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61,005 resultsShowing papers similar to First assessment of Polycyclic Aromatic Hydrocarbons contamination and associated human health risk in Mullet (Liza aurata) from Tunisia: case of Bizerte and Ghar El Melh Lagoons
ClearOccurrence of Polycyclic aromatic hydrocarbons (PAHs) in mullet (Liza aurata) from Bizerte and Ghar El Melh Lagoons (Tunisia) and associated human health risk assessment
Researchers measured concentrations of 15 priority polycyclic aromatic hydrocarbons (PAHs) in golden grey mullet (Liza aurata) muscle tissue from the Bizerte and Ghar El Melh Lagoons in Tunisia, finding PAH levels comparable to or lower than those reported globally for fish. Human health risk assessment indicated that PAH intake from mullet consumption does not pose a significant cancer risk to local consumers, though the detected compound profiles revealed both petrogenic and pyrolytic contamination sources.
Meta-Analysis of a New Georeferenced Database on Polycyclic Aromatic Hydrocarbons in Western and Central Mediterranean Seafood
This meta-analysis built a georeferenced database of polycyclic aromatic hydrocarbon (PAH) contamination in Western and Central Mediterranean seafood, finding that PAH levels vary significantly by species biology, habitat, and proximity to pollution sources. Filter-feeding organisms and those in coastal areas showed higher contamination levels. PAHs are among the hydrophobic organic pollutants that readily adsorb onto microplastic surfaces, making microplastics potential vectors for concentrating and transporting these carcinogens through marine food webs.
Occurrence, origin and potential ecological risk of dissolved polycyclic aromatic hydrocarbons and organochlorines in surface waters of the Gulf of Gabès (Tunisia, Southern Mediterranean Sea)
Researchers measured polycyclic aromatic hydrocarbons, PCBs, and organochlorine pesticides in surface waters of a heavily industrialized Tunisian coastal area, tracing PAHs to mixed petrochemical and combustion sources and finding moderate-to-severe ecological risk from legacy pesticide residues despite low cancer risk from PAHs.
Concentration of polycyclic aromatic hydrocarbons (PAHs) in sediments from the Tampamachoco lagoon, Tuxpan River mouth, Gulf of Mexico
This paper is not about microplastics; it characterizes polycyclic aromatic hydrocarbon (PAH) contamination in sediments of a Mexican coastal lagoon, focusing on sources like fossil fuel combustion — with no substantive discussion of microplastic pollution.
Sorption, Extraction, and Characterization of Polycyclic Aromatic Hydrocarbons in Environmentally Weathered Microplastics, Particulate Organic Matter, Sediment, and Fish Species in the Lavaca-Matagorda Bay System
Researchers studied how microplastics carry cancer-causing chemicals called polycyclic aromatic hydrocarbons (PAHs) in the Lavaca-Matagorda Bay system in Texas. They found PAHs attached to microplastics, sediment, and in the digestive systems of three commercially important fish species. This shows that microplastics can act as vehicles for toxic chemicals in coastal waters, potentially affecting the safety of fish that people eat.
Baseline toxicological assessment of biliary PAHs and heavy metals contamination in a commercially consumed native fish (Mugil cephalus) within Fiji coastal waters
This study used mullet fish (Mugil cephalus) as sentinel organisms to assess heavy metal and PAH contamination in Fiji's coastal waters, identifying measurable health risks to local communities that rely on fish consumption. While the study focuses on chemical pollutants rather than microplastics, it is not directly relevant to microplastic research.
Ecotoxicological Risk Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) in Smoke-Dried Clarias gariepinus (Burchell, 1822) from Selected Markets in Benin City, Nigeria
This paper is not about microplastics; it measures polycyclic aromatic hydrocarbon (PAH) levels in smoke-dried catfish sold in markets in Benin City, Nigeria, finding naphthalene as the main risk compound and calculating cancer risk factors for consumers.
POLYCYCLIC AROMATIC HYDROCARBONS (PAHs) IN INDRAMAYU COASTAL, WEST JAVA: DISTRIBUTION, SOURCE, AND ECOLOGICAL RISK ASSESSMENT
Researchers assessed the distribution, sources, and ecological risk of polycyclic aromatic hydrocarbons in seawater and sediment samples from Indramayu Coast in West Java, Indonesia. Low molecular weight PAHs dominated, and source analysis pointed to both petrogenic and pyrogenic origins.
Health Risk Assessment of PAHs from Estuarine Sediments in the South of Italy
Researchers assessed polycyclic aromatic hydrocarbon (PAH) contamination in sediments from three rivers in southern Italy and evaluated the associated cancer risk. The study found that while the risk from accidental ingestion was low, dermal contact with contaminated sediments posed a moderate cancer risk, providing a scientific basis for pollution control measures in the region.
Association between PAH and plastic fragments on Brazilian coast beaches: a baseline assessment
Researchers conducted a baseline assessment of the association between polycyclic aromatic hydrocarbons (PAHs) and plastic fragments collected from beaches along the Brazilian coast, characterising how microplastics act as adsorption surfaces for these organic pollutants. The study found co-occurrence of PAHs and plastic fragments at sampled sites, establishing contamination baselines and informing understanding of the plastic-pollutant vector pathway.
Occurrence of Halogenated and Organophosphate Flame Retardants in Sediments and Eels (Anguilla anguilla) From Bizerte Lagoon, Tunisia
Researchers investigated contamination by classic and emerging halogenated flame retardants and organophosphate flame retardants in sediments and eels from Bizerte Lagoon in northern Tunisia, providing the first assessment of these contaminants in this region. The study documented the presence of polybromodiphenyl ethers, hexabromobenzene, and organophosphate compounds in both environmental matrices and biota.
Effect of Aquatic Pollution on Fish in Libya: A Review
This review of aquatic pollution in Libyan waters identified heavy metals, microplastics, PAHs, and artificial detergents as major contaminants from industrial, petrochemical, and agricultural sources, documenting their harmful biological effects on fish species along Libya's coastline.
Occurrence, characteristics, and risk assessment of microplastics and polycyclic aromatic hydrocarbons associated with microplastics in surface water and sediments of the Konya Closed Basin, Turkey
For the first time, researchers characterized microplastic abundance, composition, and morphology in surface water and sediments of the inland Konya Closed Basin in Turkey, and assessed polycyclic aromatic hydrocarbon (PAH) contamination associated with microplastic surfaces. Both microplastics and PAHs were detected throughout the basin's freshwater resources, with microplastics acting as vectors concentrating these toxic organic compounds.
The Role of the Ecotoxicology Applied to Seafood as a Tool for Human Health Risk Assessments Concerning Polycyclic Aromatic Hydrocarbons
This review argues for stronger integration of ecotoxicology with seafood safety assessments, using mussels and polycyclic aromatic hydrocarbons as a model system to demonstrate how animal toxicological responses can improve human health risk estimates beyond chemical concentration measurements alone. The authors propose that ecotoxicological endpoints should be routinely incorporated into regulatory seafood monitoring frameworks.
Multibiomarker Responses to Polycyclic Aromatic Hydrocarbons and Microplastics in Thumbprint Emperor Lethrinus Harak from a South Pacific Locally Managed Marine Area
This study measured microplastics and cancer-linked PAH chemicals in emperor fish from Fiji's coastal waters, finding PAHs present in all samples tested. The results suggest that consuming seafood from these waters carries some chemical exposure risk.
Correlation between Polycyclic Aromatic Hydrocarbons in Wharf Roach (Ligia spp.) and Environmental Components of the Intertidal and Supralittoral Zone along the Japanese Coast
Researchers measured polycyclic aromatic hydrocarbon (PAH) concentrations in wharf roaches, mussels, and environmental media at 12 coastal sites in Japan, finding that wharf roaches accumulate PAHs primarily from food (drifting seaweed) and sediment, suggesting their utility as bioindicators of coastal PAH pollution.
Contamination Levels and Accumulation Profiles of Polycyclic Aromatic Hydrocarbons (PAHs) in Surface Sediments from South Central Coast of Vietnam
Polycyclic aromatic hydrocarbons were quantified in surface sediments from the South Central Coast of Vietnam, characterizing sources, spatial distribution, and potential ecological risk from these hydrophobic persistent organic pollutants.
Occurrence and Sources of Polycyclic Aromatic Hydrocarbons and Factors Influencing Their Accumulation in Surface Sediment of a Deep-Sea Depression, Namely, the Tatar Trough (Tatar Strait, the Sea of Japan)
Researchers investigated the concentrations, sources, and distribution of 14 polycyclic aromatic hydrocarbons (PAHs) in sediments of the Tatar Trough in the Sea of Japan, finding that PAH levels have increased over recent decades. Source analysis identified both pyrogenic and petrogenic origins, with spatial patterns reflecting oceanographic circulation and proximity to terrestrial inputs.
Assessment of microplastic pollution: distribution, composition, and sources in the El-Mellah (Algeria) and Bizerte (Tunisia) Mediterranean lagoons
Researchers assessed microplastic pollution in two North African Mediterranean lagoons — El-Mellah (Algeria) and Bizerte (Tunisia) — quantifying abundance, spatial distribution, morphological shapes, and polymer composition to characterize contamination sources and risk to coastal ecosystems.
Sources, Occurrences, and Risks of Polycyclic Aromatic Hydro-Carbons (PAHs) in Bangladesh: A Review of Current Status
This review examines levels of polycyclic aromatic hydrocarbons (PAHs), toxic chemicals from burning fossil fuels, across water, soil, air, and seafood in Bangladesh, finding concentrations higher than in most other countries. Health assessments revealed both cancer and non-cancer risks to residents from eating contaminated seafood. While focused on PAHs rather than microplastics directly, the findings are relevant because microplastics can absorb and concentrate these same cancer-causing chemicals, potentially worsening human exposure.
Colour spectrum and resin-type determine the concentration and composition of Polycyclic Aromatic Hydrocarbons (PAHs) in plastic pellets
Plastic pellets collected from beaches were found to contain polycyclic aromatic hydrocarbons (PAHs, which are carcinogenic compounds), with darker-colored pellets generally having higher concentrations. This shows that plastic pellets can accumulate toxic chemicals from the environment and carry them to beaches where they may be ingested by wildlife.
Bioaccumulation of polycyclic aromatic hydrocarbons and their human health risks depend on the characteristics of microplastics in marine organisms of Sanggou Bay, China
This study found that the type and characteristics of microplastics present in marine organisms from Sanggou Bay, China, influenced how much of the harmful chemical pollutant PAH (polycyclic aromatic hydrocarbons) accumulated in their tissues. Smaller, more degraded microplastics carried more PAHs into organisms, raising the human health risk from eating contaminated seafood and highlighting that microplastics act as vehicles for other toxic chemicals.
Multibiomarker responses to polycyclic aromatic hydrocarbons and microplastics in thumbprint emperor Lethrinus harak from a South Pacific locally managed marine area
A multibiomarker assessment of thumbprint emperor fish from a South Pacific marine protected area found detectable microplastics in digestive tracts and elevated PAH metabolites in bile, suggesting that even locally managed conservation areas do not insulate fish from plastic and chemical contaminant exposure.
Distribution, Source Appropriation, and Human Health Risk Assessment of Polycyclic Aromatic Hydrocarbons due to Consumption of Callinectes amnicola from Woji Creek inSambreiro River
Researchers measured PAH contamination in crabs from a Nigerian river and assessed the cancer risk from eating them, finding elevated concentrations of harmful aromatic hydrocarbons. Children and young adults faced the highest calculated cancer risk from crab consumption at these levels.