We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Quantifying nanoplastic-bound chemicals accumulated in Daphnia magna with a passive dosing method
AI summary Read the abstract
A passive dosing method was used to measure how chemicals accumulate in Daphnia water fleas when nanoplastics are present, helping separate direct particle effects from chemical effects. Understanding which pathway causes more harm is essential for accurately assessing nanoplastic risk.
The contribution of different uptake pathways of chemicals in D. magna in the presence of nanoplastics was clarified.
More Papers Like This
Toxicokinetics and Toxicodynamics of Nanoplastics in Daphnia magna are Polymer-Type Dependent
AI summary Read the abstract
Scientists tested how four common types of plastic nanoparticles (found in everything from PVC pipes to plastic eyewear) affect a tiny water flea used to study environmental toxicity, and found that not all plastics are equally harmful, polystyrene was the most toxic, while polycarbonate was over 25 times less toxic. This matters because most plastic pollution research has focused narrowly on polystyrene, so this study suggests we may need different safety guidelines for different plastic types rather than treating "nanoplastics" as one uniform threat, a distinction that could eventually matter for understanding how these particles affect human health too.
Toxicological Evaluation and Quantification of Ingested Metal-Core Nanoplastic by Daphnia magna Through Fluorescence and Inductively Coupled Plasma-Mass Spectrometric Methods
AI summary Read the abstract
Researchers developed a method using both fluorescence microscopy and ICP-MS to simultaneously quantify nanoplastic particles ingested by Daphnia magna and assess associated toxicity, finding dose-dependent uptake and toxic effects. The combined quantification and toxicity approach provides a more complete picture of nanoplastic risk to freshwater zooplankton than either method alone.
Ingestion of micro- and nanoplastics in Daphnia magna – Quantification of body burdens and assessment of feeding rates and reproduction
AI summary Read the abstract
Researchers used a quantitative approach to measure how the water flea Daphnia magna ingests and excretes micro- and nanoplastic particles of different sizes. They found that larger 2-micrometer particles were ingested in greater mass than 100-nanometer particles, and that complete excretion did not occur within 24 hours. Chronic exposure reduced feeding rates and reproduction, suggesting that ongoing microplastic exposure could have meaningful ecological consequences for these important freshwater organisms.
Emerging trends in nanoparticle toxicity and the significance of using Daphnia as a model organism
AI summary Read the abstract
Researchers reviewed why the freshwater crustacean Daphnia is a valuable model organism for nanoparticle toxicity testing, summarizing how nanoparticle size, charge, and surface chemistry influence toxicity in Daphnia and highlighting key knowledge gaps in nanoplastic environmental risk assessment.
From brood pouch to complex behavior: Tracking nanoplastic toxicity in Daphnia magna
AI summary Read the abstract
Researchers combined reproductive, morphological, and detailed behavioral endpoints in Daphnia magna exposed to nanoplastics, finding that particles accumulate inside embryos within brood pouches, reduce fecundity at the lowest tested dose, and produce stage-dependent behavioral disruptions—with juveniles more sensitive than adults—raising concern for population-level and predator-prey ecological effects.
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.