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Kang D, Ahn YY, Moon HB, Kim K, Jeon J. Exploring micropollutants in polar environments based on non-target analysis using LC-HRMS. MARINE POLLUTION BULLETIN 2024; 209:117083. [PMID: 39393234 DOI: 10.1016/j.marpolbul.2024.117083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 07/31/2024] [Accepted: 09/30/2024] [Indexed: 10/13/2024]
Abstract
The routine use of chemicals in polar regions contributes to unexpected occurrence of micropollutants, with sewage discharge as a prominent pollution source. The aim of this study was to identify and quantify micropollutants in polar environments near potential point sources using non-target analysis (NTA) with liquid chromatography high-resolution mass spectrometry. Seawater samples were collected from Ny-Ålesund, Svalbard and Marian Cove, King George Island, in 2023. We tentatively identified 32 compounds with NTA, along with 105 homologous series substances. Of these, 18 substances were confirmed, and 13 were quantified using the internal standard method. Most quantified substances in the Ny-Ålesund, including caffeine, naproxen, and polyethylene glycols (PEGs), exhibited concentrations ranged from 0.9 to 770,000 ng/L. In Marian Cove, the analysis predominantly detected acetaminophen, with concentrations ranging from 13 to 35 ng/L. The findings underscore the presence and spatial distribution of emerging micropollutants resulting from wastewater discharge in polar regions.
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Affiliation(s)
- Daeho Kang
- Department of Environmental Engineering, Changwon National University, Changwon, Gyeongsangnam-do 51140, Republic of Korea
| | - Yong-Yoon Ahn
- Korea Polar Research Institute (KOPRI), Incheon 21990, Republic of Korea
| | - Hyo-Bang Moon
- Department of Marine Sciences and Convergent Technology, College of Science and Convergence Technology, Hanyang University, Ansan 15588, Republic of Korea
| | - Kitae Kim
- Korea Polar Research Institute (KOPRI), Incheon 21990, Republic of Korea; Department of Polar Science, University of Science of Technology (UST), Incheon 21990, Republic of Korea
| | - Junho Jeon
- Department of Environmental Engineering, Changwon National University, Changwon, Gyeongsangnam-do 51140, Republic of Korea; School of Smart and Green Engineering, Changwon National University, Changwon, Gyeongsangnam-do 51140, Republic of Korea.
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2
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West RJ, Jarrom R, Kelly M, Simon GS, Snyder SA. Exploring structure/property relationships to health and environmental hazards of polymeric polyisocyanate prepolymer substances-3. Aquatic exposure and hazard of aliphatic diisocyanate-based prepolymers. Toxicol Ind Health 2024; 40:441-464. [PMID: 38748851 DOI: 10.1177/07482337241253310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2024]
Abstract
The water extractability and acute aquatic toxicity of seven aliphatic diisocyanate-based prepolymer substances were investigated to determine if lesser reactivity of the aliphatic isocyanate groups, as well as increased ionization potential of the expected (aliphatic amine-terminated) polymeric hydrolysis products, would influence their aquatic behavior compared to that of previously investigated aromatic diisocyanate-based prepolymers. At loading rates of 100 and 1,000 mg/L, only the substances having log Kow ≤9 exhibited more than 1% extractability in water, and a maximum of 66% water extractability was determined for a prepolymer having log Kow = 2.2. For the more hydrophobic prepolymer substances (log Kow values from 18-37), water extractability was negligible. High-resolution mass spectrometric analyses were performed on the water-accommodated fractions (WAF) of the prepolymers, which indicated the occurrence of primary aliphatic amine-terminated polymer species having backbones and functional group equivalent weights aligned to those of the parent prepolymers. Measurements of reduced surface tension and presence of suspended micelles in the WAFs further supported the occurrence of these surface-active cationic polymer species as hydrolysis products of the prepolymers. Despite these characteristics, the water-extractable hydrolysis products were practically non-toxic to Daphnia magna. All of the substances tested exhibited 48-h EL50 values of >1,000 mg/L, with one exception of EL50 = 157 mg/L. The results from this investigation support a grouping of the aliphatic diisocyanate-based prepolymers as a class of water-reactive polymer substances having predictable aquatic exposure and a uniformly low hazard potential, consistent with that previously demonstrated for the aromatic diisocyanate-based prepolymers.
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Tarring E, Robison-Smith C, Cable J, Durance I, Harbottle M, Ward BD. Detection of polyvinylpyrrolidone in Daphnia magna: Development of a refractive index quantification method for water-soluble polymers in aquatic organisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 935:173428. [PMID: 38777065 DOI: 10.1016/j.scitotenv.2024.173428] [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: 02/28/2024] [Revised: 05/03/2024] [Accepted: 05/19/2024] [Indexed: 05/25/2024]
Abstract
The water-soluble polymer polyvinylpyrrolidone (PVP) is an established ingredient in pharmaceutical and personal care product (PPCP) formulations. Due to its high usage and lack of biodegradability, it has been detected up to 7.0 mg L-1 in wastewater and 0.1 mg L-1 in the receiving freshwaters, with several studies showing detrimental sublethal effects in a range of aquatic species. A lack of simple analytical methods to detect and quantify PVP currently impacts further investigation into the cause of these sublethal effects. In this paper we propose a refractive index gel-permeation chromatography (GPC) method to quantify PVP, which includes the processing of raw chromatograms using line deconvolution to calculate peak area. The method was then applied to Daphnia magna exposed to PVP for 48 h. A limit of detection (LOD) and limit of quantification (LOQ) of 0.05 and 0.2 mg mL-1 respectively was determined, with a recovery of 78 % from spiked Daphnia magna. PVP was detected in the samples above the LOD but below the LOQ. This suggests PVP is ingested by Daphnia magna, which warrants further investigation into whether bioaccumulation of PVP could be causing the sublethal effects seen in other studies.
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Affiliation(s)
- Eve Tarring
- School of Chemistry, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | | | - Jo Cable
- School of Biosciences, Cardiff University, Cardiff CF10 3AX, United Kingdom
| | - Isabelle Durance
- School of Biosciences, Cardiff University, Cardiff CF10 3AX, United Kingdom
| | - Michael Harbottle
- School of Engineering, Cardiff University, Cardiff CF24 3AA, United Kingdom
| | - Benjamin D Ward
- School of Chemistry, Cardiff University, Cardiff CF10 3AT, United Kingdom.
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4
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Martinez I Quer A, Arias CA, Ellegaard-Jensen L, Johansen A, Paulsen ML, Pastor A, Carvalho PN. Saturated constructed wetlands for the remediation of cylindrospermopsin and microcystin-LR: Plants, microbes, and biodegradation pathways. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174745. [PMID: 39032754 DOI: 10.1016/j.scitotenv.2024.174745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 06/16/2024] [Accepted: 07/11/2024] [Indexed: 07/23/2024]
Abstract
Harmful cyanobacterial blooms will be more intense and frequent in the future, contaminating surface waters with cyanotoxins and posing a threat to communities heavily reliant on surface water usage for crop irrigation. Constructed wetlands (CWs) are proposed to ensure safe crop irrigation, but more research is needed before implementation. The present study operated 28 mesocosms in continuous mode mimicking horizontal sub-surface flow CWs. Mesocosms were fed with synthetic lake water and spiked periodically with two cyanotoxins, microcystin-LR (MC-LR) and cylindrospermopsin (CYN), at environmentally relevant cyanotoxins concentrations (10 μg L-1). The influence of various design factors, including plant species, porous media, and seasonality, was explored. The mesocosms achieved maximum MC-LR and CYN mass removal rates of 95 % and 98 %, respectively. CYN removal is reported for the first time in CWs mimicking horizontal sub-surface flow CWs. Planted mesocosms consistently outperformed unplanted mesocosms, with Phragmites australis exhibiting superior cyanotoxin mass removal compared to Juncus effusus. Considering evapotranspiration, J. effusus yielded the least cyanotoxin-concentrated effluent due to the lower water losses in comparison with P. australis. Using the P-kC* model, different scaling-up scenarios for future piloting were calculated and discussed. Additionally, bacterial community structure was analyzed through correlation matrices and differential taxa analyses, offering valuable insights into their removal of cyanotoxins. Nevertheless, attempts to validate microcystin-LR biotransformation via the known mlrA gene degradation pathway were unfruitful, indicating alternative enzymatic degradation pathways occurring in such complex CW systems. Further investigation into the precise molecular mechanisms of removal and the identification of transformation products is needed for the comprehensive understanding of cyanotoxin mitigation in CW. This study points towards the feasibility of horizontal sub-surface flow CWs to be employed to control cyanotoxins in irrigation or recreational waters.
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Affiliation(s)
- Alba Martinez I Quer
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - Carlos Alberto Arias
- Department of Biology, Aarhus University, Ole Worms Allé 1, 8000 Aarhus, C, Denmark; WATEC, Centre for Water Technology, Aarhus University, Ny Munkegade 120, 8000 Aarhus, C, Denmark
| | - Lea Ellegaard-Jensen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark; WATEC, Centre for Water Technology, Aarhus University, Ny Munkegade 120, 8000 Aarhus, C, Denmark
| | - Anders Johansen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark; WATEC, Centre for Water Technology, Aarhus University, Ny Munkegade 120, 8000 Aarhus, C, Denmark
| | - Maria Lund Paulsen
- Arctic Research Centre, Department of Biology, Ole Worms Allé 1, 8000, Aarhus, C, Denmark; Marine Microbiology, Bergen University, Thormøhlens gate, 53, Bergen, Norway
| | - Ada Pastor
- Department of Biology, Aarhus University, Ole Worms Allé 1, 8000 Aarhus, C, Denmark; Group of Continental Aquatic Ecology Research (GRECO), Institute of Aquatic Ecology, University of Girona, Campus Montilivi, 17003 Girona, Spain
| | - Pedro N Carvalho
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark; WATEC, Centre for Water Technology, Aarhus University, Ny Munkegade 120, 8000 Aarhus, C, Denmark.
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González Álvarez Á, Martinez I Quer A, Ellegaard-Jensen L, Sapkota R, Carvalho PN, Johansen A. Fungal removal of cyanotoxins in constructed wetlands: The forgotten degraders. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172590. [PMID: 38642746 DOI: 10.1016/j.scitotenv.2024.172590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 04/14/2024] [Accepted: 04/17/2024] [Indexed: 04/22/2024]
Abstract
Harmful cyanobacterial blooms have increased globally, releasing hazardous cyanotoxins that threaten the safety of water resources. Constructed wetlands (CWs) are a nature-based and low-cost solution to purify and remove cyanotoxins from water. However, bio-mechanistic understanding of the biotransformation processes expected to drive cyanotoxin removal in such systems is poor, and primarily focused on bacteria. Thus, the present study aimed at exploring the fungal contribution to microcystin-LR and cylindrospermopsin biodegradation in CWs. Based on CW mesocosms, two experimental approaches were taken: a) amplicon sequencing studies were conducted to investigate the involvement of the fungal community; and b) CW fungal isolates were tested for their microcystin-LR and cylindrospermopsin degradation capabilities. The data uncovered effects of seasonality (spring or summer), cyanotoxin exposure, vegetation (unplanted, Juncus effusus or Phragmites australis) and substratum (sand or gravel) on the fungal community structure. Additionally, the arbuscular mycorrhizal fungus Rhizophagus and the endophyte Myrmecridium showed positive correlations with cyanotoxin removal. Fungal isolates revealed microcystin-LR-removal potentials of approximately 25 % in in vitro biodegradation experiments, while the extracellular chemical fingerprint of the cultures suggested a potential intracellular metabolization. The results from this study may help us understand the fungal contribution to cyanotoxin removal, as well as their ecology in CWs.
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Affiliation(s)
- Ángela González Álvarez
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - Alba Martinez I Quer
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - Lea Ellegaard-Jensen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark; WATEC, Centre for Water Technology, Aarhus University, Ny Munkegade 120, 8000 Aarhus C, Denmark
| | - Rumakanta Sapkota
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - Pedro N Carvalho
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark; WATEC, Centre for Water Technology, Aarhus University, Ny Munkegade 120, 8000 Aarhus C, Denmark.
| | - Anders Johansen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark; WATEC, Centre for Water Technology, Aarhus University, Ny Munkegade 120, 8000 Aarhus C, Denmark
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6
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Sanz C, Sunyer-Caldú A, Casado M, Mansilla S, Martinez-Landa L, Valhondo C, Gil-Solsona R, Gago-Ferrero P, Portugal J, Diaz-Cruz MS, Carrera J, Piña B, Navarro-Martín L. Efficient removal of toxicity associated to wastewater treatment plant effluents by enhanced Soil Aquifer Treatment. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133377. [PMID: 38237439 DOI: 10.1016/j.jhazmat.2023.133377] [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: 10/10/2023] [Revised: 12/20/2023] [Accepted: 12/25/2023] [Indexed: 02/08/2024]
Abstract
The regeneration of wastewater has been recognized as an effective strategy to counter water scarcity. Nonetheless, Wastewater Treatment Plant (WWTP) effluents still contain a wide range of contaminants of emerging concern (CECs) even after water depuration. Filtration through Soil Aquifer Treatment (SAT) systems has proven efficient for CECs removal although the attenuation of their associated biological effects still remains poorly understood. To evaluate this, three pilot SAT systems were monitored, two of them enhanced with different reactive barriers. SATs were fed with secondary effluents during two consecutive campaigns. Fifteen water samples were collected from the WWTP effluent, below the barriers and 15 m into the aquifer. The potential attenuation of effluent-associated biological effects by SATs was evaluated through toxicogenomic bioassays using zebrafish eleutheroembryos and human hepatic cells. Transcriptomic analyses revealed a wide range of toxic activities exerted by the WWTP effluents that were reduced by more than 70% by SAT. Similar results were observed when HepG2 hepatic cells were tested for cytotoxic and dioxin-like responses. Toxicity reduction appeared partially determined by the barrier composition and/or SAT managing and correlated with CECs removal. SAT appears as a promising approach to efficiently reduce effluent-associated toxicity contributing to environmental and human health preservation.
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Affiliation(s)
- Claudia Sanz
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - Adrià Sunyer-Caldú
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - Marta Casado
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - Sylvia Mansilla
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - Lurdes Martinez-Landa
- Associated Unit: Hydrogeology Group (UPC-CSIC), Spain; Dept. of Civil and Environmental Engineering. Universitat Politècnica de Catalunya, Barcelona, Spain
| | - Cristina Valhondo
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain; Associated Unit: Hydrogeology Group (UPC-CSIC), Spain; Geosciences Montpellier, Université de Montpellier, CNRS, Montpellier, France
| | - Ruben Gil-Solsona
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - Pablo Gago-Ferrero
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - Jose Portugal
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - M Silvia Diaz-Cruz
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - Jesús Carrera
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain; Associated Unit: Hydrogeology Group (UPC-CSIC), Spain
| | - Benjamin Piña
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain
| | - Laia Navarro-Martín
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain.
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Kang D, Yun D, Cho KH, Baek SS, Jeon J. Profiling emerging micropollutants in urban stormwater runoff using suspect and non-target screening via high-resolution mass spectrometry. CHEMOSPHERE 2024; 352:141402. [PMID: 38346509 DOI: 10.1016/j.chemosphere.2024.141402] [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: 10/24/2023] [Revised: 01/31/2024] [Accepted: 02/05/2024] [Indexed: 02/24/2024]
Abstract
Urban surface runoff contains chemicals that can negatively affect water quality. Urban runoff studies have determined the transport dynamics of many legacy pollutants. However, less attention has been paid to determining the first-flush effects (FFE) of emerging micropollutants using suspect and non-target screening (SNTS). Therefore, this study employed suspect and non-target analyses using liquid chromatography-high resolution mass spectrometry to detect emerging pollutants in urban receiving waters during stormwater events. Time-interval sampling was used to determine occurrence trends during stormwater events. Suspect screening tentatively identified 65 substances, then, their occurrence trend was grouped using correlation analysis. Non-target peaks were prioritized through hierarchical cluster analysis, focusing on the first flush-concentrated peaks. This approach revealed 38 substances using in silico identification. Simultaneously, substances identified through homologous series observation were evaluated for their observed trends in individual events using network analysis. The results of SNTS were normalized through internal standards to assess the FFE, and the most of tentatively identified substances showed observed FFE. Our findings suggested that diverse pollutants that could not be covered by target screening alone entered urban water through stormwater runoff during the first flush. This study showcases the applicability of the SNTS in evaluating the FFE of urban pollutants, offering insights for first-flush stormwater monitoring and management.
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Affiliation(s)
- Daeho Kang
- Department of Environmental Engineering, Changwon National University, Changwon, Gyeongsangnamdo, 51140, South Korea
| | - Daeun Yun
- Civil Urban Earth and Environmental Engineering, Ulsan National Institute of Science and Technology, 50 UNIST-gil, Eonyang-eup, Ulju-gun, Ulsan, 44919, South Korea
| | - Kyung Hwa Cho
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 02841, South Korea
| | - Sang-Soo Baek
- Department of Environmental Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan-Si, Gyeongbuk, 38541, South Korea
| | - Junho Jeon
- Department of Environmental Engineering, Changwon National University, Changwon, Gyeongsangnamdo, 51140, South Korea; School of Smart and Green Engineering, Changwon National University, Changwon, Gyeongsangnamdo, 51140, South Korea.
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8
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Robison-Smith C, Masud N, Tarring EC, Ward BD, Cable J. A class of their own? Water-soluble polymer pollution impacting a freshwater host-pathogen system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:168086. [PMID: 37890633 DOI: 10.1016/j.scitotenv.2023.168086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/29/2023] [Accepted: 10/22/2023] [Indexed: 10/29/2023]
Abstract
While the inclusion of synthetic polymers such as primary microplastics within personal care products have been widely restricted under EU/UK Law, water-soluble polymers (WSPs) have so far slipped the net of global chemical regulation despite evidence that these could be polluting wastewater effluents at concentrations greatly exceeding those of microplastics. Polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP) represent WSPs with common industry and household uses, down-the-drain disposal and a direct route to wastewater treatment plants, conveying high risk of environmental leaching into freshwater ecosystems. The current study is the first investigating the impacts of predicted environmental concentrations of these WSPs on life-history traits of two freshwater species also constituting a disease model (fish - Poecilia reticulata and parasite - Gyrodactylus turnbulli). Single effects of WSPs on fish as well as their interactive effects with infection of the ectoparasite were determined over a 45-day exposure. Generally, WSPs reduced fish growth and increased routine metabolic rate of fish implying a depleted energetic budget, however these effects were dose, exposure time and polymer dependent. Parasitic infection alone caused a significant reduction in fish growth and enhanced fish routine metabolic rate. In contrast, a non-additive effect on metabolic rate was evident in fish experiencing simultaneous infection and WSP exposure, suggesting a protective effect of the two WSPs for fish also exposed to a metazoan ectoparasite. Off-host parasite survival was significantly lowered by both WSPs; however, parasite counts of infected fish also exposed to WSP were not significantly different from the control, implying more complex mechanisms may underpin this stressor interaction. Distinct detrimental impacts were inflicted on both organisms implying environmental leaching of WSPs may be causing significant disruption to interspecies interactions within freshwater ecosystems. Additionally, these results could contribute to sustainable development in industry, as we conclude PVA represents a less harmful alternative to PVP.
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Affiliation(s)
| | - Numair Masud
- School of Biosciences, Cardiff University, CF10 3AX, UK
| | - Eve C Tarring
- School of Chemistry, Cardiff University, CF10 3AT, UK
| | | | - Jo Cable
- School of Biosciences, Cardiff University, CF10 3AX, UK
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9
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Ashraf M, Ahammad SZ, Chakma S. Advancements in the dominion of fate and transport of pharmaceuticals and personal care products in the environment-a bibliometric study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:64313-64341. [PMID: 37067715 PMCID: PMC10108824 DOI: 10.1007/s11356-023-26796-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 03/30/2023] [Indexed: 05/11/2023]
Abstract
The study on the fate and transport of Pharmaceuticals and Personal Care Products, PPCPs (FTP) in the environment, has received particular attention for over two decades. The PPCPs threaten ecology and human health even at low concentrations due to their synergistic effects and long-range transport. The research aims to provide an inclusive map of the scientific background of FTP research over the last 25 years, from 1996 to 2020, to identify the main characteristics, evolution, salient research themes, trends, and research hotspots in the field of interest. Bibliometric networks were synthesized and analyzed for 577 journal articles extracted from the Scopus database. Consequently, seven major themes of FTP research were identified as follows: (i) PPCPs category; (ii) hazardous effects; (iii) occurrence of PPCPs; (iv) PPCPs in organisms; (v) remediation; (vi) FTP-governing processes; and (vii) assessment in the environment. The themes gave an in-depth picture of the sources of PPCPs and their transport and fate processes in the environment, which originated from sewage treatment plants and transported further to sediment/soils/groundwater/oceans that act as the PPCPs' major sink. The article provided a rigorous analysis of the research landscape in the FTP study conducted during the specified years. The prominent research themes, content analysis, and research hotspots identified in the study may serve as the basis of real-time guidance to lead future research areas and a prior review for policymakers and practitioners.
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Affiliation(s)
- Maliha Ashraf
- School of Interdisciplinary Research, Indian Institute of Technology, Delhi, India.
| | - Shaikh Ziauddin Ahammad
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, Delhi, India
| | - Sumedha Chakma
- Department of Civil Engineering, Indian Institute of Technology, Delhi, India
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10
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Tisler S, Christensen JH. Non-target screening for the identification of migrating compounds from reusable plastic bottles into drinking water. JOURNAL OF HAZARDOUS MATERIALS 2022; 429:128331. [PMID: 35091188 DOI: 10.1016/j.jhazmat.2022.128331] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 05/25/2023]
Abstract
Reusable plastic sports bottles are used extensively worldwide, and little is known about the migration of chemicals from the bottles into drinking water. In this study, we investigated the chemical migration into drinking water stored for 24 h in new bottles, used bottles and bottles washed in the dishwasher. Non-target screening (NTS) by liquid-chromatography - high-resolution mass spectrometry (LC-HRMS) was performed to identify these compounds. We detected > 3500 dishwasher related compounds, with 430 showing migration even after subsequent flushing of the bottles. In addition, more than 400 plastic related compounds were detected, with high peaks for oligomers suspected to originate from the biodegradable polyester polycaprolactone, and aromatic amines, which may have been introduced as slip agents or antioxidants. These compounds have never been reported before in bottled water. Most of the identified compounds migrating out of the used bottles were plasticizers, antioxidants or photoinitiators. The presence of photoinitiators are of particular concern, due to possible endocrine disrupting effects. Furthermore, diethyltoluamide (DEET) was detected, which may have been formed from the plasticizer laurolactam. Typically, the dishwashing process enhanced the leaching of plastic related compounds, and even after additional water flushing, the average peak intensity of these compounds was only reduced by half.
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Affiliation(s)
- Selina Tisler
- Analytical Chemistry Group, Department of Plant and Environmental Science, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark.
| | - Jan H Christensen
- Analytical Chemistry Group, Department of Plant and Environmental Science, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark
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11
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Renaud JB, Sabourin L, Hoogstra S, Helm P, Lapen DR, Sumarah MW. Monitoring of Environmental Contaminants in Mixed-Use Watersheds Combining Targeted and Nontargeted Analysis with Passive Sampling. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:1131-1143. [PMID: 34407230 DOI: 10.1002/etc.5192] [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: 06/01/2021] [Revised: 07/22/2021] [Accepted: 08/07/2021] [Indexed: 06/13/2023]
Abstract
Understanding the environmental fate, transport, and occurrence of pesticides and pharmaceuticals in aquatic environments is of utmost concern to regulators. Traditionally, monitoring of environmental contaminants in surface water has consisted of liquid chromatography-tandem mass spectrometry analyses for a set of targeted compounds in discrete samples. These targeted approaches are limited by the fact that they only provide information on compounds within a target list present at the time and location of sampling. To address these limitations, there has been considerable interest in suspect screening and nontargeted analysis (NTA), which allow for the detection of all ionizable compounds in the sample with the added benefit of data archiving for retrospective mining. Even though NTA can detect a large number of contaminants, discrete samples only provide a snapshot perspective of the chemical disposition of an aquatic environment at the time of sampling, potentially missing episodic events. We evaluated two types of passive chemical samplers for nontargeted analysis in mixed-use watersheds. Nontargeted data were processed using MS-DIAL to screen against our in-house library and public databases of more than 1300 compounds. The data showed that polar organic chemicals integrative samplers (POCIS) were able to capture the largest number of analytes with better reproducibility than organic compound-diffusive gradients in thin film (o-DGT), resulting from the greater amount of binding sorbent. We also showed that NTA combined with passive sampling gives a more representative picture of the contaminants present at a given site and enhances the ability to identify the nature of point and nonpoint pollution sources and ecotoxicological impacts. Environ Toxicol Chem 2022;41:1131-1143. © 2021 Her Majesty the Queen in Right of Canada Environmental Toxicology and Chemistry © 2021 SETAC. Reproduced with the permission of the Minister of Agriculture and Agri-Food Canada.
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Affiliation(s)
- Justin B Renaud
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
| | - Lyne Sabourin
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
| | - Shawn Hoogstra
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
| | - Paul Helm
- Environmental Monitoring and Reporting Branch, Ontario Ministry of the Environment, Conservation and Parks, Toronto, Ontario, Canada
| | - David R Lapen
- Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada
| | - Mark W Sumarah
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
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12
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Pereira Neves H, Max Dias Ferreira G, Max Dias Ferreira G, Rodrigues de Lemos L, Dias Rodrigues G, Albis Leão V, Barbosa Mageste A. Liquid-liquid extraction of rare earth elements using systems that are more environmentally friendly: Advances, challenges and perspectives. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120064] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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13
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Hajeb P, Zhu L, Bossi R, Vorkamp K. Sample preparation techniques for suspect and non-target screening of emerging contaminants. CHEMOSPHERE 2022; 287:132306. [PMID: 34826946 DOI: 10.1016/j.chemosphere.2021.132306] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 09/15/2021] [Accepted: 09/18/2021] [Indexed: 06/13/2023]
Abstract
The progress in sensitivity and resolution in mass spectrometers in recent years provides the possibility to detect a broad range of organic compounds in a single procedure. For this reason, suspect and non-target screening techniques are gaining attention since they enable the detection of hundreds of known and unknown emerging contaminants in various matrices of environmental, food and human sources. Sample preparation is a critical step before analysis as it can significantly affect selectivity, sensitivity and reproducibility. The lack of generic sample preparation protocols is obvious in this fast-growing analytical field, and most studies use those of traditional targeted analysis methods. Among them, solvent extraction and solid phase extraction (SPE) are widely used to extract emerging contaminants from solid and liquid sample types, respectively. Sequential solvent extraction and a combination of different SPE sorbents can cover a broad range of chemicals in the samples. Gel permeation chromatography (GPC) and adsorption chromatography, including acidification, are typically used to remove matrix components such as lipids from complex matrices, but usually at the expense of compound losses. Ideally, the purification of samples intended for non-target analysis should be selective of matrix interferences. Recent studies have suggested quality assurance/quality control measures for suspect and non-target screening, based on expansion and extrapolation of target compound lists, but method validations remain challenging in the absence of analytical standards and harmonized sample preparation approaches.
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Affiliation(s)
- Parvaneh Hajeb
- Aarhus University, Department of Environmental Science, Roskilde, Denmark
| | - Linyan Zhu
- Aarhus University, Department of Environmental Science, Roskilde, Denmark
| | - Rossana Bossi
- Aarhus University, Department of Environmental Science, Roskilde, Denmark
| | - Katrin Vorkamp
- Aarhus University, Department of Environmental Science, Roskilde, Denmark.
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14
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Mladenov N, Dodder NG, Steinberg L, Richardot W, Johnson J, Martincigh BS, Buckley C, Lawrence T, Hoh E. Persistence and removal of trace organic compounds in centralized and decentralized wastewater treatment systems. CHEMOSPHERE 2022; 286:131621. [PMID: 34325254 DOI: 10.1016/j.chemosphere.2021.131621] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 07/03/2021] [Accepted: 07/19/2021] [Indexed: 06/13/2023]
Abstract
The persistence of trace organic chemicals in treated effluent derived from both centralized wastewater treatment plants (WWTPs) and decentralized wastewater treatment systems (DEWATS) is of concern due to their potential impacts on human and ecosystem health. Here, we utilize non-targeted analysis (NTA) with comprehensive two-dimensional gas chromatography coupled with time of flight mass spectrometry (GC × GC/TOF-MS) to conduct an evaluation of the common persistent and removed compounds found in two centralized WWTPs in the USA and South Africa and one DEWATS in South Africa. Overall, removal efficiencies of chemicals were similar between the treatment plants when they were compared according to the number of chemical features detected in the influents and effluents of each treatment plant. However, the DEWATS treatment train, which has longer solids retention and hydraulic residence times than both of the centralized WWTPs and utilizes primarily anaerobic treatment processes, was able to remove 13 additional compounds and showed a greater decrease in normalized peak areas compared to the centralized WWTPs. Of the 111 common compounds tentatively identified in all three influents, 11 compounds were persistent in all replicates, including 5 compounds not previously reported in effluents of WWTPs or water reuse systems. There were no significant differences among the physico-chemical properties of persistent and removed compounds, but significant differences were observed among some of the molecular descriptors. These results have important implications for the treatment of trace organic chemicals in centralized and decentralized WWTPs and the monitoring of new compounds in WWTP effluent.
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Affiliation(s)
- Natalie Mladenov
- Department of Civil, Construction, and Environmental Engineering, San Diego State University, San Diego, CA, 92182, USA.
| | - Nathan G Dodder
- School of Public Health, San Diego State University, San Diego, CA, 92182, USA; San Diego State University Research Foundation, San Diego, CA, 92182, USA
| | - Lauren Steinberg
- Department of Civil, Construction, and Environmental Engineering, San Diego State University, San Diego, CA, 92182, USA
| | - William Richardot
- San Diego State University Research Foundation, San Diego, CA, 92182, USA
| | - Jade Johnson
- School of Public Health, San Diego State University, San Diego, CA, 92182, USA
| | - Bice S Martincigh
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban, 4000, South Africa
| | - Chris Buckley
- Water, Sanitation & Hygiene Research & Development Centre, School of Engineering, University of KwaZulu-Natal, Durban, 4041, South Africa
| | - Tolulope Lawrence
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban, 4000, South Africa
| | - Eunha Hoh
- School of Public Health, San Diego State University, San Diego, CA, 92182, USA
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15
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Tisler S, Pattison DI, Christensen JH. Correction of Matrix Effects for Reliable Non-target Screening LC-ESI-MS Analysis of Wastewater. Anal Chem 2021; 93:8432-8441. [PMID: 34096716 DOI: 10.1021/acs.analchem.1c00357] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Matrix effects are well-known challenges for accurate and comparable measurements with liquid chromatography (LC) electrospray ionization mass spectrometry (ESI-MS). This study describes a three-step method to evaluate and compensate for matrix effects in enriched wastewater extracts using LC ESI-high-resolution MS (HRMS). As a first step, the "dilute and shoot" approach was used to determine the optimal relative enrichment factor (REF) for a direct comparison between wastewater influent (REF 10) and effluent (REF 50) extracts. However, the rapid decrease in the number of non-target compounds detected with increasing dilution leads to the need for a correction of the matrix effect for analyzing samples with higher REFs. As a second step, the observed matrix effect at higher REFs was corrected by the retention time-dependent matrix effect. A new scaling (TiChri scale) of the matrix effect was introduced, which demonstrates that the total ion chromatogram (TIC) predicts the matrix effect as effectively as post-column infusion (PCI) approaches; thus, the average median matrix effect was improved from -65 to 1% for influent (REF 100) and from -46 to -2% for effluent extracts (REF 250). The TIC traces for concentrated (REF 250) influent and effluent samples were successfully used to correct the matrix effects and allowed the extent of micropollutant degradation in three WWTPs to be quantified. As a final step, the residual structure-specific matrix effect was predicted and corrected by quantitative structure-property relationships (QSPR), which led to a further correction of the matrix effect to 0 ± 7% for 65 compounds.
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Affiliation(s)
- Selina Tisler
- Analytical Chemistry Group, Department of Plant and Environmental Science, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
| | - David I Pattison
- Analytical Chemistry Group, Department of Plant and Environmental Science, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
| | - Jan H Christensen
- Analytical Chemistry Group, Department of Plant and Environmental Science, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
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