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Nanoplastics target lung monocytes, disrupting immune dynamics
AI summary
This research analyzed how business model innovation could transform the plastics industry toward greater circularity and reduced environmental impact. The study identified game-changing business strategies that could decouple economic growth from plastic waste generation, with examples from industry leaders adopting circular approaches.
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Nanoplastic-Induced Biological Effects In Vivo and In Vitro: An Overview
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Researchers reviewed how nanoplastics accumulate in and harm living organisms, finding that particle size, surface charge, exposure dose, and duration all influence toxicity — with smaller, charged particles penetrating cells more readily and chemical additives amplifying harm beyond the plastics themselves.
Toxicological effects of different particle sizes and types of nano-plastics (NPs) on human lung cells: implications for the health risk of airborne microplastic pollution
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Researchers exposed human A549 alveolar cells to polystyrene and polymethylmethacrylate nanoplastics of 30 and 50 nm and found that smaller size and higher concentration produced stronger cytotoxicity, oxidative stress, inflammation, and apoptosis—with PS nanoparticles more toxic than PMMA—providing in vitro evidence of respiratory health risks from inhaled airborne nanoplastics.
Causal relationship between micro- and nanoplastics and lung function
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Researchers quantified micro- and nanoplastic levels in whole blood from young adults using pyrolysis GC-MS and measured lung function by spirometry, analyzing the causal relationship between circulating plastic particle burden and forced expiratory volume and vital capacity outcomes.
Cellular and Animal Toxicities of Micro- and Nanoplastics
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Researchers reviewed evidence from cell and animal studies on the toxic effects of micro- and nanoplastics, finding that these particles can cause inflammation, oxidative stress, and organ damage in laboratory models, raising concern about what chronic low-level human exposure might mean for long-term health.
The effects of nanoplastics on toxicity of metals and metal nanoparticles: molecular mechanisms and health effects
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Researchers reviewed how co-exposure to nanoplastics and heavy metals produces synergistic toxicity across multiple species and cell models, finding that nanoplastics enhance metal bioavailability and amplify oxidative stress, mitochondrial dysfunction, apoptosis, and gut dysbiosis more severely than equivalent microplastic co-exposures.
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.