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Encapsulation and release of tetrabromobisphenol A in microplastics: Trade-off in their individual toxicity to Xenopus tropicalis tadpoles

Journal of Hazardous Materials 2024 4 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Lingling Hu, Juyang Fu, Lingling Hu, Lingling Hu, Lingling Hu, Lingling Hu, Juyang Fu, Xiangliang Pan Xiangliang Pan Xiangliang Pan, Lingling Hu, Lingling Hu, Lingling Hu, Lingling Hu, Lingling Hu, Lingling Hu, Juyang Fu, Juyang Fu, Juyang Fu, Juyang Fu, Juyang Fu, Juyang Fu, Xiangliang Pan Xiangliang Pan Xiangliang Pan Daoyong Zhang, Lingling Hu, Xiangliang Pan Xiangliang Pan, Xiangliang Pan, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Xiangliang Pan Xiangliang Pan Xiangliang Pan, Xiangliang Pan Lingling Hu, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Lingling Hu, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Lingling Hu, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Xiangliang Pan Xiangliang Pan Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Xiangliang Pan Xiangliang Pan Lingling Hu, Daoyong Zhang, Xiangliang Pan Daoyong Zhang, Daoyong Zhang, Daoyong Zhang, Xiangliang Pan, Daoyong Zhang, Lingling Hu, Daoyong Zhang, Daoyong Zhang, Xiangliang Pan Daoyong Zhang, Xiangliang Pan Xiangliang Pan Xiangliang Pan, Daoyong Zhang, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Daoyong Zhang, Xiangliang Pan Xiangliang Pan, Xiangliang Pan Xiangliang Pan Daoyong Zhang, Xiangliang Pan Daoyong Zhang, Xiangliang Pan, Xiangliang Pan Xiangliang Pan Xiangliang Pan, Lingling Hu, Lingling Hu, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan, Xiangliang Pan Xiangliang Pan Xiangliang Pan, Xiangliang Pan

Summary

Researchers studied how the flame retardant TBBPA is distributed within and released from polystyrene microplastics, and tested the combined toxicity on tadpoles. They found a trade-off where microplastics that encapsulated the chemical reduced its immediate toxicity but created a slow-release exposure over time. The study highlights the complex relationship between microplastic-bound additives and their long-term effects on aquatic wildlife.

Polymers
Body Systems

The toxicity of microplastics (MPs) to aquatic animals is closely related to the presence and release kinetics of contained additives, as most plastic products contain various additives. However, the relationship between the occurrence and release of additives from MPs, and their individual or combined toxicity remains unclear. In this study, the nanoscale distribution and release of tetrabromobisphenol A (TBBPA, a common flame retardant with endocrine-disrupting effect) in polystyrene (PS) MPs, and the long-term (60 days) toxicity of TBBPA and MPs containing TBBPA (at doses of 0 %, 1 %, 10 %, w/w) to Xenopus tropicalis tadpoles were investigated. Exposure to 10 μg/L TBBPA alone was the most toxics, while the encapsulation of TBBPA in MPs significantly delayed its lethal toxicity to tadpoles by inhibiting the rapid and extensive release of TBBPA. PS MPs alone and MPs containing 10 % TBBPA exhibited delayed survival toxicity compared to TBBPA alone, whereas PS MPs containing 1 % TBBPA did not show this effect but inhibited growth. These findings suggest that chronic toxicity assessments should be based on long-term (months or even years) exposure experiments due to the encapsulation-controlled slow release of toxic additives.

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