We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Controlled protein mediated aggregation of polystyrene nanoplastics does not reduce toxicity towards Daphnia magna
AI summary Read the abstract
Researchers found that protein-mediated aggregation of polystyrene nanoplastics into larger clusters did not reduce their toxicity to Daphnia magna, whereas solid particles of equivalent aggregate size were non-toxic, suggesting aggregation state alone does not determine nanoplastic hazard.
Aggregated small nanoplastics are still toxic whereas solid nanoplastics with the same size as the aggregates are not.
More Papers Like This
Polystyrene Nanoplastic Behavior and Toxicity on Crustacean Daphnia magna: Media Composition, Size, and Surface Charge Effects
AI summary Read the abstract
Researchers examined how size and surface charge of polystyrene nanoplastics (20-100 nm) affected their behavior and toxicity to Daphnia magna in different water media, finding that smaller particles and certain media compositions significantly increased toxicity and aggregation patterns.
Investigating the toxicities of different functionalized polystyrene nanoplastics on Daphnia magna
AI summary Read the abstract
Researchers compared the toxicity of plain and surface-modified polystyrene nanoplastics on Daphnia water fleas, finding that unmodified particles were most lethal by activating stress kinase pathways, while surface-functionalized particles were less toxic — largely because positively charged particles aggregated rapidly in water and reduced their effective exposure concentration.
Aquatic behavior and toxicity of polystyrene nanoplastic particles with different functional groups: Complex roles of pH, dissolved organic carbon and divalent cations
AI summary Read the abstract
Researchers systematically examined how water chemistry — pH, dissolved organic carbon, and divalent calcium and magnesium ions — affects the stability, aggregation, and toxicity of polystyrene nanoplastics with different surface functional groups, finding that complex solution conditions enhanced aggregation through cation bridging and increased oxidative gut damage in Daphnia magna.
Humic acid alleviates the toxicity of polystyrene nanoplastic particles toDaphnia magna
AI summary Read the abstract
Daphnia magna were exposed to polystyrene nanoplastics with and without humic acid, finding that humic acid significantly reduced nanoplastic toxicity by altering particle aggregation and distribution within the organism. The study demonstrates that natural organic matter in water can modulate nanoplastic bioavailability, with implications for risk assessment under realistic environmental conditions.
Acute toxicity of nanoplastics on Daphnia and Gammarus neonates: Effects of surface charge, heteroaggregation, and water properties
AI summary Read the abstract
Researchers examined nanoplastic toxicity on crustacean neonates and found that smaller particles (20-40 nm) were more toxic, with surface charge and aggregation behavior being the primary factors influencing toxicity depending on species and water conditions.
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.