(s)
- Soňa Marvanová
- Department of Pharmacology and Toxicology, Veterinary Research Institute, Hudcova 70, 62100 Brno, Czech Republic
| | - Kateřina Pěnčíková
- Department of Pharmacology and Toxicology, Veterinary Research Institute, Hudcova 70, 62100 Brno, Czech Republic
| | - Lenka Pálková
- Department of Pharmacology and Toxicology, Veterinary Research Institute, Hudcova 70, 62100 Brno, Czech Republic
| | - Miroslav Ciganek
- Department of Pharmacology and Toxicology, Veterinary Research Institute, Hudcova 70, 62100 Brno, Czech Republic
| | - Jiří Petráš
- Department of Cytokinetics, Institute of Biophysics of the CAS, Královopolská 135, 61265 Brno, Czech Republic; Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
| | - Anna Lněničková
- Department of Cytokinetics, Institute of Biophysics of the CAS, Královopolská 135, 61265 Brno, Czech Republic; Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
| | - Jan Vondráček
- Department of Cytokinetics, Institute of Biophysics of the CAS, Královopolská 135, 61265 Brno, Czech Republic.
| | - Miroslav Machala
- Department of Pharmacology and Toxicology, Veterinary Research Institute, Hudcova 70, 62100 Brno, Czech Republic.
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Hou Z, Li Y, Zheng M, Liu X, Zhang Q, Wang W. Regioselective oxidation of heterocyclic aromatic hydrocarbons catalyzed by cytochrome P450: A case study of carbazole. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 258:114964. [PMID: 37121081 DOI: 10.1016/j.ecoenv.2023.114964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 04/11/2023] [Accepted: 04/26/2023] [Indexed: 05/22/2023]
Abstract
Recently there are increasing interests in accurately evaluating the health effects of heterocyclic PAHs. However, the activation mechanism and possible metabolites of heterocyclic PAHs catalyzed by human CYP1A1 is still elusive to a great extent. Here, leveraged to high level QM/MM calculations, the corresponding activation pathways of a representative heterocyclic PAHs, carbazole, were systematically explored. The first stage is electrophilic addition or hydrogen abstraction from N-H group. Electrophilic addition was evidenced to be more feasible and regioselectivity at C3 and C4 sites were identified. Correlations between energy barriers and key structural/electrostatic parameters reveal that O-Cα distance and Fe-O-Cα angle are the main origin for the catalytic regioselectivity. Electrophilic addition was determined as the rate-determining step and the subsequent possible reactions include epoxidation, NIH shift (the hydrogen migration from the site of hydroxylation to the adjacent carbon) and proton shuttle. The corresponding products are epoxides, ketones and hydroxylated carbazoles, respectively. The main metabolites (hydroxylated carbazoles) are estimated to be more toxic than carbazole. The regioselectivity of carbazole activated by CYP1A1 is different from the environmental processes (gas and aqueous phase). Collectively, these results will inform the in-depth understanding the metabolic processes of heterocyclic PAHs and aid the accurate evaluation of their health effects.
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Affiliation(s)
- Zexi Hou
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Yanwei Li
- Environment Research Institute, Shandong University, Qingdao 266237, PR China; Shenzhen Research Institute, Shandong University, Shenzhen 518057, PR China.
| | - Mingna Zheng
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Xinning Liu
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Qingzhu Zhang
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
| | - Wenxing Wang
- Environment Research Institute, Shandong University, Qingdao 266237, PR China
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8
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McCallum P, Filewood T, Sawitsky J, Kwok H, Brunswick P, Yan J, Chibwe L, Tikkisetty K, Shang D. Enhancement of oil forensic methodology through the addition of polycyclic aromatic nitrogen heterocycle biomarkers for diagnostic ratios. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:416. [PMID: 36807828 PMCID: PMC9941221 DOI: 10.1007/s10661-023-10941-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
Current oil spill forensic identification of source oils relies upon hydrocarbon biomarkers resistant to weathering. This international technique was developed by the European Committee for Standardization (CEN), under EN 15522-2 Oil Spill Identification guidelines. The number of biomarkers have expanded at pace with technological advances, while distinguishing new biomarkers becomes more challenging due to interference of isobaric compounds, matrix effects, and high cost of weathering experiments. Application of high-resolution mass spectrometry enabled exploration of potential polycyclic aromatic nitrogen heterocycle (PANH) oil biomarkers. The instrumentation showed reduction in isobaric and matrix interferences, allowing for identification of low-level PANH and alkylated PANHs (APANHs). Weathered oil samples, obtained from a marine microcosm weathering experiment, enabled comparison with source oils to identify new, stable forensic biomarkers. This study highlighted eight new APANH diagnostic ratios that expanded the biomarker suite, increasing the confidence for identifying highly weathered oils back to their source oil.
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Affiliation(s)
- Paige McCallum
- Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, Pacific and Yukon Laboratory for Environmental Testing, North Vancouver, B.C, Canada
| | - Taylor Filewood
- Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, Pacific and Yukon Laboratory for Environmental Testing, North Vancouver, B.C, Canada
| | - Julia Sawitsky
- Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, Pacific and Yukon Laboratory for Environmental Testing, North Vancouver, B.C, Canada
| | - Honoria Kwok
- Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, Pacific and Yukon Laboratory for Environmental Testing, North Vancouver, B.C, Canada
| | - Pamela Brunswick
- Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, Pacific and Yukon Laboratory for Environmental Testing, North Vancouver, B.C, Canada.
| | - Jeffrey Yan
- Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, Pacific and Yukon Laboratory for Environmental Testing, North Vancouver, B.C, Canada
| | - Leah Chibwe
- Institute for Environmental Change and Society, University of Regina, SK, Regina, Canada
| | - Krishnaja Tikkisetty
- Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, Pacific and Yukon Laboratory for Environmental Testing, North Vancouver, B.C, Canada
| | - Dayue Shang
- Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, Pacific and Yukon Laboratory for Environmental Testing, North Vancouver, B.C, Canada.
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9
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Almouallem W, Michel J, Dorge S, Joyeux C, Trouvé G, Le Nouen D. A comparative study of the sorption of O-PAHs and PAHs onto soils to understand their transport in soils and groundwater. J Environ Sci (China) 2023; 124:61-75. [PMID: 36182167 DOI: 10.1016/j.jes.2021.11.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 06/16/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) and their oxygenated derivates (O-PAHs) are identified in soils and groundwater of industrialized sites and contribute to the risk for Humans and the Environment. Nevertheless, data are scarce in literature concerning their retention and transfer in soils and no soil - water partition coefficients are available for these compounds. Sorption of two PAHs, fluorene and acenaphthene and two O-PAHs, 9H-fluorenone and dibenzofuran onto two soils with different organic carbon contents was evaluated and compared by determining their sorption isotherms. Effect of ionic strength and liquid to solid ratio, on fluorene and fluorenone sorption was also evaluated. Sorption equilibrium is achieved within less than 24 hr of mixing and linear sorption models best fit the isotherm data. Acenaphthene and dibenzofuran are similarly sorbed onto the soil. KD of fluorene is higher than the one of fluorenone, showing a smaller affinity of fluorenone towards the solid phase. This means that O-PAH could form larger contamination plumes in groundwater than PAHs. Decreasing the L/S ratio from 100 to 50 and 30, increases the sorption of fluorenone onto the soil by 56% and 67% respectively, while the sorption of fluorene is slightly increased. Increasing the ionic strength of the aqueous phase also modifies the sorption of fluorenone, contrary to the sorption of fluorene which is slightly affected.
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Affiliation(s)
- W Almouallem
- French National Institute for Industrial and Environment and Risks, Direction Sites & Territoires, Verneuil en Halatte, F-60550, France; University of Haute-Alsace, Laboratoire Gestion des Risques et Environnement (LGRE) UR2334, Mulhouse, France; University of Strasbourg, 67000 Strasbourg, France; University of Haute-Alsace, Laboratoire d'Innovation Moléculaire et Applications (LIMA) UMR 7042 CNRS, Mulhouse, France
| | - J Michel
- French National Institute for Industrial and Environment and Risks, Direction Sites & Territoires, Verneuil en Halatte, F-60550, France
| | - S Dorge
- University of Haute-Alsace, Laboratoire Gestion des Risques et Environnement (LGRE) UR2334, Mulhouse, France; University of Strasbourg, 67000 Strasbourg, France
| | - C Joyeux
- University of Strasbourg, 67000 Strasbourg, France; University of Haute-Alsace, Laboratoire d'Innovation Moléculaire et Applications (LIMA) UMR 7042 CNRS, Mulhouse, France
| | - G Trouvé
- University of Haute-Alsace, Laboratoire Gestion des Risques et Environnement (LGRE) UR2334, Mulhouse, France; University of Strasbourg, 67000 Strasbourg, France.
| | - D Le Nouen
- University of Strasbourg, 67000 Strasbourg, France; University of Haute-Alsace, Laboratoire d'Innovation Moléculaire et Applications (LIMA) UMR 7042 CNRS, Mulhouse, France
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10
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Jin R, Liu G, Zhou X, Zhang Z, Lin B, Liu Y, Qi Z, Zheng M. Analysis of polycyclic aromatic hydrocarbon derivatives in environment. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.116942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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11
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Qiao M, Qi W, Liu H, Qu J. Oxygenated polycyclic aromatic hydrocarbons in the surface water environment: Occurrence, ecotoxicity, and sources. ENVIRONMENT INTERNATIONAL 2022; 163:107232. [PMID: 35427839 DOI: 10.1016/j.envint.2022.107232] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 03/17/2022] [Accepted: 04/06/2022] [Indexed: 06/14/2023]
Abstract
Oxygenated polycyclic aromatic hydrocarbons (OPAHs) have been ubiquitously detected in atmospheric, soil, sediment, and water environments, some of which show higher concentrations and toxicities than the parent polycyclic aromatic hydrocarbons (PAHs). The occurrence, source, fate, risks and methods of analysis for OPAHs in the atmosphere, soil, and the whole environment (comprising the atmosphere, soil, water, and biota) have been reviewed, but reviews focusing on OPAHs in the water environment have been lacking. Due to the higher polarity and water solubility of OPAHs than PAHs, OPAHs exist preferentially in water environments. In this review, the occurrence, ecological toxicity and source of OPAHs in surface water environments are investigated in detail. Most OPAHs show higher concentrations than the corresponding PAHs in surface water environments. OPAHs pose non-ignorable ecological risks to surface water ecosystems. Wastewater treatment plant effluent, atmospheric deposition, surface runoff, photochemical and microbiological transformation, and sediment release are possible sources for OPAHs in surface water. This review will fill important knowledge gaps on the migration and transformation of typical OPAHs in multiple media and their environmental impact on surface water environments. Further studies on OPAHs in the surface environment, including their ecotoxicity with the co-existing PAHs and mass flows of OPAHs from atmospheric deposition, surface runoff, transformation from PAHs, and sediment release, are also encouraged.
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Affiliation(s)
- Meng Qiao
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Weixiao Qi
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China.
| | - Huijuan Liu
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Jiuhui Qu
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
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12
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Machado ME, Nascimento MM, Bomfim Bahia PV, Martinez ST, Bittencourt de Andrade J. Analytical advances and challenges for the determination of heterocyclic aromatic compounds (NSO-HET) in sediment: A review. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Sola MCR, Santos AG, Nascimento MM, da Rocha GO, de Andrade JB. Occurrence, sources, and risk assessment of unconventional polycyclic aromatic compounds in marine sediments from sandy beach intertidal zones. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 810:152019. [PMID: 34856251 DOI: 10.1016/j.scitotenv.2021.152019] [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: 09/22/2021] [Revised: 11/23/2021] [Accepted: 11/23/2021] [Indexed: 06/13/2023]
Abstract
This study investigated the concentrations of polycyclic aromatic compounds (PACs), including parent polyaromatic hydrocarbons (PAHs) and their nitrated and oxygenated derivatives, in 48 sediment samples from the intertidal region of sandy beaches in Baía de Todos os Santos (BTS), Salvador, State of Bahia, Brazil. The total PAH (∑PAH) concentration, total nitro-PAH (∑nitro-PAH) concentration, and total oxy-PAH (∑oxy-PAH) concentration ranged from 2.11 μg g-1 dry weight (dw) to 28.0 μg g-1 dw, 2.58 μg g-1 dw to 30.2 μg g-1 dw, and 0.34 μg g-1 dw to 3.65 μg g-1 dw, respectively. Elevated concentrations of parent PAHs and nitro-PAHs were found in samples from two sites in BTS, which were also characterized by high percentages of fine-medium sand and low organic matter contents. Potent mutagenic 3-nitrobenzanthrone (3-NBA) was found in 86% of the samples at concentrations ranging from 0.200 μg g-1 dw to 0.690 μg g-1 dw. Furthermore, calculations of the benzo[a]pyrene toxicity equivalency (BaPTEQ) indicated that three carcinogenic high-molecular-weight PAHs accounted for 98.7% of the total maximum PAH concentration. Finally, we assessed the possible environmental risks posed to benthic species living in the sediments of BTS. The results showed that the risk quotient for PAHs (RQPAHs) was ≥1. In turn, the summed RQ for all PACs (∑RQmixture) ranged from 1 to 30, but did not exceed the maximum allowable threshold; thus, the risks posed to benthic species were moderate for all sediment samples.
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Affiliation(s)
- Maria Claudia R Sola
- Centro Interdisciplinar de Energia e Ambiente - CIEnAm, Universidade Federal da Bahia, 40170-115 Salvador, BA, Brazil; Instituto Nacional de Ciência e Tecnologia em Energia e Ambiente - INCT E&A, UFBA, 40170-290 Salvador, BA, Brazil
| | - Aldenor G Santos
- Centro Interdisciplinar de Energia e Ambiente - CIEnAm, Universidade Federal da Bahia, 40170-115 Salvador, BA, Brazil; Instituto Nacional de Ciência e Tecnologia em Energia e Ambiente - INCT E&A, UFBA, 40170-290 Salvador, BA, Brazil; Universidade Federal da Bahia, Instituto de Química, Campus de Ondina, 40170-115 Salvador, BA, Brazil
| | - Madson M Nascimento
- Centro Interdisciplinar de Energia e Ambiente - CIEnAm, Universidade Federal da Bahia, 40170-115 Salvador, BA, Brazil; Instituto Nacional de Ciência e Tecnologia em Energia e Ambiente - INCT E&A, UFBA, 40170-290 Salvador, BA, Brazil; Universidade Federal da Bahia, Instituto de Química, Campus de Ondina, 40170-115 Salvador, BA, Brazil
| | - Gisele Olimpio da Rocha
- Centro Interdisciplinar de Energia e Ambiente - CIEnAm, Universidade Federal da Bahia, 40170-115 Salvador, BA, Brazil; Instituto Nacional de Ciência e Tecnologia em Energia e Ambiente - INCT E&A, UFBA, 40170-290 Salvador, BA, Brazil; Universidade Federal da Bahia, Instituto de Química, Campus de Ondina, 40170-115 Salvador, BA, Brazil
| | - Jailson Bittencourt de Andrade
- Centro Interdisciplinar de Energia e Ambiente - CIEnAm, Universidade Federal da Bahia, 40170-115 Salvador, BA, Brazil; Instituto Nacional de Ciência e Tecnologia em Energia e Ambiente - INCT E&A, UFBA, 40170-290 Salvador, BA, Brazil; Centro Universitário SENAI-CIMATEC, Av. Orlando Gomes, 1845 - Piatã, 41650-010 Salvador, BA, Brazil.
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14
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Zhang Y, Cheng D, Lei Y, Song J, Xia J. Spatiotemporal distribution of polycyclic aromatic hydrocarbons in sediments of a typical river located in the Loess Plateau, China: Influence of human activities and land-use changes. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127744. [PMID: 34839980 DOI: 10.1016/j.jhazmat.2021.127744] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/21/2021] [Accepted: 11/07/2021] [Indexed: 06/13/2023]
Abstract
The Loess Plateau, as the key energy base of China, has sensitive responses to the global changes, and receives polycyclic aromatic hydrocarbons (PAHs) from anthropogenic activities. However, understanding how anthropogenic and climate factors affect synergistically the PAHs distribution in this vulnerable ecological environment is deficient. Here the spatiotemporal distribution of PAHs in sediments from a typical river of the Loess Plateau were investigated. The PAHs were mainly from coal combustion in the range of 194-514 ng g-1, and their concentrations were generally higher in normal season than wet season as the dilution effect of high river discharge and strong precipitation. The interactive effects of land-use and precipitation showed PAHs enriched in forest-grass land were transferred into rivers through surface and subsurface runoff during light rainfall, resulting in the increase of the PAHs concentrations in river sediments. In contrast, large precipitation in wet season would obscure any spatial variations. In addition, human activities, especially energy production, directly enhanced PAHs accumulation in river sediments due to the emission from the production processing of oil and coal, and indirectly influenced the PAHs by impacting the per capita GDP. These findings had important implications for the management and prediction of PAH accumulation.
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Affiliation(s)
- Yixuan Zhang
- Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, College of Urban and Environmental Sciences, Northwest University, Xi'an 710127, China.
| | - Dandong Cheng
- Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, College of Urban and Environmental Sciences, Northwest University, Xi'an 710127, China.
| | - Yali Lei
- Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, College of Urban and Environmental Sciences, Northwest University, Xi'an 710127, China; SINOMA International Engineering CO., LTD., Nanjing 211100, China.
| | - Jinxi Song
- Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, College of Urban and Environmental Sciences, Northwest University, Xi'an 710127, China.
| | - Jun Xia
- Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, College of Urban and Environmental Sciences, Northwest University, Xi'an 710127, China; Key Laboratory of Water Cycle & Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
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15
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Kong J, Gao Z, Hu G, Huang W, Zhou S, He H, Xian Q, Sun C. Solid-phase microextraction combined with gas chromatography/triple quadrupole tandem mass spectrometry for determination of nitrated polycyclic aromatic hydrocarbons in sediments. J Sep Sci 2022; 45:1094-1105. [PMID: 34981623 DOI: 10.1002/jssc.202100644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 12/24/2021] [Accepted: 12/26/2021] [Indexed: 11/10/2022]
Abstract
Nitro-polycyclic aromatic hydrocarbons have been detected in various environmental media. However, determination in sediment matrix is challenging due to the lack of a suitable method. In this study, a reliable method for determining 15 nitro-polycyclic aromatic hydrocarbons in sediments was developed based on accelerated solvent extraction and solid-phase microextraction coupled with gas chromatography-tandem mass spectrometry. The accelerated solvent extraction and solid-phase microextraction are sample pre-treatment techniques that have advantages, such as rapid operation and minimal sample volume. Initially, the solid-phase microextraction was optimized using five commercial fibers and from that 65 μm polydimethylsiloxane/divinylbenzene fiber was selected as the best fiber. Further, the accelerated solvent extraction conditions were optimized by Taguchi experimental design, such as extraction temperature (120℃), extraction solvent (dichloromethane), number of cycles (two), static extraction period (4 min), and rinse volume (90%). The method parameters, such as limits of quantitation, and intraday and interday accuracy and precision, were in the range of 0.067-1.57 ng/g, 75.2-115.2%, 69.9-115.4%, and 1.0-16.5%, respectively. Upon meeting all the quality criteria, the method was applied successfully to analyze real sediment samples. Therefore, our study creates a new prospect for the future application of direct immersion solid-phase microextraction in sediment analysis.
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Affiliation(s)
- Jijie Kong
- School of Environment, Nanjing Normal University, Nanjing, P. R. China.,School of Geography, Nanjing Normal University, Nanjing, P. R. China.,The State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, P. R. China
| | - Zhaoqi Gao
- State Environmental Protection Key Laboratory of Monitoring and Analysis for Organic Pollutants in Surface Water, Environment Monitoring Center of Jiangsu Province, Nanjing, P. R. China
| | - Guanjiu Hu
- State Environmental Protection Key Laboratory of Monitoring and Analysis for Organic Pollutants in Surface Water, Environment Monitoring Center of Jiangsu Province, Nanjing, P. R. China
| | - Wen Huang
- Kaver Scientific Instruments, Co., Ltd, Nanjing, P. R. China
| | - Shaoda Zhou
- Kaver Scientific Instruments, Co., Ltd, Nanjing, P. R. China
| | - Huan He
- School of Environment, Nanjing Normal University, Nanjing, P. R. China
| | - Qiming Xian
- The State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, P. R. China
| | - Cheng Sun
- The State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, P. R. China
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16
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Trouvé G, Ngo C, Almouallem W, Joyeux C, Dorge S, Michel J, Nouen DL. Development of a Liquid/Liquid Extraction Method and GC/MS Analysis Dedicated to the Quantitative Analysis of PAHs and O-PACs in Groundwater from Contaminated Sites and Soils. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.1880449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- G. Trouvé
- Laboratoire Gestion des Risques et Environnement, Université de Haute Alsace, Mulhouse, France
| | - C. Ngo
- Laboratoire Gestion des Risques et Environnement, Université de Haute Alsace, Mulhouse, France
- Laboratoire d’Innovation Moléculaire et Applications, Université de Haute Alsace, Mulhouse, France
| | - W. Almouallem
- Laboratoire Gestion des Risques et Environnement, Université de Haute Alsace, Mulhouse, France
- Laboratoire d’Innovation Moléculaire et Applications, Université de Haute Alsace, Mulhouse, France
- Institut National de l’Environnement Industriel et des Risques, Verneuil en Halatte, France
- Agence De l’Environnement et de la Maîtrise de l’Energie, Angers, France
| | - C. Joyeux
- Laboratoire d’Innovation Moléculaire et Applications, Université de Haute Alsace, Mulhouse, France
| | - S. Dorge
- Laboratoire Gestion des Risques et Environnement, Université de Haute Alsace, Mulhouse, France
| | - J. Michel
- Institut National de l’Environnement Industriel et des Risques, Verneuil en Halatte, France
| | - D. Le Nouen
- Laboratoire d’Innovation Moléculaire et Applications, Université de Haute Alsace, Mulhouse, France
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17
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Zhou Q, Yuan Y, Sun Y, Sheng X, Tong Y. Magnetic solid phase extraction of heterocyclic aromatic hydrocarbons from environmental water samples with multiwalled carbon nanotube modified magnetic polyamido-amine dendrimers prior to gas chromatography-triple quadrupole mass spectrometer. J Chromatogr A 2021; 1639:461921. [PMID: 33524931 DOI: 10.1016/j.chroma.2021.461921] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/09/2021] [Accepted: 01/16/2021] [Indexed: 12/25/2022]
Abstract
Present study described a sensitive and efficient method for determination of heterocyclic aromatic hydrocarbons using multiwalled carbon nanotubes modified magnetic polyamido-amine dendrimers (MNPs@PAMAM-Gn@MWCNTs) as adsorbent for magnetic solid-phase extraction (MSPE) coupled with gas chromatography-triple quadrupole mass spectrometer (GC-MS/MS). Some pivotal parameters including PAMAM generation, adsorbent dosage, adsorption time, elution time and volume, pH and humic acid concentration were investigated to achieve the best adsorption efficiencies. Under the optimal conditions, 7-methylquinoline, dibenzothiophene and carbazole had good linearity in the concentration range of 0.005-20 μg L - 1, 9-methylcarbazole, 4-methyldibenzothiophene and 4,6-dimethyl dibenzothiophene had good linearity in the concentration range of 0.001-20 μg L - 1. All the correlation coefficients were higher than 0.996. The detection limits of the targets were in the range of 2.2 × 10-4-1.8 × 10-3 μg L - 1 with precisions less than 8.28% (n = 6). The enrichment factors were in the range of 141-147. The spiked recoveries were in the range of 87.0%-115.1% (n = 3). These results indicated that the method could be a reliable alternative tool for monitoring trace heterocyclic aromatic hydrocarbons in environmental water samples.
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Affiliation(s)
- Qingxiang Zhou
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing 102249, China.
| | - Yongyong Yuan
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing 102249, China
| | - Yi Sun
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing 102249, China
| | - Xueying Sheng
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing 102249, China
| | - Yayan Tong
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing 102249, China
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18
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Yu H, Liu Y, Han C, Fang H, Weng J, Shu X, Pan Y, Ma L. Polycyclic aromatic hydrocarbons in surface waters from the seven main river basins of China: Spatial distribution, source apportionment, and potential risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 752:141764. [PMID: 32898799 DOI: 10.1016/j.scitotenv.2020.141764] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/13/2020] [Accepted: 08/16/2020] [Indexed: 06/11/2023]
Abstract
In this study, we report long-term measurements of Polycyclic Aromatic Hydrocarbons (PAHs) collected from the surface waters of seven river basins across China. The spatial distribution, source apportionment, and potential risk assessment of 16 USEPA designated PAHs were reviewed. Water samples were collected from the Songhua River Basin (SRB), Yangtze River Basin (YtRB), Yellow River Basin (YRB), Pearl River Basin (PRB), Huai River Basin (HuRB), Liao River Basin (LRB), and Hai River Basin (HRB). Our results show that the total PAH concentration in the surface waters from primary river basins ranged from 99.60 to 3805.00 ng/L in the dry season with a geometric mean value of 797.96 ng/L, and from 235.84 to 11,812.20 ng/L in the wet season with a geometric mean value of 820.75 ng/L. In the river basins examined, the geometric concentration of Σ16PAHs ranged from 215.50 ng/L to 1969.91 ng/L, with a median value of 837.73 ng/L. In the decreasing order across seven river basins, the geometric mean Σ16PAHs content varied as: SRB (1969.91 ng/L) > LRB (1155.87 ng/L) > YRB (884.06 ng/L) > PRB (837.73 ng/L) > HuRB (559.10 ng/L) > HRB (261.84 ng/L) > YtRB (215.50 ng/L). Moreover, the total PAH concentration was slightly lower in the dry season than in the wet season. The pollution level of PAHs in North China was higher than in South China. No discernible temporal trend was observed in Σ16PAHs observed in China during the past decade. Overall, PAHs designated for priority control measures were Nap, Phe, and Flu; as 2- and 3-ring PAHs were the dominant compounds in the river basins, accounting for 33.7% and 36.9% of the total PAHs, respectively. Source analysis revealed that coal and biomass combustion were the main contributors to PAHs in the river basins, accounting for about 40% of the total. The geometric mean concentrations of individual PAH, including BaP, BaA, BbF, BkF, Ind, and DaA in some water samples exceeded the environmental quality standards of both China and the United States. According to metrics describing eco-toxicity from water contamination, the river basin was at moderate risk in YtRB, YRB, PRB, HuRB, and HRB, but at high risk in SRB and LRB, suggesting that targeted control measures or remedial actions should be undertaken to decrease PAH contamination in China.
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Affiliation(s)
- Haiyan Yu
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yongfeng Liu
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Changxu Han
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Han Fang
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Junhe Weng
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Xingquan Shu
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yuwei Pan
- College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
| | - Limin Ma
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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19
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Idowu O, Tran TKA, Baker P, Farrel H, Zammit A, Semple KT, O'Connor W, Thavamani P. Bioavailability of polycyclic aromatic compounds (PACs) to the Sydney rock oyster (Saccostrea glomerata) from sediment matrices of an economically important Australian estuary. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 736:139574. [PMID: 32497880 DOI: 10.1016/j.scitotenv.2020.139574] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 06/11/2023]
Abstract
Improving risk assessment and remediation rests on better understanding of contaminant bioavailability. Despite their strong toxicological attributes, little is known about the partitioning behaviour and bioavailability of polar polycyclic aromatic hydrocarbons (PAHs) in aquatic environments. The present study provides an insight into the bioavailable fractions of polar PAHs and their parent analogues in the tissues of the Sydney rock oyster, Saccostrea glomerata, a model aquatic bio-indicator organism. The concentration and distribution patterns of parent and polar PAHs including oxygenated PAHs (oxyPAHs), nitrated PAHs (NPAHs) and heterocyclic PAHs (HPAHs) were determined in water, sediment and oysters from an ecologically and economically important estuary of New South Wales, Australia. Total concentrations of PAHs, oxyPAHs, NPAHs and HPAHs were higher in sediments compared to oyster tissue and water. For most polar PAHs, total concentrations for water, sediment and oyster samples were <1 μg/g (μg/l for water) while parent PAH concentrations were several orders of magnitude higher. Computed biota-sediment accumulation factors (BSAFs) on lipid-normalized oyster concentrations revealed that while ∑oxyPAHs and ∑HPAHs exhibited low accumulation from sediment to oyster tissues (BSAF <1), ∑PAHs and ∑NPAH were found to be accumulated at high levels (BSAF >1). BSAF individual computation showed that bioaccumulation of nine investigated HPAHs in oyster tissues were relatively low and only 2-EAQ (oxyPAH) and 1N-NAP (NPAH) showed high levels of accumulation in oyster tissues, similar to parent PAHs. To the best of our knowledge, this is the first known study on the bioavailability of polar and non-polar PAHs in an Australian aquatic environment. The outcome of this study might be a useful indicator of the potential risks of polar PAHs to humans and other living organisms.
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Affiliation(s)
- Oluyoye Idowu
- Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW 2308, Australia
| | - Thi Kim Anh Tran
- Global Innovative Centre for Advanced Nanomaterials (GICAN), University of Newcastle, Callaghan, NSW 2308, Australia
| | - Phil Baker
- NSW Department of Primary Industries, Biosecurity and Food Safety, Taree, NSW 2430, Australia
| | - Hazel Farrel
- NSW Department of Primary Industries, Biosecurity and Food Safety, Taree, NSW 2430, Australia
| | - Anthony Zammit
- NSW Department of Primary Industries, Biosecurity and Food Safety, Taree, NSW 2430, Australia
| | - Kirk T Semple
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, United Kingdom
| | - Wayne O'Connor
- Port Stephens Fisheries Institute, NSW Department of Primary Industries, Port Stephens, NSW 2316, Australia
| | - Palanisami Thavamani
- Global Innovative Centre for Advanced Nanomaterials (GICAN), University of Newcastle, Callaghan, NSW 2308, Australia.
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20
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Li Y, Liu M, Li R, Sun P, Xia H, He T. Polycyclic aromatic hydrocarbons in the soils of the Yangtze River Delta Urban Agglomeration, China: Influence of land cover types and urbanization. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 715:137011. [PMID: 32041055 DOI: 10.1016/j.scitotenv.2020.137011] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/27/2020] [Accepted: 01/29/2020] [Indexed: 06/10/2023]
Abstract
With the development of urbanization, urban areas have become the main sources and sinks of polycyclic aromatic hydrocarbons (PAHs). The effects of human activities on the behaviors of PAHs in urban agglomerations have attracted significant attention. We collected soil samples (n = 330) to investigate the distribution, composition, and sources of 16 PAHs in the Yangtze River Delta Urban Agglomeration using the land resolution of 24 km × 24 km. The concentrations of Σ16PAHs ranged from 21 to 2034 ng/g, with a median value of 124 ± 338 ng/g. The concentrations of PAHs were highest in impervious surfaces (350 ± 352 ng/g), followed by grassland (259 ± 322 ng/g), cropland (254 ± 341 ng/g), forest (190 ± 303 ng/g), and water (68 ± 34 ng/g). PAHs were dominated by medium-molecular-weight components (4 rings PAHs), followed by PAHs with high-molecular-weight (5-6 rings PAHs) and low-molecular-weight (2-3 rings PAHs) components. Fluoranthene, benzo[a]anthracene and chrysene are three major pollutants in YRDUA. A positive matrix factorization model indicated that fossil fuel combustion, coal combustion and volatilization, vehicle emission, and biomass burning were the main sources of PAHs, contributing 36%, 29%, 22%, and 12% of PAH sources, respectively. Urbanization parameters were positively correlated with PAH concentrations. A land use regression (LUR) model integrated with urbanization parameters showed evidence of the strong relationship between measured PAHs and predicted PAHs. These findings together highlighted that land cover types and human activities intensively influenced the PAHs pollution in the highly urbanized zones.
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Affiliation(s)
- Ye Li
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China
| | - Min Liu
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China; Institute of Eco-Chongming (IEC), 3663 N. Zhongshan Road, Shanghai 200062, China.
| | - Runkui Li
- College of Resources and Environment, University of Chinese Academy Sciences, Beijing 100049, China; State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Pei Sun
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China
| | - Haibin Xia
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China
| | - Tianhao He
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China
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21
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Idowu O, Carbery M, O'Connor W, Thavamani P. Speciation and source apportionment of polycyclic aromatic compounds (PACs) in sediments of the largest salt water lake of Australia. CHEMOSPHERE 2020; 246:125779. [PMID: 31927372 DOI: 10.1016/j.chemosphere.2019.125779] [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: 10/28/2019] [Revised: 12/25/2019] [Accepted: 12/27/2019] [Indexed: 06/10/2023]
Abstract
Great ecological and human health risks may arise from the presence of polycyclic aromatic hydrocarbons (PAHs) in aquatic environments and particularly in sediments, where they often partition. In spite of the apparent risk, knowledge about PAHs and their polar derivatives in sediments is limited. We, therefore, carried out an assessment of the concentrations of parent PAHs and their derivatives (polar PAHs) in sediments of Lake Macquarie: the largest saltwater lake in the southern hemisphere. A total of 31 sediment samples along the pollution prone western shoreline of the estuary were analysed. Multiple source apportionment methods were used to investigate PAH sources contributing to parent and polar PAH concentrations in the estuarine sediments. Concentration levels were highest for high molecular weight (HMW) PAHs compared to low molecular weight (LMW) PAHs. The highest PAH concentrations were recorded for oxygenated PAHs (oxy-PAHs) compared to parent and other polar PAHs. Polycyclic aromatic hydrocarbon diagnostic ratios and compositional analysis showed that PAHs in Lake Macquarie were predominantly pyrogenic exhibiting strong positive correlation (R2 = 0.972) with total PAH concentrations. Principal Component Analysis (PCA) identified three groupings of PAHs with oxy-PAHs and NPAHs dominating (40.2%). Carbazole, a heterocyclic PAH, was also a prominent contributor to sediment PAH concentrations. Atmospheric deposition, coal combustion and vehicular emissions were implicated as the major contributors to sediment pollution.
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Affiliation(s)
- Oluyoye Idowu
- Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Maddison Carbery
- Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Wayne O'Connor
- Port Stephens Fisheries Institute, NSW Department of Primary Industries, Port Stephens, NSW, 2316, Australia
| | - Palanisami Thavamani
- Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW, 2308, Australia; Global Innovative Centre for Advanced Nanomaterials (GICAN), University of Newcastle, Callaghan, NSW, 2308, Australia.
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22
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Geisse AR, Ngule CM, Genna DT. Removal of lead ions from water using thiophene-functionalized metal-organic frameworks. Chem Commun (Camb) 2019; 56:237-240. [PMID: 31803866 DOI: 10.1039/c9cc09022c] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Heavy metal ion contamination in water is a hazard to all life. The removal of such ions from aqueous media by porous metal-organic frameworks (MOFs) is a growing field. Herein we report the use of thiophene containing MOFs, notably DUT-67, for the removal of Pb2+ ions from water under both batch and flow conditions with a max loading of 98.5 mg Pb2+ per g MOF. Solution-phase 207Pb NMR spectroscopy and an observed decrease in adsorption with non-thiophene containing systems support a mechanism of adsorption via a putative 6π-η5-thiophene-Pb2+ coordination.
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Affiliation(s)
- Alissa R Geisse
- Department of Chemistry, Youngstown State University, Youngstown, OH 44555, USA.
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23
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Mojiri A, Zhou JL, Ohashi A, Ozaki N, Kindaichi T. Comprehensive review of polycyclic aromatic hydrocarbons in water sources, their effects and treatments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 696:133971. [PMID: 31470323 DOI: 10.1016/j.scitotenv.2019.133971] [Citation(s) in RCA: 216] [Impact Index Per Article: 43.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 08/13/2019] [Accepted: 08/17/2019] [Indexed: 05/21/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are principally derived from the incomplete combustion of fossil fuels. This study investigated the occurrence of PAHs in aquatic environments around the world, their effects on the environment and humans, and methods for their removal. Polycyclic aromatic hydrocarbons have a great negative impact on the humans and environment, and can even cause cancer in humans. Use of good methods and equipment are essential to monitoring PAHs, and GC/MS and HPLC are usually used for their analysis in aqueous solutions. In aquatic environments, the PAHs concentrations range widely from 0.03 ng/L (seawater; Southeastern Japan Sea, Japan) to 8,310,000 ng/L (Domestic Wastewater Treatment Plant, Siloam, South Africa). Moreover, bioaccumulation of ∑16PAHs in fish has been reported to range from 11.2 ng/L (Cynoscion guatucupa, South Africa) to 4207.5 ng/L (Saurida undosquamis, Egypt). Several biological, physical and chemical and biological techniques have been reported to treat water contaminated by PAHs, but adsorption and combined treatment methods have shown better removal performance, with some methods removing up to 99.99% of PAHs.
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Affiliation(s)
- Amin Mojiri
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Hiroshima, Japan.
| | - John L Zhou
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Akiyoshi Ohashi
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Hiroshima, Japan
| | - Noriatsu Ozaki
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Hiroshima, Japan
| | - Tomonori Kindaichi
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Hiroshima, Japan
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24
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Zhao J, Tian W, Liu S, Wang Z, Du Z, Xie W. Existence, removal and transformation of parent and nitrated polycyclic aromatic hydrocarbons in two biological wastewater treatment processes. CHEMOSPHERE 2019; 224:527-537. [PMID: 30836248 DOI: 10.1016/j.chemosphere.2019.02.164] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 02/18/2019] [Accepted: 02/23/2019] [Indexed: 06/09/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) and nitrated polycyclic aromatic hydrocarbons (NPAHs) are pollutants commonly present in the environment. Some NPAHs are considered to have more severe toxic effects than their parent PAHs. The existence of 16 PAHs (678.5-3817.8 ng/L in wastewater, 499.9 ng/g-1239.6 ng/g in sludge) and 5 NPAHs (175.8-1392.4 ng/L in wastewater, 483.5 ng/g-2763.1 ng/g in sludge) was determined in a biological wastewater treatment plant (WWTP) in Qingdao, China. Anthracene and naphthalene were the predominant PAHs, and 2-nitrofluorene and 9-nitroanthracene were the predominant NPAHs. Petroleum, liquid fossil fuel combustion and exhaust emissions were the main sources of PAHs and NPAHs in this study. In both the sequencing batch reactor/moving-bed biofilm (SBR/MBBR) and the anaerobic-anoxic-aerobic (A2O) process, low-molecular-weight PAHs were mainly removed through volatilization and biodegradation/biotransformation. Meanwhile, the removal of high-molecular-weight PAHs and NPAHs depended on adsorption and sedimentation. The transformation from PAHs to NPAHs mainly occurred in the aqueous-phase, especially in summer and that was confirmed by mass flow and ratios variation. Overall, the removal capacity of the A2O process for PAHs and NPAHs was better than that of the SBR/MBBR process. Tertiary treatment processes had little effect or even a negative effect on the removal of PAHs and NPAHs.
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Affiliation(s)
- Jing Zhao
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Weijun Tian
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, PR China; Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, PR China.
| | - Shuhui Liu
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Zhe Wang
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Zhaoyang Du
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Wenlong Xie
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, PR China
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25
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Trine LSD, Davis EL, Roper C, Truong L, Tanguay RL, Massey Simonich SL. Formation of PAH Derivatives and Increased Developmental Toxicity during Steam Enhanced Extraction Remediation of Creosote Contaminated Superfund Soil. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:4460-4469. [PMID: 30957485 PMCID: PMC7103206 DOI: 10.1021/acs.est.8b07231] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Steam enhanced extraction (SEE) is an in situ thermal remediation technique used to remove and recover polycyclic aromatic hydrocarbons (PAHs) from contaminated soils. However, limited studies have been conducted on the formation of PAH derivatives during and after SEE of PAH contaminated soils. Creosote contaminated soil samples collected from the Wyckoff-Eagle Harbor Superfund site were remediated with laboratory scale SEE. The samples were quantified for unsubstituted PAHs and their derivatives and assessed for developmental toxicity, pre- and post-SEE. Following SEE, unsubstituted PAH concentrations decreased, while oxygenated PAH concentrations increased in soil and aqueous extracts. Differences in developmental toxicity were also measured and linked to the formation of PAH derivatives. Additive toxicity was measured when comparing unfractionated extracts to fractionated extracts in pre- and post-SEE samples. SEE is effective in removing unsubstituted PAHs from contaminated soil, but other, potentially more toxic, PAH derivatives are formed.
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Affiliation(s)
- Lisandra Santiago Delgado Trine
- Department of Environmental & Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
- Department of Chemistry, Oregon State University, Corvallis, OR 97331, USA
| | - Eva L. Davis
- Groundwater, Watershed and Ecosystems Restoration Division, United States Environmental Protection Agency, Ada, OK 74820, USA
| | - Courtney Roper
- Department of Environmental & Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
| | - Lisa Truong
- Department of Environmental & Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
| | - Robert L. Tanguay
- Department of Environmental & Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
| | - Staci L. Massey Simonich
- Department of Environmental & Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
- Department of Chemistry, Oregon State University, Corvallis, OR 97331, USA
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26
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Idowu O, Semple KT, Ramadass K, O'Connor W, Hansbro P, Thavamani P. Beyond the obvious: Environmental health implications of polar polycyclic aromatic hydrocarbons. ENVIRONMENT INTERNATIONAL 2019; 123:543-557. [PMID: 30622079 DOI: 10.1016/j.envint.2018.12.051] [Citation(s) in RCA: 192] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 12/02/2018] [Accepted: 12/21/2018] [Indexed: 05/07/2023]
Abstract
The genotoxic, mutagenic and carcinogenic effects of polar polycyclic aromatic hydrocarbons (polar PAHs) are believed to surpass those of their parent PAHs; however, their environmental and human health implications have been largely unexplored. Oxygenated PAHs (oxy-PAHs) is a critical class of polar PAHs associated with carcinogenic effects without enzymatic activation. They also cause an upsurge in reactive oxygen species (ROS) in living cells. This results in oxidative stress and other consequences, such as abnormal gene expressions, altered protein activities, mutagenesis, and carcinogenesis. Similarly, some nitrated PAHs (N-PAHs) are probable human carcinogens as classified by the International Agency for Research on Cancer (IARC). Heterocyclic PAHs (polar PAHs containing nitrogen, sulphur and oxygen atoms within the aromatic rings) have been shown to be potent endocrine disruptors, primarily through their estrogenic activities. Despite the high toxicity and enhanced environmental mobility of many polar PAHs, they have attracted only a little attention in risk assessment of contaminated sites. This may lead to underestimation of potential risks, and remediation end points. In this review, the toxicity of polar PAHs and their associated mechanisms of action, including their role in mutagenic, carcinogenic, developmental and teratogenic effects are critically discussed. This review suggests that polar PAHs could have serious toxicological effects on human health and should be considered during risk assessment of PAH-contaminated sites. The implications of not doing so were argued and critical knowledge gaps and future research requirements discussed.
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Affiliation(s)
- Oluyoye Idowu
- Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW 2308, Australia
| | - Kirk T Semple
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, United Kingdom
| | - Kavitha Ramadass
- Global Innovative Centre for Advanced Nanomaterials (GICAN), University of Newcastle, Callaghan, NSW 2308, Australia
| | - Wayne O'Connor
- Port Stephens Fisheries Institute, NSW Department of Primary Industries, Port Stephens, Australia
| | - Phil Hansbro
- Centre for Inflammation, Centenary Institute, Sydney, NSW 2050, Australia; University of Technology Sydney, Faculty of Science, Ultimo, NSW 2007, Australia
| | - Palanisami Thavamani
- Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW 2308, Australia.
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Ranjbar Jafarabadi A, Riyahi Bakhtiari A, Yaghoobi Z, Kong Yap C, Maisano M, Cappello T. Distributions and compositional patterns of polycyclic aromatic hydrocarbons (PAHs) and their derivatives in three edible fishes from Kharg coral Island, Persian Gulf, Iran. CHEMOSPHERE 2019; 215:835-845. [PMID: 30359953 DOI: 10.1016/j.chemosphere.2018.10.092] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 10/06/2018] [Accepted: 10/15/2018] [Indexed: 05/24/2023]
Abstract
This is the first report on bioaccumulation of polycyclic aromatic hydrocarbons (PAHs) and their derivatives (oxygen, nitrogen, sulfur, hydroxyl, carbonyl and methyl-containing PAHs) in three edible marine fishes, namely Lutjanus argentimaculatus, Lethrinus microdon and Scomberomorus guttatus, from Kharg Island, Persian Gulf, Iran. The concentrations (ng g-1dw) of Σ39PAHs resulted significantly higher in fish liver than muscle, with the PAH composition pattern dominated by low molecular weight compounds (naphthalene, alkyl-naphthalenes and phenanthrene). The highest mean concentrations of ∑9 oxygenated and ∑15 hydroxylated PAHs (ng g-1dw) were found ound in L. microdon and L. argentimaculatus, respectively, while the lowest values in S. guttatus. Additionally, the highest mean concentrations of Σ5 carbonylic PAHs (ng g-1dw) were found in L. argentimaculatus, followed by L. microdon. The PAHs levels and distribution in fish liver and muscle were dependent on both the Kow of PAHs congeners and fish lipid contents. Overall, the present findings provide important baseline data for further research on the ecotoxicity of PAHs in aquatic organisms, and consequent implications for human health.
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Affiliation(s)
- Ali Ranjbar Jafarabadi
- Department of Environmental Sciences, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, Noor, Mazandaran, Iran.
| | - Alireza Riyahi Bakhtiari
- Department of Environmental Sciences, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, Noor, Mazandaran, Iran.
| | - Zeinab Yaghoobi
- Department of Marine Biology, Faculty of Marine Science, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran
| | - Chee Kong Yap
- Department of Biology, Faculty of Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Maria Maisano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Tiziana Cappello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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28
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Brendel S, Polleichtner C, Behnke A, Jessel S, Hassold E, Jennemann C, Einhenkel-Arle D, Seidel A. Four selected high molecular weight heterocyclic aromatic hydrocarbons: Ecotoxicological hazard assessment, environmental relevance and regulatory needs under REACH. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 163:340-348. [PMID: 30059878 DOI: 10.1016/j.ecoenv.2018.07.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Revised: 07/05/2018] [Accepted: 07/08/2018] [Indexed: 06/08/2023]
Abstract
Little is known about the ecotoxicity of heterocyclic aromatic hydrocarbons (NSO-HETs) to aquatic organisms. In the environment, NSO-HETs have been shown to occur in a strong association with their unsubstituted carbocyclic analogues, the polycyclic aromatic hydrocarbons (PAH), for which much more information is available. The present study addressed this issue by investigating the toxicity of four selected NSO-HETs in green algae (Desmodesmus subspicatus), daphnids (Daphnia magna) and fish embryos (Danio rerio). The four high molecular weight NSO-HETs dibenz[a,j]acridine (DBA), 7H-dibenzo[c,g]carbazole (DBC), benzo[b]naphtho[2,1-d]thiophene (BNT) and benzo[b]naphtho[1,2-d]furan (BNF) were selected, based on the results of a previous research project, indicating a lack of toxicity data and a high potential for persistence and bioaccumulation. The solubilities of the NSO-HETs in the test media were determined and turned out to be comparatively low (2.7-317 µg/L) increasing in the following order: DBA < BNT « DBC « BNF. Exposure concentrations during the toxicity tests were quantified with GC-MS and decreased strongly possibly due to sorption or metabolising during the test periods (48-96 h). Therefore, the estimated effect concentrations were related to the mean measured concentrations, as endpoints related to nominal concentrations would have underestimated the toxicity many times over. Within the range of the substance solubilities, BNF affected all test organisms with fish embryos being the most sensitive (fish: EC50 6.7 µg/L, algae: EC10 17.8 µg/L, daphnids: EC50 55.8 µg/L). DBC affected daphnids (EC50 2.5 µg/L,) and algae (EC10 3.1 µg/L), but not fish embryos. The lowest toxicity endpoint was observed for BNT affecting only algae (NOEC 0.556 µg/L) and neither daphnids nor fish embryos. DBA did not show any effects on the tested organisms in the range of the water solubility. However, we would expect effects in long-term toxicity studies to fish and aquatic invertebrates for all substances at lower concentrations, which needs further investigation. All four NSO-HETs were identified in mussels (Mytilus edulis) from the German coasts, in green kale (Brassica oleracea var. acephala) and in freshwater harbor sediment in concentrations between 0.07 and 2 µg/kg, highlighting their relevance as environmental contaminants. There is a need to regulate the four NSO-HETs within the REACH regulation due to their intrinsic properties and their environmental relevance. However, acquisition of additional experimental data appears to be pivotal for a regulation under REACH.
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Affiliation(s)
| | | | - Andreas Behnke
- Biochemical Institute for Environmental Carcinogens Prof. Dr. Gernot Grimmer Foundation, Grosshansdorf, Germany.
| | - Sönke Jessel
- Biochemical Institute for Environmental Carcinogens Prof. Dr. Gernot Grimmer Foundation, Grosshansdorf, Germany.
| | | | - Christian Jennemann
- Berlin Office for Occupational Safety, Protection of Health and Technical Safety (LAGetSi), Berlin, Germany.
| | | | - Albrecht Seidel
- Biochemical Institute for Environmental Carcinogens Prof. Dr. Gernot Grimmer Foundation, Grosshansdorf, Germany.
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Experimental Designs for Optimizing Multi-residual Microwave-assisted Extraction and Chromatographic Analysis of Oxygenated (Hydroxylated, Quinones) Metabolites of PAHs in Sediments. Chromatographia 2018. [DOI: 10.1007/s10337-018-3584-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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30
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Enerstvedt KS, Sydnes MO, Larssen E, Pampanin DM. Screening for protein adducts of naphthalene and chrysene in plasma of exposed Atlantic cod (Gadus morhua). CHEMOSPHERE 2018; 200:67-79. [PMID: 29475030 DOI: 10.1016/j.chemosphere.2018.02.091] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 02/14/2018] [Accepted: 02/15/2018] [Indexed: 06/08/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are well known contaminants, ubiquitously present in the habitat and spawning areas for Atlantic cod (Gadus morhua). The Atlantic cod is a key species and a globally important food source, thus continuous monitoring of PAHs is considered highly valuable to ensure ecosystem sustainability and human food safety. PAH adducts to plasma proteins are applied as sensitive biomarkers of PAH exposure in humans and other species, thus the presence of PAH protein adducts in Atlantic cod plasma was investigated to identify PAH protein adduct biomarker candidates of exposure to PAHs. Blood plasma samples were collected from Atlantic cod (n = 66) one week after exposure by intramuscular injection of single PAHs (i.e. naphthalene and chrysene), and their corresponding dihydrodiol metabolites (i.e. (-)-(1R,2R)-1,2-dihydronaphthalene-1,2-diol and (-)-(1R,2R)-1,2-dihydrochrysene-1,2-diol). The samples were analyzed by shotgun tandem mass spectrometry (MS) and the resulting MS data were analyzed in Byonic™ to screen for proteins susceptible to adduct formation with naphthalene and chrysene. Furthermore, a wildcard modification search was performed to obtain additional information regarding potential modifications other than the targeted metabolites. The amino acid adductation sites and the metabolites involved in PAH adductation are reported. Forty-four proteins were found to bind PAHs. Alpha-2-macroglobulin-like proteins, apolipoproteins B-100-like proteins and an alpha-2-HS-glycoprotein were detected with the highest number of bound PAHs. This first insight into PAH protein adducts of Atlantic cod plasma generates valuable knowledge for the development of highly sensitive biomarkers of PAH exposure.
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Affiliation(s)
- Karianne S Enerstvedt
- International Research Institute of Stavanger (IRIS) - Environment Department, Mekjarvik 12, NO-4070 Randaberg, Norway; Faculty of Science and Technology, Department of Mathematics and Natural Science, University of Stavanger, NO-4036 Stavanger, Norway
| | - Magne O Sydnes
- Faculty of Science and Technology, Department of Mathematics and Natural Science, University of Stavanger, NO-4036 Stavanger, Norway
| | - Eivind Larssen
- International Research Institute of Stavanger (IRIS) - Environment Department, Mekjarvik 12, NO-4070 Randaberg, Norway
| | - Daniela M Pampanin
- International Research Institute of Stavanger (IRIS) - Environment Department, Mekjarvik 12, NO-4070 Randaberg, Norway; Faculty of Science and Technology, Department of Mathematics and Natural Science, University of Stavanger, NO-4036 Stavanger, Norway.
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31
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Yu Y, Yu Z, Wang Z, Lin B, Li L, Chen X, Zhu X, Xiang M, Ma R. Polycyclic aromatic hydrocarbons (PAHs) in multi-phases from the drinking water source area of the Pearl River Delta (PRD) in South China: Distribution, source apportionment, and risk assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:12557-12569. [PMID: 29464605 DOI: 10.1007/s11356-018-1421-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 01/29/2018] [Indexed: 06/08/2023]
Abstract
Sixteen priority polycyclic aromatic hydrocarbons (PAHs) were investigated in the water dissolved phase (DP), suspended particulate matter (SPM), and sediment collected from the water source zone of the Pearl River Delta region. The sum of 16 PAH concentrations ranged from 92.8 to 324 ng/L in the water DP, from 28.8 to 205 ng/L in the SPM, and from 55.7 to 381 ng/g (d.w.) in the sediment. Compared with other areas globally, the PAH levels were considerably moderate in the DP and SPM and relatively low in the sediment. Spatial distribution of PAHs was site-specific, and relatively higher PAH levels were found in the areas with dense population and heavy traffic. The PAH profile was dominated by two- and three-ring PAHs, and PAH pollution was identified of pyrolytic origins. Based on risk quotient, the ecological risk in water was ranked as moderate, but the adverse health risk associated with water ingestion was minimal. Naphthalene and fluorene of the sediment samples showed potential biological impairment in some locations; nevertheless, the mean effects range median quotient suggested that the ecological risk of multiple PAHs was quite low (less than 10% incidence of adverse effects).
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Affiliation(s)
- Yunjiang Yu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China.
| | - Ziling Yu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
| | - Zhengdong Wang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
| | - Bigui Lin
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
| | - Liangzhong Li
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
| | - Xichao Chen
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
| | - Xiaohui Zhu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
| | - Mingdeng Xiang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China.
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China.
| | - Ruixue Ma
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
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Huang Y, Liu M, Wang R, Khan SK, Gao D, Zhang Y. Characterization and source apportionment of PAHs from a highly urbanized river sediments based on land use analysis. CHEMOSPHERE 2017; 184:1334-1345. [PMID: 28679154 DOI: 10.1016/j.chemosphere.2017.06.117] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 06/19/2017] [Accepted: 06/22/2017] [Indexed: 06/07/2023]
Abstract
The city-scale land use/land cover change derived by urbanization on the fates of PAHs is of great concerns recently. This study evaluated spatiotemporal variations and sources of PAHs from a highly urbanized river sediments in the Huangpu River, Shanghai. Results indicated that the concentrations of PAHs in the sediments varied greatly across locations and seasons. The concentration of Σ16PAHs in the dry season were 6 times higher than that in wet season. The mainstream and midstream of the Huangpu River were identified as the hotspots in both dry and wet seasons. However, 4-ring PAH compounds were dominated, contributing 42.41% ± 6.81% and 44.70 ± 7.73% in the dry and wet seasons, respectively. Multivariate statistical and land use analysis suggested that the main sources of PAHs derived from the cultivation, traffic and commercial activities. Buffer radii (<750 m) area with cultivated land, road/street and transportation and commercial and business facilities contributed significantly the PAHs in the sediment of the Huangpu River. Population density was also an important variable regulating the PAHs concentrations less than 750 m in the wet season. Risk assessment results revealed that the PAHs toxicity in the sediments was higher in dry season than in wet season. Overall, severe land use changes caused by rapid urbanization can contribute more amount of PAHs emission and complicated sources of PAHs, thus provide insights into the importance of land use types in indicating PAHs source.
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Affiliation(s)
- Yanping Huang
- Key Laboratory of Geographic Information Science, Ministry of Education, School of Geographical Sciences, East China Normal University, 500 Dongchuan Road, 200241 Shanghai, China
| | - Min Liu
- Key Laboratory of Geographic Information Science, Ministry of Education, School of Geographical Sciences, East China Normal University, 500 Dongchuan Road, 200241 Shanghai, China.
| | - Ruiqi Wang
- Key Laboratory of Geographic Information Science, Ministry of Education, School of Geographical Sciences, East China Normal University, 500 Dongchuan Road, 200241 Shanghai, China
| | - Saira Khalil Khan
- Key Laboratory of Geographic Information Science, Ministry of Education, School of Geographical Sciences, East China Normal University, 500 Dongchuan Road, 200241 Shanghai, China
| | - Dengzhou Gao
- Key Laboratory of Geographic Information Science, Ministry of Education, School of Geographical Sciences, East China Normal University, 500 Dongchuan Road, 200241 Shanghai, China
| | - Yazhou Zhang
- Key Laboratory of Geographic Information Science, Ministry of Education, School of Geographical Sciences, East China Normal University, 500 Dongchuan Road, 200241 Shanghai, China
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Humel S, Schmidt SN, Sumetzberger-Hasinger M, Mayer P, Loibner AP. Enhanced Accessibility of Polycyclic Aromatic Hydrocarbons (PAHs) and Heterocyclic PAHs in Industrially Contaminated Soil after Passive Dosing of a Competitive Sorbate. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:8017-8026. [PMID: 28578566 DOI: 10.1021/acs.est.7b01198] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
To assess the exposure to polycyclic aromatic hydrocarbons (PAHs) it is important to understand the binding mechanisms between specific soil constituents and the organic pollutant. In this study, sorptive bioaccessibility extraction (SBE) was applied to quantify the accessible PAH fraction in industrially contaminated soil with and without passive dosing of a competitive sorbate. SBE experiments revealed an accessible PAH fraction of 41 ± 1% (∑16 US EPA PAHs + 5 further PAHs). The passive dosing of toluene below its saturation level revealed competitive binding and resulted in an average increase of the accessible fraction to 49 ± 2%, whereby primarily the accessibility of higher molecular weight PAHs (log Kow > 6) was affected. Competitive binding was verified using the same soil with only desorption-resistant PAHs present. In this experiment, passive dosing of toluene resulted in desorption of 13 ± 0.4% PAH. We explain increased PAH desorption after addition of toluene by competitive adsorption to high-affinity sorption sites while acknowledging that toluene could additionally have increased PAH mobility within the soil matrix. Findings suggest that the presence of copollutants at contaminated sites deserves specific considerations as these may increase accessibility and thereby exposure and mobility of PAHs.
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Affiliation(s)
- Stefan Humel
- IFA-Tulln, BOKU-University of Natural Resources and Life Sciences , Vienna, 3430 Tulln, Austria
| | - Stine N Schmidt
- Department of Environmental Engineering, Technical University of Denmark , 2800 Kongens Lyngby, Denmark
| | | | - Philipp Mayer
- Department of Environmental Engineering, Technical University of Denmark , 2800 Kongens Lyngby, Denmark
| | - Andreas P Loibner
- IFA-Tulln, BOKU-University of Natural Resources and Life Sciences , Vienna, 3430 Tulln, Austria
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Dasgupta R, Crowley BE, Barry Maynard J. Organic and Inorganic Pollutant Concentrations Suggest Anthropogenic Contamination of Soils Along the Manali-Leh Highway, Northwestern Himalaya, India. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2017; 72:505-518. [PMID: 28357447 DOI: 10.1007/s00244-017-0396-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 03/23/2017] [Indexed: 06/06/2023]
Abstract
Most studies on roadside soil pollution have been performed in areas where petrol is the main fuel. Very little work has been conducted in regions where diesel predominates. We collected soil samples from four sites that span a precipitation gradient along the Manali-Leh Highway in northwestern Himalaya, India. This road traverses rough terrain and most of the vehicles that travel along it are diesel-driven. At each site, we collected samples at incremental distances from the highway (0, 2, 5, 10, 20, and 150 m), and at each distance we collected samples from three depths (3, 9, and 15 cm). We assessed the concentrations of 10 heavy metals (Al, Fe, Cr, Cu, Pb, Ni, Co, Zn, V, and Ba), total sulphur, and total organic carbon (TOC) at each distance, and we measured the concentration of 16 polycyclic aromatic hydrocarbons (PAHs) at 2 m from the highway. Overall, we found that metal concentrations are low and there is no relationship between concentrations and distance from the highway, or depth within the soil profile. Sulphur concentrations, on the other hand, are high in roadside soils and there is a negative relationship between concentration and distance from the highway. PAH concentrations are low, but the proportion of different ringed species suggests that their source is anthropogenic. Correlations between TOC and the various pollutants further suggest that diesel vehicles and potentially biomass combustion are starting to affect the roadside environment in remote northwestern India. We suggest that pollutant concentrations be regularly monitored.
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Affiliation(s)
- Rajarshi Dasgupta
- Department of Geology, University of Cincinnati, 500 Geology-Physics Building, 345 Clifton Court, Cincinnati, OH, 45221-0013, USA
- Department of Geography, East Calcutta Girls' College, Kolkata, 700070, India
| | - Brooke E Crowley
- Department of Geology, University of Cincinnati, 500 Geology-Physics Building, 345 Clifton Court, Cincinnati, OH, 45221-0013, USA.
- Department of Anthropology, University of Cincinnati, Cincinnati, OH, USA.
| | - J Barry Maynard
- Department of Geology, University of Cincinnati, 500 Geology-Physics Building, 345 Clifton Court, Cincinnati, OH, 45221-0013, USA
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35
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Dispersive liquid–liquid microextraction based on solidification of floating organic drop and fluorescence detection for the determination of nitrated polycyclic aromatic hydrocarbons in aqueous samples. Microchem J 2017. [DOI: 10.1016/j.microc.2016.10.020] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Zhou Q, Lei M, Li J, Liu Y, Zhao K, Zhao D. Magnetic solid phase extraction of N- and S-containing polycyclic aromatic hydrocarbons at ppb levels by using a zerovalent iron nanoscale material modified with a metal organic framework of type Fe@MOF-5, and their determination by HPLC. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2094-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Li C, Huo S, Yu Z, Xi B, Yeager KM, He Z, Ma C, Zhang J, Wu F. National investigation of semi-volatile organic compounds (PAHs, OCPs, and PCBs) in lake sediments of China: Occurrence, spatial variation and risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 579:325-336. [PMID: 27887825 DOI: 10.1016/j.scitotenv.2016.11.097] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 11/15/2016] [Accepted: 11/15/2016] [Indexed: 06/06/2023]
Abstract
In this study, a large scale investigation of semi-volatile organic compounds (SVOCs) in sediments from 52 lakes, located in five geographic regions across China, was conducted to assess sediment quality in terms of organic contaminants. Concentrations of polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides (OCPs), and polychlorinated biphenyls (PCBs) in sediment were found to range between 17.00-6,633, 0.12-45.24, and 0.03-13.99ngg-1, respectively. Lake sediments from different regions exhibited variation in contamination levels, and in the compositions of isomers. The descending order of contamination levels for the three SVOCs groups (i.e., ∑PAHs, ∑OCPs, ∑PCBs) were as follows: the eastern plain region (EPR)>the Yunnan-Guizhou plateau (YGP)>the northeast China region (NCR)>the Qinghai-Tibet plateau (QTP)>the Mongolia-Xinjiang plateau (MXP). High molecular weight PAHs, OCPs and PCBs were found at high concentrations in parts of the EPR and YGP, while lighter isomers were likely to be atmospherically transported, resulting in their nationwide distribution. The sources and type variation (local input or atmospheric deposition) are the primary controls of spatial variation. Additionally, human related socio-economic factors, and geographic conditions also played important roles in influencing the spatial differentiation. According to simple sediment quality guidelines (SQG), the risks posed by PCBs in sediments were not as serious as those posed by PAHs and DDT.
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Affiliation(s)
- Chaocan Li
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, People's Republic of China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, People's Republic of China
| | - Shouliang Huo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, People's Republic of China.
| | - Zhiqiang Yu
- Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, People's Republic of China
| | - Beidou Xi
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, People's Republic of China
| | - Kevin M Yeager
- Department Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506, United States
| | - Zhuoshi He
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, People's Republic of China
| | - Chunzi Ma
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, People's Republic of China
| | - Jingtian Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, People's Republic of China
| | - Fengchang Wu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, People's Republic of China
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Chen SJ, Wang J, Wang T, Wang T, Mai BX, Simonich SLM. Seasonal variations and source apportionment of complex polycyclic aromatic hydrocarbon mixtures in particulate matter in an electronic waste and urban area in South China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 573:115-122. [PMID: 27552735 DOI: 10.1016/j.scitotenv.2016.08.101] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 08/09/2016] [Accepted: 08/15/2016] [Indexed: 05/24/2023]
Abstract
Complex polycyclic aromatic hydrocarbon (PAH) mixtures including parent PAHs, high molecular weight PAHs (MW 302 PAHs), and halogenated PAHs (HPAHs) were measured in particulate matter (PM) in an urban area and a rural electronic waste area in South China. The concentrations of MW < 302 PAHs at two sites were not significantly different with annual means of 23.2 ± 17.2 and 33.7 ± 29.0 ng/m3, respectively. However the concentrations of both MW 302 PAHs (5.35 ± 3.72 ng/m3) and HPAH (49.9 pg/m3) were significantly higher at the e-waste site than the urban site (2.81 ± 2.36 ng/m3 and 28.2 ± 28.5 pg/m3), suggesting e-waste recycling being a significant source of these PAHs. The majority of PAHs exhibited higher concentrations in winter and spring and lower concentrations in fall and summer. Meteorological conditions and increased emissions of PAHs in northern China due to domestic heating in colder seasons are important factors influencing the PAH seasonal variations. Source apportionment by the chemical mass balance (CMB) model indicated that residential stoves (coal combustion), industrial boilers (coal combustion), biomass burning, and vehicular emission accounted for 38 ± 14%, 30 ± 11%, 22 ± 22%, and 10 ± 7% of the PAHs in the urban PM, respectively. Comparable contributions from these sources were also observed for PM at the e-waste site. PAH emission factors are needed for primitive e-waste recycling to further understand the importance of this source to ambient air.
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Affiliation(s)
- She-Jun Chen
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
| | - Jing Wang
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tao Wang
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ting Wang
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bi-Xian Mai
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Staci L Massey Simonich
- Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States; Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331, United States.
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ALLAN IANJ, O’CONNELL STEVENG, MELAND SONDRE, BÆK KINE, GRUNG MERETE, ANDERSON KIMA, RANNEKLEV SISSELB. PAH Accessibility in Particulate Matter from Road-Impacted Environments. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:7964-72. [PMID: 27312518 PMCID: PMC5448791 DOI: 10.1021/acs.est.6b00504] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Snowmelt, surface runoff, or stormwater releases in urban environments can result in significant discharges of particulate matter-bound polycyclic aromatic hydrocarbons (PAHs) into aquatic environments. Recently, more-specific activities such as road-tunnel washing have been identified as contributing to contaminant load to surface waters. However, knowledge of PAH accessibility in particulate matter (PM) of urban origin that may ultimately be released into urban surface waters is limited. In the present study, we evaluated the accessibility of PAHs associated with seven distinct (suspended) particulate matter samples collected from different urban sources. Laboratory-based infinite sink extractions with silicone rubber (SR) as the extractor phase demonstrated a similar pattern of PAH accessibility for most PM samples. Substantially higher accessible fractions were observed for the less-hydrophobic PAHs (between 40 and 80% of total concentrations) compared with those measured for the most-hydrophobic PAHs (<5% of total concentrations). When we focused on PAHs bound to PM from tunnel-wash waters, first-order desorption rates for PAHs with log Kow > 5.5 were found in line with those commonly found for slowly or very slowly desorbing sediment-associated contaminants. PAHs with log Kow < 5.5 were found at higher desorbing rates. The addition of detergents did not influence the extractability of lighter PAHs but increased desorption rates for the heavier PAHs, potentially contributing to increases in the toxicity of tunnel-wash waters when surfactants are used. The implications of total and accessible PAH concentrations measured in our urban PM samples are discussed in a context of management of PAH and PM emission to the surrounding aquatic environment. Although we only fully assessed PAHs in this work, further study should consider other contaminants such as OPAHs, which were also detected in all PM samples.
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Affiliation(s)
- IAN J. ALLAN
- Norwegian Institute for Water Research, Oslo Centre for Interdisciplinary Environmental and Social Research, Gaustadalléen 21, NO-0349, Oslo, Norway
| | - STEVEN G. O’CONNELL
- Environmental and Molecular Toxicology Department, Oregon State University, ALS 1007, 2750 SW Campus Way, Corvallis, Oregon 97331, United States
| | - SONDRE MELAND
- Norwegian Public Roads Administration, Environmental Assessment Section, PO Box 8142 Dep, 0033 Oslo, Norway
- Norwegian University of Life Sciences, Department of Environmental Sciences, PO Box 5003, N-1432 Aas, Norway
| | - KINE BÆK
- Norwegian Institute for Water Research, Oslo Centre for Interdisciplinary Environmental and Social Research, Gaustadalléen 21, NO-0349, Oslo, Norway
| | - MERETE GRUNG
- Norwegian Institute for Water Research, Oslo Centre for Interdisciplinary Environmental and Social Research, Gaustadalléen 21, NO-0349, Oslo, Norway
| | - KIM A. ANDERSON
- Environmental and Molecular Toxicology Department, Oregon State University, ALS 1007, 2750 SW Campus Way, Corvallis, Oregon 97331, United States
| | - SISSEL B. RANNEKLEV
- Norwegian Institute for Water Research, Oslo Centre for Interdisciplinary Environmental and Social Research, Gaustadalléen 21, NO-0349, Oslo, Norway
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40
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Titaley I, Chlebowski A, Truong L, Tanguay RL, Massey Simonicha SL. Identification and Toxicological Evaluation of Unsubstituted PAHs and Novel PAH Derivatives in Pavement Sealcoat Products. ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 2016. [PMID: 30079367 DOI: 10.1021/acs.estlett.6b00116] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Pavement sealcoat products contain high concentrations of unsubstituted polycyclic aromatic hydrocarbons (PAHs), but the assessment of the potential toxicological impact is limited without the inclusion of PAH derivatives. This study determined the concentrations of 23 unsubstituted PAHs, 11 high molecular weight-PAHs (MW302-PAHs), and 56 PAH derivatives, including 10 methyl-PAHs (MPAHs), 10 heterocyclic-PAHs (Hetero-PAHs), 26 nitrated-PAHs (NPAHs), and 10 oxygenated-PAHs (OPAHs) in coal-tar and asphalt based sealcoat products and time point scrapes. Inclusion of MW302-PAHs resulted in an increase of 4.1-38.7% in calculated benzo[a]pyrene-carcinogenic equivalent (B[a]Peq) concentrations for the coal-tar based products. Increases in some NPAH and OPAH concentrations were measured after application, suggesting the possibility of photochemical transformation of unsubstituted PAHs. The Ames assay indicated that the asphalt based product was not mutagenic, but the coal-tar based sealcoat products were. The zebrafish developmental toxicity tests suggested that fractions where NPAHs and OPAHs eluted have the most significant adverse effects.
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Affiliation(s)
- Ivan Titaley
- Department of Chemistry, Oregon State University, Corvallis, OR, 97331, USA
| | - Anna Chlebowski
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA
| | - Lisa Truong
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA
| | - Robert L Tanguay
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA
| | - Staci L Massey Simonicha
- Department of Chemistry, Oregon State University, Corvallis, OR, 97331, USA
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA
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