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The Role of Humic Acids on the Effects of Nanoplastics in Fish
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Humic acids — naturally occurring organic compounds in freshwater — alter the surface properties of nanoplastics and modulate their toxicity to fish, in some cases reducing harm and in others increasing it. This finding shows that environmental context matters when assessing nanoplastic risk, as water chemistry can substantially shift biological outcomes.
Plastics materials rarely biodegrade, instead, through different biotic and abiotic processes, they fragment into smaller microplastics (<5 mm, MPs), which have already been reported as ubiquitous pollutants in marine environments worldwide, as well as in a...
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Nanoplastics Penetrate Biological Barriers and Pose Risks to Aquatic Productivity
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This study examined how nanoplastics penetrate biological barriers at the sub-micrometer scale, posing threats to aquatic productivity through cellular uptake and toxicity pathways. Understanding nanoplastic behavior is critical because their small size enables systemic infiltration into organisms across the food chain, including species consumed by humans.
Micro/nanoplastics in Aquatic Ecosystems: An Integrated Review of Occurrence, Toxicological Implications, Case Studies, Methodologies, and Future Recommendations
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This integrated review covers the occurrence, toxicology, and detection of micro- and nanoplastics across freshwater, marine, and estuarine ecosystems, using case studies to illustrate biomagnification through aquatic food webs and the compounding risk from co-occurring chemical contaminants. The review calls for stronger international collaboration and policy frameworks grounded in scientific evidence, recognizing that the pervasive nature of micro- and nanoplastics in aquatic systems poses escalating risks to both ecosystem integrity and human health.
Bioaccumulation and Toxic Effects of Micro- and Nanoplastics in Zebrafish: A Critical Review
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Researchers comprehensively reviewed micro- and nanoplastic bioaccumulation and toxicity in zebrafish, finding that these particles accumulate in digestive organs, gills, liver, and brain, inducing oxidative stress, developmental delays, neurotoxicity, and transgenerational reproductive impairments that highlight broad ecological risks.
Effects of Nanoplastics on the Living Environment
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Researchers reviewed the many ways nanoplastics — plastic fragments too small to see without a microscope — affect living organisms and broader ecosystems, finding evidence of harm to reproduction, behavior, and cellular function across multiple species. Because nanoplastics are even harder to detect and filter than microplastics, they may pose an underappreciated threat to biodiversity and food chains.
Impact of Microplastics and Nanoplastics in the Aquatic Environment
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Researchers reviewed the environmental impacts of microplastics and nanoplastics in aquatic ecosystems, documenting how their ubiquitous presence disrupts food webs, causes physical and chemical harm to aquatic organisms, and raises concerns about bioaccumulation up the food chain to humans.
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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.