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Dataset supporting: Europium-doped polystyrene nanoplastics reveal sublethal behavioural changes and species-specific sensitivity in Daphnia magna and Danio rerio
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This is a dataset of raw data and background files supporting a study of special glowing plastic nanoparticles tested in water fleas (Daphnia magna) and zebrafish (Danio rerio). Researchers measured survival, swimming behavior, reproduction, embryo development and oxygen use, and tracked where the particles ended up in the animals' bodies.
This dataset contains the raw data and metadata supporting the manuscript “Europium-doped polystyrene nanoplastics reveal sublethal behavioural changes and species-specific sensitivity in Daphnia magna and Danio rerio”. It includes physicochemical characterization of europium-doped polystyrene nanoplastics (Eu-PS NPs; 100 nm) and experimental data from acute immobilisation (48 h), swimming behaviour (48 h), and chronic reproduction (21 d) assays in D. magna, as well as fish embryo toxicity (96 h), larval swimming behaviour, and oxygen consumption assays in D. rerio. Nanoparticle biodistribution was investigated using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS).
More Papers Like This
Dataset supporting: Chronic reproductive and behavioural endpoints reveal polymer- and size-dependent responses to micro- and nanoplastics in Daphnia magna
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Scientists tested how tiny water fleas (a key species for studying pollution effects) responded to different types and sizes of plastic particles, looking at survival, swimming, and reproduction over time. This kind of research matters because it helps us understand how the growing amount of micro- and nanoplastics in our water might affect living things—and since these plastics also show up in the food we eat and water we drink, studies like this build the foundation for understanding potential risks to human health, too. Note that this particular paper is a data-sharing resource rather than a full analysis of health outcomes, meant to help other researchers verify and reuse the findings.
Daphnia magna uptake and excretion of luminescence‐labelled polystyrene nanoparticle as visualized by high sensitivity real-time optical imaging
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Researchers used lanthanide-labeled polystyrene nanoparticles and time-gated imaging to track nanoplastic uptake and excretion in live Daphnia magna in real time, finding that the water flea accumulated roughly 12 nanograms of nanoplastics per individual after 24 hours and that a portion migrated into the circulatory system before being slowly excreted over 48 hours.
Polystyrene nanoplastics inhibit reproduction and induce abnormal embryonic development in the freshwater crustacean Daphnia galeata
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Researchers exposed the freshwater crustacean Daphnia galeata to polystyrene nanoparticles and observed significant decreases in survival, reproduction, and embryonic development. Using fluorescence microscopy, they tracked the particles as they transferred from external body surfaces to internal organs including the ovaries and brood chamber. The study also found that exposed adults had fewer and smaller lipid droplets, suggesting that nanoplastics disrupt energy storage and reproductive capacity in these organisms.
Dataset supporting: Chronic reproductive and behavioural endpoints reveal polymer- and size-dependent responses to micro- and nanoplastics in Daphnia magna
AI summary Read the abstract
Scientists tested how tiny water fleas (a common stand-in for studying pollution effects on aquatic life) responded to different types and sizes of plastic particles, looking at their movement and ability to reproduce over time. This matters because it helps researchers understand whether the size and chemical makeup of micro- and nanoplastics — the same tiny particles found in our water, food, and even our bodies — could affect living things differently, which is an important piece of the puzzle for figuring out plastic pollution's broader health risks. Note that this particular dataset focuses on raw experimental data itself, meant to help other scientists verify and build on the find
Data for publication: WHEN FLUORESCENCE IS NOT A PARTICLE: THE TISSUE TRANSLOCATION OF MICROPLASTICS IN DAPHNIA MAGNA SEEMS AN ARTEFACT
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This dataset accompanies a replication study investigating whether the apparent translocation of microplastics into the tissues of Daphnia magna (a tiny water flea) was a real biological phenomenon or an artifact of fluorescence microscopy. The study raises important methodological cautions for researchers using fluorescent particles to track microplastic uptake in organisms.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.