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Does triclosan adsorption on polystyrene nanoplastics modify the toxicity of single contaminants?
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Researchers investigated whether triclosan adsorption onto polystyrene nanoplastics modifies the toxicity of each contaminant individually, using a multi-tiered approach to assess how nanoplastic carrier effects alter the combined hazard of this common antimicrobial agent in aquatic environments.
The risk associated to the action of nanoplastics as carriers of environmental pollutants was investigated by a multi-tiered approach.
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Interactions of microplastics and organic compounds in aquatic environments: A case study of augmented joint toxicity
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Researchers investigated how polystyrene microplastics interact with the antimicrobial compound triclosan in simulated environmental and cellular conditions. They found that surface-functionalized microplastics adsorbed significantly more triclosan and released it under cellular conditions, with the combination producing greater toxicity to human intestinal cells than either contaminant alone. The study suggests that microplastics can amplify the harmful effects of co-occurring organic pollutants.
Adsorption behavior of triclosan on polystyrene nanoplastics: The roles of particle size, surface functionalization, and environmental factors
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Researchers examined how triclosan, an antimicrobial compound common in personal care products, adsorbs onto polystyrene nanoplastics of different sizes and surface chemistries, finding that smaller particles and functionalized surfaces (with carboxyl or amine groups) bind more triclosan, with pH and salinity further modulating uptake — suggesting nanoplastics can serve as mobile carriers for this contaminant.
Microplastics and associated emerging contaminants in the environment: Analysis, sorption mechanisms and effects of co-exposure
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Researchers reviewed how microplastics act as carriers for other environmental pollutants — including antibiotics, PFAS, and triclosan — absorbing them from surrounding water and potentially delivering higher doses to organisms that ingest the plastic, with combined toxicity effects that can be either amplified or reduced depending on the combination.
Effects of particle size and solution chemistry on Triclosan sorption on polystyrene microplastic
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Researchers characterized how the antimicrobial compound triclosan adsorbs onto polystyrene microplastics, finding that sorption is driven primarily by hydrophobic interactions and is highest at acidic pH, while temperature, ionic strength, and co-occurring heavy metals had little effect — suggesting polystyrene acts as an environmental carrier for triclosan.
Toxic effects of triclosan in aquatic organisms: A review focusing on single and combined exposure of environmental conditions and pollutants
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This review examines how triclosan, an antibacterial chemical found in many personal care products, harms aquatic organisms both on its own and in combination with other pollutants including microplastics. When triclosan and microplastics are present together in water, they can produce combined toxic effects that are worse than either alone. Since triclosan is widely used and microplastics are everywhere, their interaction in the environment is an important consideration for both ecosystem and human health.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.