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61,005 resultsShowing papers similar to Sorption of Polycyclic Aromatic Sulfur Heterocycles (PASH) on Nylon Microplastics at Environmentally Relevant Concentrations
ClearAdsorption behavior of aniline pollutant on polystyrene microplastics
Researchers investigated how polystyrene microplastics adsorb the pollutant aniline in aquatic environments, finding that particle size, temperature, and solution chemistry significantly influence adsorption behavior, highlighting microplastics' role as carriers of toxic organic compounds.
Sorption of Pyrene and Fluoranthene onto Common Microplastics Under Freshwater Conditions
Researchers investigated how two common polycyclic aromatic hydrocarbons, pyrene and fluoranthene, bind to six different types of microplastic polymers under freshwater conditions. The study found significant differences in sorption capacity across polymer types, confirming that microplastics can act as vectors for transporting harmful organic pollutants through aquatic environments.
Adsorption of perfluoroalkyl substances on polyamide microplastics: Effect of sorbent and influence of environmental factors
Researchers studied how perfluoroalkyl substances (PFAS), a group of persistent industrial chemicals, bind to polyamide microplastics in water. They found that smaller microplastic particles absorbed dramatically more PFAS than larger ones, and that water chemistry conditions like pH and salinity influenced the process. The findings suggest microplastics can concentrate harmful chemicals and potentially increase human and wildlife exposure to PFAS in contaminated environments.
Potential of Adsorption of Diverse Environmental Contaminants onto Microplastics
Researchers assessed the ability of four common types of microplastics to adsorb hazardous environmental contaminants including dyes and heavy metals. They found that dyes were adsorbed through physical processes while heavy metal adsorption varied by plastic type, with polystyrene showing the highest capacity for certain metals. The study confirms that microplastics can act as vectors for diverse pollutants, potentially increasing the environmental mobility and bioavailability of toxic substances.
Comparative evaluation of sorption kinetics and isotherms of pyrene onto microplastics
This study compared how quickly and how much pyrene — a common polycyclic aromatic hydrocarbon — is absorbed by different types of microplastics in aquatic environments. The results indicate that microplastic polymer type significantly affects how well it concentrates and potentially transports toxic organic chemicals.
Adsorption of some hazardous aromatic hydrocarbons by various pristine and heat-activated aged microplastics as potential pollutant carriers in aquatic environment
Researchers examined how pristine and heat-aged microplastics of four polymer types adsorb hazardous aromatic hydrocarbons, finding that aging significantly altered adsorption capacity. The results demonstrate that weathered microplastics may act as more effective pollutant vectors than pristine particles in aquatic environments.
Adsorption behavior of organic pollutants and metals on micro/nanoplastics in the aquatic environment
This review examines how micro- and nanoplastics in aquatic environments adsorb organic pollutants and metals onto their surfaces, effectively acting as carriers for other contaminants. Researchers found that environmental factors like pH, salinity, and aging of the plastic significantly influence this sorption behavior. The findings raise concerns that microplastics may increase the bioavailability and toxicity of chemical pollutants in waterways.
Mechanistic Insights into PFAS Adsorption on Microplastics: Effects of Contaminant Properties and Water Chemistry
Researchers investigated how two widely detected PFAS compounds, PFOS and PFOA, adsorb onto five common types of microplastics in aquatic environments. The study found that contaminant properties and water chemistry significantly influence adsorption behavior, confirming that microplastics can serve as carriers for PFAS transport in waterways.
Insights into adsorption mechanisms of nitro polycyclic aromatic hydrocarbons on common microplastic particles: Experimental studies and modeling
Researchers investigated how nitro polycyclic aromatic hydrocarbons adsorb onto common microplastics, finding that the process is controlled by chemical adsorption and hydrophobic partitioning, with pollutant hydrophobicity being the dominant factor influencing adsorption capacity.
Pb(II) uptake onto nylon microplastics: Interaction mechanism and adsorption performance
Researchers investigated how aged nylon microplastics adsorb lead(II) ions from water, finding that surface weathering increased adsorption capacity and that the process followed pseudo-second-order kinetics. The study clarifies the mechanism by which microplastics can act as vectors for heavy metal contamination in aquatic environments.
Transport of persistent organic pollutants: Another effect of microplastic pollution?
This review examines how microplastics act as vectors for persistent organic pollutants (POPs) in aquatic environments, covering the physical and chemical factors governing pollutant adsorption and desorption. The authors discuss how interactions between microplastics and POPs vary with polymer type, particle properties, and environmental conditions, and when these interactions may result in toxic effects on aquatic organisms.
Sorption of polycyclic aromatic hydrocarbons by microplastic films: Characterizing kinetics, isotherms, and impacts of sludge exposure
This study characterized the sorption of polycyclic aromatic hydrocarbons onto microplastic films in sludge and wastewater systems, finding that MP type and surface properties strongly influence PAH binding capacity and may facilitate PAH transport and bioavailability in contaminated environments.
Sorption of benzo(a)pyrene and of a complex mixture of petrogenic polycyclic aromatic hydrocarbons onto polystyrene microplastics
Researchers investigated the sorption of benzo(a)pyrene and a complex mixture of petrogenic polycyclic aromatic hydrocarbons onto polystyrene microplastics in aquatic systems, quantifying how the hydrophobic nature and large surface area of microplastics facilitate PAH accumulation and potential vector transport.
Different partition of polycyclic aromatic hydrocarbon on environmental particulates in freshwater: Microplastics in comparison to natural sediment
This study investigated how the polycyclic aromatic hydrocarbon phenanthrene partitions between water and three common plastic types, finding that polymer composition strongly influences sorption behavior. The results help explain how microplastics act as vectors for toxic organic compounds in aquatic environments.
Adsorption of perfluoroalkyl substances on microplastics under environmental conditions
Researchers examined the capacity of three types of microplastics to sorb 18 perfluoroalkyl substances from freshwater and seawater. They found that perfluorosulfonates and sulfonamides had the strongest tendency to adsorb onto microplastics, with polystyrene showing greater affinity for these chemicals than polyethylene. The study suggests that microplastics in aquatic environments can concentrate harmful PFAS compounds, potentially increasing exposure for organisms that ingest them.
Evaluation of the adsorption efficiency of carcinogenic PAHs on microplastic (polyester) fibers—preliminary results
Researchers found that polyester microfibers — the tiny plastic threads shed from clothing during washing — can absorb large amounts of cancer-linked polycyclic aromatic hydrocarbons (PAHs), accumulating up to 1,255 micrograms per gram of fiber, which means microplastics in sewage sludge may be concentrating toxic chemicals before they reach the environment.
Adsorption and Desorption Behaviour of Polychlorinated Biphenyls onto Microplastics’ Surfaces in Water/Sediment Systems
Researchers evaluated the adsorption and desorption behavior of polychlorinated biphenyls (PCBs) onto polystyrene, polyethylene, and polyethylene terephthalate microplastics of varying sizes in marine water/sediment systems. Results showed that polymer type and particle size influenced PCB binding capacity, with microplastics acting as potential vectors for transferring persistent organic pollutants to marine biota through the food chain.
Seasonal variation and spatial distribution of microplastics in tertiary wastewater treatment plant in South Korea
Researchers studied the sorption of polycyclic aromatic hydrocarbons (PAHs) onto weathered polypropylene microplastics in seawater, finding that weathering increased surface area and adsorption capacity compared to pristine particles. This suggests environmental aging enhances microplastics as vectors for hydrophobic pollutants.
Microplastics, PAHs and biofilms in freshwater
Researchers tested how five common plastic types adsorb polycyclic aromatic hydrocarbons (PAHs) in freshwater and serve as surfaces for microbial biofilm growth. All five plastics were able to bind PAHs and support biofilms, suggesting microplastics can concentrate toxic compounds and harbor bacteria in freshwater environments.
Adsorption of PAHs and PCDD/Fs in Microplastics: A Review
This review examines the adsorption of polycyclic aromatic hydrocarbons (PAHs) and dioxins/furans (PCDD/Fs) onto microplastics, highlighting how microplastics can act as vectors transporting these toxic compounds through aquatic environments and into organisms that ingest them.
Effects of microplastic sorption on microbial degradation of halogenated polycyclic aromatic hydrocarbons in water
Researchers investigated how microplastics act as carriers for halogenated polycyclic aromatic hydrocarbons (HPAHs) in water and whether this sorption affects microbial degradation of these dioxin-like compounds. They found that microplastic-sorbed HPAHs had reduced bioavailability to degrading bacteria, potentially slowing natural breakdown of these toxic pollutants.
Microplastics meet micropollutants in a central european river stream: Adsorption of pollutants to microplastics under environmentally relevant conditions
Researchers investigated how microplastics adsorb organic micropollutants in a Central European river under real-world conditions. They found that aged microplastics showed higher adsorption capacity for contaminants compared to pristine ones, and that the type of plastic material influenced which pollutants were absorbed. The findings suggest that microplastics in rivers can act as carriers for harmful chemicals, potentially spreading contamination through aquatic ecosystems.
Distinct polymer-dependent sorption of persistent pollutants associated with Atlantic salmon farming to microplastics
Researchers found that HDPE, PP, PET, and PVC microplastics placed near Atlantic salmon farms sorbed different persistent organic pollutants depending on polymer type, demonstrating that microplastics in aquaculture environments can act as vectors for chemical contaminants with implications for seafood safety.
Current State of Knowledge About Plastics' Ability to Sorption
This review summarizes the current state of knowledge about plastics' ability to sorb and desorb environmental contaminants including pesticides, heavy metals, and persistent organic pollutants, evaluating how polymer type, weathering, and environmental conditions influence sorption capacity. The authors discuss implications for understanding plastics as contaminant vectors in aquatic ecosystems.