Emergence of nanoplastics in the aquatic environment and possible impacts on aquatic organisms

Plastic production on a global scale is instrumental in advancing modern society. However, plastic can be broken down by mechanical and chemical forces of humans and nature, and knowledge of the fate and effects of plastic, especially nanoplastics, in the aquatic environment remains poor. We provide...

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Bibliographic Details
Published in:The Science of the total environment 2024-01, Vol.906, p.167404-167404, Article 167404
Main Authors: Shi, Chaoli, Liu, Zhiqun, Yu, Bingzhi, Zhang, Yinan, Yang, Hongmei, Han, Yu, Wang, Binhao, Liu, Zhiquan, Zhang, Hangjun
Format: Article
Language:English
Subjects:
Aquatic environment
Aquatic organisms
Nanoplastics
Toxic effects
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Summary:Plastic production on a global scale is instrumental in advancing modern society. However, plastic can be broken down by mechanical and chemical forces of humans and nature, and knowledge of the fate and effects of plastic, especially nanoplastics, in the aquatic environment remains poor. We provide an overview of current knowledge on the environmental occurrence and toxicity of nanoplastics, and suggestions for future research. There are nanoplastics present in seas, rivers, and nature reserves from Asia, Europe, Antarctica, and the Arctic Ocean at levels of 0.3–488 microgram per liter. Once in the aquatic environment, nanoplastics accumulate in plankton, nekton, benthos through ingestion and adherence, with multiple toxic results including inhibited growth, reproductive abnormalities, oxidative stress, and immune system dysfunction. Further investigations should focus on chemical analysis methods for nanoplastics, effect and mechanism of nanoplastics at environmental relevant concentrations in aquatic organisms, as well as the mechanism of the Trojan horse effect of nanoplastics. [Display omitted] •Research on nanoplastic toxicity to aquatic organisms analyzed via bibliometrics.•Sources, chemical analysis, and environmental fate of nanoplastic were discussed.•Comprehensive assessment of nanoplastic toxicity through various mechanisms.•Investigating toxic effects of combined exposure to three pollutants and nanoplastic.•Emphasizing implications for risk assessment and future research.
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2023.167404