We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Secondary nanoplastics released from a biodegradable microplastic severely impact freshwater environments
AI summary Read the abstract
Secondary nanoplastics released during the degradation of a biodegradable microplastic were found to cause significant toxic effects in freshwater organisms, suggesting that biodegradable plastics are not necessarily safe. The study raises important questions about the use of biodegradable alternatives as a solution to conventional plastic pollution.
Over the last five decades, plastics production has increased as a consequence of their use in strategic sectors causing damage on aquatic ecosystems.
More Papers Like This
Generation and characterization of secondary nanoplastics and oligomers from PBAT and their toxicity towards the freshwater microalga C. reinhardtii
AI summary Read the abstract
Researchers generated and characterized secondary nanoplastics and oligomers from biodegradable PBAT plastic to assess their ecotoxicological effects compared to conventional plastic counterparts. The study found that biodegradable plastics also release nanoscale particles with measurable toxic effects.
A review on fate and ecotoxicity of biodegradable microplastics in aquatic system: Are biodegradable plastics truly safe for the environment?
AI summary Read the abstract
This review examines whether biodegradable plastics are truly safe for aquatic environments, finding that they can break down into microplastics faster than conventional plastics and cause comparable or even greater harm to algae, invertebrates, and fish. The findings suggest that switching to biodegradable plastics alone will not solve the microplastic pollution problem, and these particles can still enter the human food chain through contaminated seafood.
Effects of petroleum-based and biopolymer-based nanoplastics on aquatic organisms: A case study with mechanically degraded pristine polymers
AI summary Read the abstract
Researchers compared the toxicity of nanoplastics made from three petroleum-based plastics and one bio-based plastic (PLA) on freshwater organisms. All four types of nanoplastics caused toxic effects, but the bio-based PLA nanoplastics were not necessarily safer than conventional ones. The study suggests that switching to bio-based plastics may not eliminate the problem of nanoplastic toxicity in aquatic environments.
Generation and characterization of secondary nanoplastics and oligomers from PBAT and their toxicity towards the freshwater microalga C. reinhardtii
AI summary Read the abstract
This study generated and characterized secondary nanoplastics and oligomers from biodegradable PBAT polymers, examining whether biodegradable plastics produce hazardous nanoscale breakdown products. Biodegradable PBAT was found to generate nanoplastics and oligomers during degradation, raising concern that these materials are not environmentally benign despite their biodegradable classification.
Assessing the ecological consequences of biodegradable plastics: Acute, chronic and multigenerational impacts of poly-3-hydroxybutyrate microplastics on freshwater invertebrate Daphnia magna
AI summary Read the abstract
Researchers tested the effects of microplastics made from PHB, a biodegradable plastic, on the freshwater organism Daphnia magna across multiple generations. Even biodegradable microplastics impaired reproduction, growth, and survival, with effects worsening over successive generations. This study shows that replacing conventional plastics with biodegradable alternatives does not eliminate the microplastic problem, since biodegradable plastics can still produce harmful micro-sized particles.
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.