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Das S, Chatterjee NH, Choudhury A, Ray A, Rana N, Banerjee A, Ray M, Ray S. Characterization and ecological risk assessment of microplastics accumulated in sea water, sand, sediment, shell water and selected tissues of hermit crab of Sundarban Biosphere Reserve. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 357:124484. [PMID: 38960120 DOI: 10.1016/j.envpol.2024.124484] [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: 05/02/2024] [Revised: 06/28/2024] [Accepted: 06/30/2024] [Indexed: 07/05/2024]
Abstract
Sundarban, a Ramsar site of India, has been encountering an ecological threat due to the presence of microplastic (MP) wastes generated from different anthropogenic sources. Clibanarius longitarsus, an intertidal hermit crab of Sundarban Biosphere Reserve, resides within the abandoned shell of a gastropod mollusc, Telescopium telescopium. We characterized and estimated the MP in the gills and gut of hermit crab, as well as in the water present in its occupied gastropod shell. The average microplastic abundance in sea water, sand and sediment were 0.175 ± 0.145 MP L-1, 42 ± 15.03 MP kg-1 and 67.63 ± 24.13 MP kg-1 respectively. The average microplastic load in hermit crab was 1.94 ± 0.59 MP crab-1, with 33.89 % and 66.11 % in gills and gut respectively. Gastropod shell water exhibited accumulation of 1.69 ± 1.43 MP L-1. Transparent and fibrous microplastics were documented as the dominant polymers of water, sand and sediment. Shell water exhibited the prevalence of green microplastics followed by transparent ones. Microscopic examination revealed microplastics with 100-300 μm size categories were dominant across all abiotic compartments. ATR-FTIR and Raman spectroscopy confirmed polyethylene and polypropylene as the prevalent polymers among the five identified polymers of biotic and abiotic components. The target group index indicated green and black as the preferable microplastics of crab. The ecological risk analysis indicated a considerable level of environmental pollution risk in Sundarban and its inhabiting organisms. This important information base may facilitate in developing a strategy of mitigation to limit the MP induced ecological risk at Sundarban Biosphere Reserve.
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Affiliation(s)
- Sourav Das
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
| | - Nilanjan Hari Chatterjee
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
| | - Abhigyan Choudhury
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
| | - Abhishek Ray
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
| | - Nabakumar Rana
- Department of Physics, University of Calcutta, 92 A.P.C Road, Kolkata, 700009, West Bengal, India.
| | - Aritra Banerjee
- Department of Physics, University of Calcutta, 92 A.P.C Road, Kolkata, 700009, West Bengal, India.
| | - Mitali Ray
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
| | - Sajal Ray
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
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Pagano AD, Blödorn EB, Domingues WB, de Souza LP, da Silveira TLR, Kütter MT, Gonçalves NM, Volcan MV, Costa PG, Bianchini A, Remião MH, Campos VF. Validation of qPCR reference genes in the endangered annual killifish Austrolebias charrua considering different tissues, gender and environmental conditions. ECOTOXICOLOGY (LONDON, ENGLAND) 2024; 33:1-12. [PMID: 38602608 DOI: 10.1007/s10646-024-02752-0] [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] [Accepted: 03/31/2024] [Indexed: 04/12/2024]
Abstract
The annual killifish Austrolebias charrua is an endangered species, endemic to the southern region of South America, which inhabits temporary ponds that emerges in the rainy season. The main anthropogenic threat driving the extinction of A. charrua stems from extensive agriculture, primarily due to the widrespread use of glyphosate-based herbicides near their habitats. Annual killifishes have been used as models for ecotoxicological studies but, up to now, there are no studies about reference genes in any Austrolebias species. This represents an obstacle to the use of qPCR-based technologies, the standard method for gene expression quantification. The present study aimed to select and validate potential reference genes for qPCR normalization in the annual killifish Austrolebias charrua considering different tissues, gender and environmental conditions. The candidate reference genes 18 s, actb, gapdh, ef1a, shox, eif3g, and the control gene atp1a1 were evaluated in male and female individuals in three different tissues (brain, liver, and gills) under two experimental conditions (control and acute exposition to Roundup Transorb®). The collected tissues were submitted to RNA extraction, followed by cDNA synthesis, cloning, sequencing, and qPCR. Overall, 18 s was the most stable reference gene, and 18 s and ef1a were the most stable combination. Otherwise, considering all variables, gapdh and shox were the least stable candidate genes. Foremost, suitable reference genes were validated in A. charrua, facilitating accurate mRNA quantification in this species, which might be useful for developing molecular tools of ecotoxicological assessment based on gene expression analysis for environmental monitoring of annual killifish.
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Affiliation(s)
- Antônio Duarte Pagano
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Eduardo Bieharls Blödorn
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - William Borges Domingues
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Lucas Petitemberte de Souza
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Tony Leandro Rezende da Silveira
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Mateus Tavares Kütter
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Natiéli Machado Gonçalves
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | | | - Patrícia Gomes Costa
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Adalto Bianchini
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - Mariana Härter Remião
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil
| | - Vinicius Farias Campos
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brasil.
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Sreeparvathi CK, Amal R, Remia KM, Devipriya SP. Ecological assessment of microplastic contamination in surface water and commercially important edible fishes off Kadalundi estuary, Southwest coast of India. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:735. [PMID: 39009737 DOI: 10.1007/s10661-024-12900-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 07/05/2024] [Indexed: 07/17/2024]
Abstract
This study focuses on the Kadalundi estuary, Kerala's first community reserve, investigating the prevalence and impacts of microplastics on both the estuarine environment and selected fish species. This study presents the initial evidence indicating the consumption of microplastic particles by 12 commercially important edible fish species inhabiting the Kadalundi estuary. Analysis revealed significant accumulations of microplastic fibers within the surface water. In examining 12 fish species from demersal and pelagic habitats, microplastics were found in both the gastrointestinal tracts and gills. In the digestive tracts, microplastic fragments constituted the highest proportion (46%), while in the gills, microplastic fibers were dominant (52.4%). This study observed a prevalence of blue microplastics over other colors in both water and fish samples. Notably, demersal species showed a higher incidence of ingested microplastics. Polymer analysis identified Polypropylene (PP), Nylon, Low-Density Polyethylene (LDPE), Polyethylene (PE), Polypropylene isotactic (iPP), PE 1 Octene copolymer, and Rayon in water samples, while fish samples predominantly contained LDPE, PP, PE, and Nylon. Risk assessment utilizing the Polymer Hazard Index (PHI) categorized certain polymers as posing minor to moderate risks. Pollution Load Index (PLI) computations indicated moderate to high levels of microplastic contamination across various sampling sites in the estuary. Principal Component Analysis (PCA) revealed a lack of correlation between fish size and microplastic ingestion, underscoring environmental factors' influence on microplastic intake. The study emphasizes the implications of microplastic pollution on the fragile ecosystem of the Kadalundi estuary, posing potential risks to biodiversity and human health.
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Affiliation(s)
| | - Radhakrishnan Amal
- School of Environmental Studies, Cochin University of Science and Technology, Kochi, Kerala, India
| | - Kulamullathil Maroli Remia
- Department of Zoology, MES Mampad College (Autonomous), Affiliated to University of Calicut, Malappuram, Kerala, India
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Ramaremisa G, Tutu H, Saad D. Detection and characterisation of microplastics in tap water from Gauteng, South Africa. CHEMOSPHERE 2024; 356:141903. [PMID: 38582157 DOI: 10.1016/j.chemosphere.2024.141903] [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: 10/19/2023] [Revised: 03/29/2024] [Accepted: 04/03/2024] [Indexed: 04/08/2024]
Abstract
This study reports the presence, concentration, and characteristics of microplastics (MPs) in tap water in three suburbs in Gauteng Province in South Africa. Physical characterisation was conducted using stereomicroscopy and scanning electron microscopy following staining of MPs with the Rose Bengal dye. The concentrations of MPs in all samples ranged from 4.7 to 31 particles/L, with a mean of 14 ± 5.6 particles/L. Small-sized (<1 mm) and fibrous-shaped MPs were most abundant in all samples. Fibers accounted for 83.1% of MPs in samples from all the three areas, followed by fragments (12.4%), pellets/beads (3.1%), and films (1.5%), with a minor variation in the distribution of shapes and sizes in samples from each area. Raman microspectroscopy was used for chemical analysis, and five polymers were identified, namely: high-density polyethylene, polyurethane, polyethylene terephthalate, poly(hexamethylene terephtalamide), and poly(acrylamide-co-acrylic acid). C.I Pigment Red 1, C.I. Solvent Yellow 4, Potassium indigotetrasulphonate, and C.I Pigment Black 7 were the colourants detected. These colourants are carcinogenic and mutagenic and are potentially toxic to humans. The prevalence of MPs in tap water implies their inadequate removal during water treatment. For instance, the presence of poly(AM-co-AA) suggests that drinking water treatment plants may be a potential source of MPs in tap water. Other polymers, e.g., high-density polyethylene may be released from pipes during the transportation of drinking water. The estimated daily consumption of MPs from tap water was 1.2, 0.71, and 0.50 particles/kg.day for children, men, and women, respectively. The findings of this study provide evidence of the presence of MPs in drinking water in South Africa, thus giving some insights into the performance of treatment plants in removing these contaminants and a benchmark for the formulation of standard limits for the amount of MPs in drinking water.
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Affiliation(s)
- Gibbon Ramaremisa
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, South Africa
| | - Hlanganani Tutu
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, South Africa
| | - Dalia Saad
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, South Africa; Department of Chemistry, University of Pretoria, Pretoria, South Africa.
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Margenat H, Guasch H, Le Roux G, Vila-Gispert A, Cornejo D, Chouache L, Martí E, Sonke JE, El Zrelli RB, Laffont L, Hansson SV. Distinct dynamics in mountain watersheds: Exploring mercury and microplastic pollution-Unraveling the influence of atmospheric deposition, human activities, and hydrology. ENVIRONMENTAL RESEARCH 2024; 242:117760. [PMID: 38016499 DOI: 10.1016/j.envres.2023.117760] [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: 09/14/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 11/30/2023]
Abstract
The intensification of human activities all around the globe has led to the spread of micropollutants in high-mountain freshwater environments. We therefore aimed to assess the geospatial distribution and determine the potential sources of (total-) mercury (THg) and microplastics (MPs) in mountain freshwater ecosystems. To do so, we analyzed THg and MP concentrations in brown trout, biofilm, and sediments from lotic and lentic ecosystems in the Pyrenees - all subjected to different types of human pressure. Additionally, we assessed the potential impacts of these pollutants on fish, and explored the bioindication capacity of brown trout (Salmo trutta fario) and biofilm regarding THg and MP pollution. For the first time, we measured concentrations of MPs trapped in the matrix of freshwater biofilm. Our results suggest that THg in the Pyrenees might be explained by both legacy (regional) and distant sources, in combination with environmental characteristics such as the presence of peatlands or streamwater physicochemistry, while MPs in fish are linked to recent local pollution sources such as single-use plastics. In contrast, MPs in biofilm matrix and sediments indicate a combination of distant (i.e., atmospheric deposition) and recent local pollution sources. Moreover, hydrodynamics and plastic density likely control MP distribution in rivers. Based on Fulton's condition factor, we also found that higher THg concentrations caused a negative impact on fish health (K < 1), while no impact of MPs could be seen. Therefore, we suggest that brown trout and biofilm can serve as bioindicators of atmospheric deposition of THg in high-altitude lakes and that biofilm is a reliable bioindicator to assess MP pollution in remote environments. Brown trout may also act as a bioindicator of MP pollution, but only efficiently in more polluted areas.
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Affiliation(s)
- Henar Margenat
- Laboratoire écologie fonctionnelle et environnement (LEFE), Université Paul Sabatier, CNRS, Toulouse, France.
| | - Helena Guasch
- Centre d'Estudis Avançats de Blanes, CSIC, Blanes, Spain
| | - Gaël Le Roux
- Laboratoire écologie fonctionnelle et environnement (LEFE), Université Paul Sabatier, CNRS, Toulouse, France
| | - Anna Vila-Gispert
- GRECO, Institute of Aquatic Ecology, Universitat de Girona, Girona, Spain
| | | | - Linda Chouache
- Laboratoire écologie fonctionnelle et environnement (LEFE), Université Paul Sabatier, CNRS, Toulouse, France
| | - Eugènia Martí
- Centre d'Estudis Avançats de Blanes, CSIC, Blanes, Spain
| | - Jeroen E Sonke
- Géosciences Environnement Toulouse, CNRS/-IRD/Université Paul Sabatier, Toulouse, France
| | | | - Laure Laffont
- Géosciences Environnement Toulouse, CNRS/-IRD/Université Paul Sabatier, Toulouse, France
| | - Sophia V Hansson
- Laboratoire écologie fonctionnelle et environnement (LEFE), Université Paul Sabatier, CNRS, Toulouse, France
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Saad D, Alamin H. The first evidence of microplastic presence in the River Nile in Khartoum, Sudan: Using Nile Tilapia fish as a bio-indicator. Heliyon 2024; 10:e23393. [PMID: 38163211 PMCID: PMC10755307 DOI: 10.1016/j.heliyon.2023.e23393] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 11/21/2023] [Accepted: 12/03/2023] [Indexed: 01/03/2024] Open
Abstract
The extent of microplastics in African freshwater systems remains less investigated. In Sudan, there is no single study reporting microplastics in water bodies. This scoping study aimed to investigate the presence and characteristics of microplastics (MPs) in Nile Tilapia fish from the River Nile in Khartoum, Sudan. The digestive tracts of the fish were digested using 10% potassium hydroxide, and microplastic particles were extracted by density separation using sodium iodide. 567 particles of different sizes (0.04-4.94 mm), shapes (fibers, fragments, films, foams, and pellets), and colours (mostly green, black, blue, and grey) were identified as microplastics. The average abundance of microplastics was 72.02 ± 62.06 particles/kg, and the average intensity was 18.90 ± 9.17 MPs/fish. Small-sized (<1 mm), fibrous-shaped, and coloured microplastics were most abundant in all samples, representing 56%, 85%, and 84%, respectively. Surface examination by SEM showed signs of fragmentation such as cracks, pits, and pores. Two polymer types (high-density polyethylene and polypropylene) were identified by Raman spectroscopy. The predominance of fibers and fragments (94.5%) over pellets (0.35%) and the apparent signs of fragmentation may indicate that MPs are mostly secondary MPs. Wastewater effluent, domestic discharge, and recreational activities are the potential sources. This scoping investigation provided the first data on microplastic presence in the River Nile in Khartoum, and it could be used to guide future studies to fill research gaps in the region.
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Affiliation(s)
- Dalia Saad
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
- Department of Chemistry, University of Pretoria, Pretoria, South Africa
| | - Hadeel Alamin
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
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Saad D, Ramaremisa G, Ndlovu M, Chauke P, Nikiema J, Chimuka L. Microplastic Abundance and Sources in Surface Water Samples of the Vaal River, South Africa. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2024; 112:23. [PMID: 38180521 PMCID: PMC10769928 DOI: 10.1007/s00128-023-03845-y] [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: 10/27/2023] [Accepted: 12/06/2023] [Indexed: 01/06/2024]
Abstract
Microplastics (MPs) have emerged as a global environmental concern due to their persistent nature. In South Africa, microplastic research has primarily focused on marine systems. However, recent years have seen a shift in focus to studying MPs in South African freshwaters. In this study, MPs with a minimum size of 0.055 mm in surface water of the Vaal River, South Africa, were reported. MPs were 100% prevalent, with a mean numerical abundance of 0.68 ± 0.64 particles/m3. Small-sized MPs of < 1 mm accounted for the largest proportion. MPs were chemically identified as high-density polyethylene, low-density polyethylene, and polypropylene according to their Raman spectra. The prevalence of fragments (41.6%) and fibers (38.5%) over pellets (8.1%) indicates that microplastics are from secondary sources. The prevalence of polyethylene and polypropylene is consistent with microplastics being from secondary sources. These polymers are commonly used in single-use plastics, packing bags, textiles, and containers. These characteristics are of great concern due to their implications on the bioavailability and toxicological impacts of MPs. Consequently, these properties may pose more hazards to aquatic biota inhabiting the Vaal River.
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Affiliation(s)
- Dalia Saad
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa.
- Department of Chemistry, University of Pretoria, Pretoria, South Africa.
| | - Gibbon Ramaremisa
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
| | - Michelle Ndlovu
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
| | - Patricia Chauke
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
| | | | - Luke Chimuka
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
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Siddique MAM, Shazada NE, Ritu JA, Turjo KEZ, Das K. Does the mouth size influence microplastic ingestion in fishes? MARINE POLLUTION BULLETIN 2024; 198:115861. [PMID: 38035541 DOI: 10.1016/j.marpolbul.2023.115861] [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: 09/29/2023] [Revised: 11/24/2023] [Accepted: 11/25/2023] [Indexed: 12/02/2023]
Abstract
This study investigated microplastic (MP) contamination in six tropical fish species of different mouth sizes and trophic levels from Saint Martin's Island, Bay of Bengal. A total of 309 microplastics (MPs) were extracted from the gastrointestinal tract (GT) of these selected fishes, where the presence of MPs was 100 %. The mean abundance of MPs was significantly varied among the species and ranged from 4.38 to 10 MPs/GT (p < 0.05). This study revealed that MP incidence was strongly correlated with the mouth-to-body ratio of the selected fishes (r = 0.424, p = 0.003) and trophic levels (r = 0.458, p = 0.002). Results suggest that fish with larger mouths are more likely to ingest MPs, intentionally or unintentionally, compared to those with smaller mouths.
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Affiliation(s)
- Mohammad Abdul Momin Siddique
- University of Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian South Research Center of Aquaculture and Biodiversity of Hydrogenases, Research Institute of Fish Culture and Hydrobiology, Zátiší 728/II, 389 25 Vodňany, Czech Republic; Department of Oceanography, Noakhali Science and Technology University, Noakhali 3814, Bangladesh.
| | - Nururshopa Eskander Shazada
- University of Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian South Research Center of Aquaculture and Biodiversity of Hydrogenases, Research Institute of Fish Culture and Hydrobiology, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Johora Akter Ritu
- Department of Oceanography, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | | | - Koushik Das
- University of Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian South Research Center of Aquaculture and Biodiversity of Hydrogenases, Research Institute of Fish Culture and Hydrobiology, Zátiší 728/II, 389 25 Vodňany, Czech Republic
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Pastorino P, Squadrone S, Berti G, Esposito G, Bondavalli F, Renzi M, Pizzul E, Kazmi SSUH, Barceló D, Abete MC, Prearo M. Occurrence of rare earth elements in water, sediment, and freshwater fish of diverse trophic levels and feeding ecology: Insights from the Po river (northwest Italy). ENVIRONMENTAL RESEARCH 2024; 240:117455. [PMID: 37865325 DOI: 10.1016/j.envres.2023.117455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/23/2023]
Abstract
To date, the occurrence of rare earth elements (REEs) in freshwater ecosystems has garnered limited attention in the scientific literature. Furthermore, a dearth of data exists regarding their potential bioaccumulation in freshwater fish. To fill this knowledge gap, we studied REEs concentrations in water, sediment, and fish specimens collected along the Po River (northwest Italy) and calculated biota-sediment accumulation (BSAF) and bioconcentration (BCF) factors, while taking into account fish feeding behavior and trophic level effects on the overall content of total REEs (ƩREEs). The fish communities were composed of native and non-native species. Remarkably low concentrations of REEs (<0.0003 mg/L) were detected in the water samples, indicating REEs insolubility. In contrast, sediment samples were found to be a good sink for REEs, with a higher mean ƩREEs recorded for the samples from the Moncalieri station (70.93 mg/kg). Notably, no significant differences in ƩREEs concentration were observed in the muscle tissue of fish samples from the three stations. The highest mean ƩREEs was recorded in the samples from the Murazzi station (0.027 mg/kg). The BSAF was very low, consistently below the unit, indicating an absence of bioaccumulation in fish muscle from sediment. In contrast, the BCF was high for several REEs, mainly for Sc and Y. While feeding ecology did not appear to affect REEs accumulation in muscle, there was a significant negative relationship between the trophic level and ΣREEs, indicating a trophic dilution of REEs from predator (Silurus glanis) to planktivorous (Alburnus arborella) fish. This study provides baseline concentrations, trophic transfers, and patterns of REEs in a river system. Further studies are needed to understand the transfer of REEs to other biotic components of lotic ecosystems.
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Affiliation(s)
- Paolo Pastorino
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154, Torino, Italy.
| | - Stefania Squadrone
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154, Torino, Italy
| | - Giovanna Berti
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154, Torino, Italy
| | - Giuseppe Esposito
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154, Torino, Italy
| | - Fabio Bondavalli
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154, Torino, Italy
| | - Monia Renzi
- Department of Life Sciences, University of Trieste, 34127, Trieste, Italy
| | - Elisabetta Pizzul
- Department of Life Sciences, University of Trieste, 34127, Trieste, Italy
| | - Syed Shabi Ul Hassan Kazmi
- Guangdong Provincial Key Laboratory of Marine Disaster Prediction and Prevention, Shantou University, Shantou, 515063, China
| | - Damià Barceló
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), 08034, Barcelona, Spain
| | - Maria Cesarina Abete
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154, Torino, Italy
| | - Marino Prearo
- The Veterinary Medical Research Institute for Piemonte, Liguria and Valle d'Aosta, 10154, Torino, Italy
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Arafat ST, Tanoiri H, Yokota M, Nakano H, Arakawa H, Terahara T, Kobayashi T. Microplastic pollution in the gastrointestinal tract of giant river catfish Sperata seenghala (Sykes, 1839) from the Meghna River, Bangladesh. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:89627-89637. [PMID: 37454010 DOI: 10.1007/s11356-023-28750-z] [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: 01/30/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
Freshwater rivers are considered the major route for microplastics (MPs), yet limited studies have been reported on MPs in freshwater river fish, especially in Bangladesh. This research reveals the intake of MPs by the giant river catfish Sperata seenghala, collected from the Meghna River, which is the only outlet of the Ganges-Brahmaputra River. Three locations, namely, Chandpur Sadar, Bhola Sadar, and Char Fasson, along the Meghna River, were selected in order to investigate the gastrointestinal tracts (GIT) of the fish. Ninety percent (n=27) of fish (n=30) were contaminated, with fragment-shaped MPs (65%) as the most abundant among the four types. A total of 179 MP particles were detected using micro-Fourier transformed infrared spectroscopy (μ-FTIR), with an average of 5.96 ± 1.32 MP particles per fish. Among the four size groups, the highest proportion of MPs (54%) occurred in the 45-100 μm group; the dominant color among the seven color groups was white (30%). The highest quantity of MPs was found in the relatively densely populated Chandpur Sadar region. Polypropylene-polyethylene copolymer (PP-PE, 23%) was proportionally dominant among the 15 types. No significant relationship was found between the total number of observed MPs and the GIT weight. This study will help us to understand MP pollution in S. seenghala that may transmit to the human body through the food chain.
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Affiliation(s)
- Shaikh Tareq Arafat
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan.
- Fisheries and Marine Resource Technology Discipline, Khulna University, Sher-E-Bangla Road, Khulna, 9208, Bangladesh.
| | - Hiraku Tanoiri
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Masashi Yokota
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Haruka Nakano
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
- Center for Ocean Plastic Studies (COPS), Research Institute for Applied Mechanics, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan
| | - Hisayuki Arakawa
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Takeshi Terahara
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Takeshi Kobayashi
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
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Choi Y, Shin D, Hong CP, Shin DM, Cho SH, Kim SS, Bae MA, Hong SH, Jang M, Cho Y, Han GM, Shim WJ, Jung JH. The effects of environmental Microplastic on wharf roach (Ligia exotica): A Multi-Omics approach. CHEMOSPHERE 2023:139122. [PMID: 37276999 DOI: 10.1016/j.chemosphere.2023.139122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 06/01/2023] [Accepted: 06/02/2023] [Indexed: 06/07/2023]
Abstract
This is the first report to evaluate the potential effects of microplastics (MPs) on wild wharf roaches (Ligia exotica) in a shoreline habitant. L. exotica is an important plastic detritus consumer in coastal area. A survey was conducted from May to June in the years 2019 and 2020 in two South Korean nearshore sites: Nae-do (as MPs-uncontaminated) and Maemul-do (as MPs-contaminated). MPs (>20 μm in size) were detected highly in gastrointestinal tracts of the L. exotica from Maemul-do, at an average level of 50.56 particles/individual. They were detected in much lower levels in the L. exotica from Nae-do. at an average rate of 1.00 particles/individual. The polymer type and shape were dominated by expanded polystyrene (EPS, 93%) and fragment (99.9%) in L. exotica from Maemul-do. Especially, Hexabromocyclododecanes, brominated flame retardants added to EPS, have been detected highly in L. exotica from Maemul-do (630.86 ± 587.21 ng/g l. w.) than those of Nae-do (detection limit: 10.5 ng/g l. w). Genome-wide transcriptome profiling revealed altered expression of genes associated with fatty acid metabolic processes, the innate-immune response-activating system and vesicle cytoskeletal trafficking in L. exotica from Maemul-do. The activation of the p53 signaling pathway (which is related to proteasome, ER regulation and cell morphogenesis) is likely to be involved in the EPS-uptake of wild L. exotica. Four neurosteroids were also detected in head tissue, and cortisol and progesterone concentrations differed significantly in L. exotica from Maemul-do. Our findings also suggest that resident plastic detritus consumer might be a useful indicator organism for evaluating pollution and potential effects of environmental microplastics.
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Affiliation(s)
- Youmi Choi
- Risk Assessment Research Center, Korea Institute of Ocean Science and Technology, Geoje, 53201, North Korea; Department of Marine Environmental Science, Korea University of Science and Technology, Daejeon, 34113, North Korea
| | - Dongju Shin
- Risk Assessment Research Center, Korea Institute of Ocean Science and Technology, Geoje, 53201, North Korea; Department of Marine Environmental Science, Korea University of Science and Technology, Daejeon, 34113, North Korea
| | | | | | - Sung-Hee Cho
- Chemical Analysis Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, North Korea
| | - Seong Soon Kim
- Chemical Analysis Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, North Korea
| | - Myung Ae Bae
- Bio & Drug Discovery Division, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, North Korea; Department of Medicinal Chemistry and Pharmacology, University of Science & Technology, Daejeon, North Korea
| | - Sang Hee Hong
- Risk Assessment Research Center, Korea Institute of Ocean Science and Technology, Geoje, 53201, North Korea; Department of Marine Environmental Science, Korea University of Science and Technology, Daejeon, 34113, North Korea
| | - Mi Jang
- Risk Assessment Research Center, Korea Institute of Ocean Science and Technology, Geoje, 53201, North Korea
| | - Youna Cho
- Risk Assessment Research Center, Korea Institute of Ocean Science and Technology, Geoje, 53201, North Korea; Department of Marine Environmental Science, Korea University of Science and Technology, Daejeon, 34113, North Korea
| | - Gi Myung Han
- Risk Assessment Research Center, Korea Institute of Ocean Science and Technology, Geoje, 53201, North Korea
| | - Won Joon Shim
- Risk Assessment Research Center, Korea Institute of Ocean Science and Technology, Geoje, 53201, North Korea; Department of Marine Environmental Science, Korea University of Science and Technology, Daejeon, 34113, North Korea
| | - Jee-Hyun Jung
- Risk Assessment Research Center, Korea Institute of Ocean Science and Technology, Geoje, 53201, North Korea; Department of Marine Environmental Science, Korea University of Science and Technology, Daejeon, 34113, North Korea.
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12
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Lestari P, Trihadiningrum Y, Warmadewanthi I. Investigation of microplastic ingestion in commercial fish from Surabaya river, Indonesia. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 331:121807. [PMID: 37201574 DOI: 10.1016/j.envpol.2023.121807] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 05/08/2023] [Accepted: 05/10/2023] [Indexed: 05/20/2023]
Abstract
Microplastics (MPs) were recognized as emerging environmental contaminants and ubiquitously distributed in aquatic environments, including in commercial biota. Fish are estimated as one of the most susceptible aquatic biota to ingesting microplastic (MP). Commercial fish cultivation is commonly developed in urban rivers. This situation may lead to food web safety and human health risks because most fish products are commercially available for consumption. Surabaya River, one of the main rivers in Indonesia, has been polluted by MPs. This river takes essential parts for providing clean water for Surabaya City and fishery. This study aimed to investigate: (1) MP ingestion, abundance, characteristics in commercial fish species in Surabaya River, and (2) potential influencing factors to MP ingestion in the fish. The MP ingestion was found in gills and gastrointestinal tracts (GITs) of seven commercial fish species from the Surabaya River. The highest MP abundance was found in the gill of Trichopodus trichopterus (280.73 ± 162.25 particles/g WW), in the GIT of Rasbora argyrotaenia (358.75 ± 121.98 particles/g WW), and in Notopterus notopterus (186 ± 130.81 particles/individual). The MP abundance was positively correlated to fish body size. The predominant MP polymer in both fish organs was cellophane. These MPs were mostly fiber-shaped, large-sized, and black-colored. The MP ingestion in the fish might be influenced by active/passive uptake routes, specific feeding habits, preference habitats, fish size, and MP characteristics. This investigation reveals the occurrence of MP ingestion in commercial fish, which is closely associated with human health risks via trophic transfer by accidental consumption.
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Affiliation(s)
- Prieskarinda Lestari
- Department of Environmental Engineering, Faculty of Civil, Planning, and Geo Engineering, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia; Department of Agricultural and Biosystems Engineering, Faculty of Agricultural Technology, Universitas Gadjah Mada, Jl. Flora 1 Bulaksumur, Sleman, Yogyakarta, 55281, Indonesia
| | - Yulinah Trihadiningrum
- Department of Environmental Engineering, Faculty of Civil, Planning, and Geo Engineering, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia.
| | - Idaa Warmadewanthi
- Department of Environmental Engineering, Faculty of Civil, Planning, and Geo Engineering, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia
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Cardoso-Mohedano JG, Ruiz-Fernández AC, Sanchez-Cabeza JA, Camacho-Torres SM, Ontiveros-Cuadras JF. Microplastics transport in a low-inflow estuary at the entrance of the Gulf of California. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 870:161825. [PMID: 36716892 DOI: 10.1016/j.scitotenv.2023.161825] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 01/17/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
Microplastics (MPs) are recognized as a global emergent pollution impact, which can affect all food chains. Estimating MPs transport pathways in coastal ecosystems is needed to assess their likely effects. Here, we studied MPs accumulation and transport pathways in the Estero de Urias lagoon system (low-inflow estuary) using field data and a 3D particle model. Field results showed that the MPs present similar abundances throughout the study area during the dry and rainy seasons. Model simulations indicated that i) morphology and tidal currents caused the MPs discharged in the lagoon to remain inside, and ii) wind-induced currents caused the MPs in the coastal area to be transported to the southwest. These transport processes may be responsible for homogenizing MPs concentrations through the studied area. In addition, model simulations suggested that EUL-dense waters can export MPs from the coastal area to the sea bottom.
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Affiliation(s)
- Jose Gilberto Cardoso-Mohedano
- Estación el Carmen, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Carretera Carmen-Puerto Real km. 9.5, 24157 Ciudad del Carmen, Campeche, Mexico.
| | - Ana Carolina Ruiz-Fernández
- Universidad Nacional Autónoma de México, Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Calz. Joel Montes Camarena s/n, 82040 Mazatlán, Mexico
| | - Joan-Albert Sanchez-Cabeza
- Universidad Nacional Autónoma de México, Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Calz. Joel Montes Camarena s/n, 82040 Mazatlán, Mexico
| | | | - Jorge Feliciano Ontiveros-Cuadras
- Universidad Nacional Autónoma de México, Unidad Académica Procesos Oceánicos y Costeros, Instituto de Ciencias del Mar y Limnología, Ciudad Universitaria, 04510 Ciudad de México, Mexico
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14
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Rodríguez-Pérez C, Sáenz de Rodrigáñez M, Pula HJ. Occurrence of nano/microplastics from wild and farmed edible species. Potential effects of exposure on human health. ADVANCES IN FOOD AND NUTRITION RESEARCH 2023; 103:273-311. [PMID: 36863837 DOI: 10.1016/bs.afnr.2022.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
The occurrence of nano/microplastics (N/MPs) has become a global concern due to their risk on the aquatic environment, food webs and ecosystems, thus, potentially affecting human health. This chapter focuses on the most recent evidence about the occurrence of N/MPs in the most consumed wild and farmed edible species, the occurrence of N/MPs in humans, the potential impact of N/MPs on human health as well as future research recommendations for assessing N/MPs in wild and farmed edible species. Additionally, the N/MP particles in human biological samples, which include the standardization of methods for collection, characterization, and analysis of N/MPs that might allow evaluating the potential risk of the intake of N/MPs in human health, are discussed. Thus, the chapter consequently includes relevant information about the content of N/MPs of more than 60 edible species such as algae, sea cucumber, mussels, squids, crayfish, crabs, clams, and fishes.
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Affiliation(s)
- Celia Rodríguez-Pérez
- Department of Nutrition and Food Science, Faculty of Health Sciences, University of Granada (Melilla Campus), Melilla, Spain; Biomedical Research Centre, Institute of Nutrition and Food Technology (INYTA) 'José Mataix', University of Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain.
| | - Miguel Sáenz de Rodrigáñez
- Department of Physiology, Faculty of Health Sciences, University of Granada (Melilla Campus), Melilla, Spain
| | - Héctor J Pula
- Fish Nutrition and Feeding Research Group, Faculty of Science, University of Granada, Granada, Spain; Aula del Mar Cei-Mar of the University of Granada, Faculty of Sciences, Granada, Spain
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Cao J, Xu R, Wang F, Geng Y, Xu T, Zhu M, Lv H, Xu S, Guo MY. Polyethylene microplastics trigger cell apoptosis and inflammation via inducing oxidative stress and activation of the NLRP3 inflammasome in carp gills. FISH & SHELLFISH IMMUNOLOGY 2023; 132:108470. [PMID: 36470402 DOI: 10.1016/j.fsi.2022.108470] [Citation(s) in RCA: 37] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Microplastics cause varying degrees of damage to aquatic organisms. Exposure to microplastics contaminated water, the gills are among the first tissues, after the skin, to be affected by microplastics. As an essential immune organ, prolonged stimulation by microplastics disrupts immune function not only in the gills but throughout the body, yet the underlying mechanisms remain elusive. A model of gill injury from exposure to polyethylene (PE) microplastics was developed in this study. H&E staining revealed that polyethylene microplastics caused gill inflammation, vascular remodeling, and mucous cell proliferation. An increase in collagen indicates severe tissue damage. Additional analysis showed that polyethylene microplastics profoundly exacerbated oxidative stress in the gills. TUNEL assay demonstrated cell apoptosis induced by polyethylene microplastic. The mRNA levels were subsequently quantified using RT-PCR. The results showed that polyethylene microplastics increased the expression of the nuclear factor-κB (NF-κB) pathway (NF-κB p65, IKKα, IKKβ) and apoptosis biomarkers (p53, caspase-3, caspase-9, and Bax). Nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3) inflammasomes, which is an influential component of innate immunity, were overactive. What's more, the pro-inflammatory factors (TNF-α, IFN-γ, IL-2, IL-6, IL-8, IL-1β) that induce immune disorder also increased significantly, while the anti-inflammatory factors (IL-4, IL-10) decreased significantly. These results suggested that oxidative stress acted as an activation signal of apoptosis triggered by the NF-κB pathway and activating the NLRP3 inflammasome to promote inflammatory immune responses. The present study provided a different target for the prevention of toxin-induced gill injury under polyethylene microplastics.
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Affiliation(s)
- Jingwen Cao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Ran Xu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Fuhan Wang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, 130062, China
| | - Yuan Geng
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Tianchao Xu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Mengran Zhu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Hongli Lv
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Shiwen Xu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Meng-Yao Guo
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
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Ramaremisa G, Ndlovu M, Saad D. Comparative Assessment of Microplastics in Surface Waters and Sediments of the Vaal River, South Africa: Abundance, Composition, and Sources. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:3029-3040. [PMID: 36341489 PMCID: PMC9828735 DOI: 10.1002/etc.5482] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 07/02/2022] [Accepted: 09/16/2022] [Indexed: 06/01/2023]
Abstract
We extracted microplastics from surface water and sediment samples from the Vaal River in Johannesburg, South Africa. Average abundances of 0.61 ± 0.57 particles/ m 3 and 4.6 × 102 ± 2.8 × 102 particles/kg dry weight were recorded for water and sediment samples, respectively. In both sediment and water samples, more than 80% of microplastics were fragments and fibers of smaller than 2 mm. High-density polyethylene, low-density polyethylene, and polypropylene were the dominant polymers identified in both sample types. In addition, polyethylene co-vinyl acetate, polyester, polyurethane, and polyethylene/hexene-1-copolymer were also detected in sediment samples. Colored microplastics were the most commonly observed in both sample types; pigment yellow 83 was detected in surface water, and carbon black was detected in both sediment and water samples during Raman analysis. Taking into consideration the physical and chemical characteristics of the detected microplastics, their potential sources include inflow from tributaries, surface run-off from urban city centers, recreational activities, and wastewater effluent from industries and households. Environ Toxicol Chem 2022;41:3029-3040. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Gibbon Ramaremisa
- School of Chemistry, Molecular Sciences InstituteUniversity of the WitwatersrandJohannesburgSouth Africa
| | - Michelle Ndlovu
- School of Chemistry, Molecular Sciences InstituteUniversity of the WitwatersrandJohannesburgSouth Africa
| | - Dalia Saad
- School of Chemistry, Molecular Sciences InstituteUniversity of the WitwatersrandJohannesburgSouth Africa
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Microplastics in freshwater environment: the first evaluation in sediment of the Vaal River, South Africa. Heliyon 2022; 8:e11118. [PMCID: PMC9634034 DOI: 10.1016/j.heliyon.2022.e11118] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/15/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022] Open
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Wu D, Feng Y, Wang R, Jiang J, Guan Q, Yang X, Wei H, Xia Y, Luo Y. Pigment microparticles and microplastics found in human thrombi based on Raman spectral evidence. J Adv Res 2022:S2090-1232(22)00206-5. [PMID: 36116710 DOI: 10.1016/j.jare.2022.09.004] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 09/04/2022] [Accepted: 09/09/2022] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION Environmental microparticle is becoming a global pollutant and the entire population is increasingly exposed to the microparticles from artificial materials. The accumulation of microparticles including microplastics and its subsequent effects need to be investigated timely to keep sustainable development of human society. OBJECTIVES This study aimed to explore the accumulation of environmental particles in thrombus, the pathological structure in the blood circulation system. METHODS Patients receiving cardiovascular surgical operations were screened and twenty-six thrombi were collected, digested and filtered. Non-soluble microparticles were enriched on the filter membrane and then were analyzed and identified with Raman Spectrometer. The associations of particle status (presence or absence) or particle number in the thrombus and clinical indicators were examined. One strict quality control-particle detection system was designed to eliminate environmental contaminations. RESULTS Among twenty-six thrombi, sixteen contained eighty-seven identified particles ranging from 2.1 to 26.0 μm in size. The number of microparticles in each thrombus ranged from one to fifteen with the median reaching five. All the particles found in thrombi were irregularly block-shaped. Totally, twenty-one phthalocyanine particles, one Hostasol-Green particle, and one low-density polyethylene microplastic, which were from synthetic materials, were identified in thrombi. The rest microparticles included iron compounds and metallic oxides. After the adjustment for potential confounders, a significantly positive association between microparticle number and blood platelet levels was detected (P < 0.01). CONCLUSION This study provides the first photograph and Raman spectrum evidence of microparticles in thrombi. A large number of non-soluble particles including synthetic material microparticles could accumulate in arteries, suggesting that the risk of microparticle exposure was under-estimated and the re-evaluation of its health effects is urgently needed. There will be a series of reports on assessing the health effects of microparticle exposure in humans in the future and this research provided clues for the subsequent research.
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Affiliation(s)
- Di Wu
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Yudong Feng
- Chinese Academy of Sciences Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Rui Wang
- Department of Cardiovascular Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Jin Jiang
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Quanquan Guan
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Xu Yang
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Hongcheng Wei
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Yankai Xia
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China.
| | - Yongming Luo
- Chinese Academy of Sciences Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of the Chinese Academy of Sciences, Beijing, 100049, China.
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