Insight into chemical features of migrated additives from plastics and associated risks to estuarine ecosystem
文献类型: 外文期刊
作者: Chen, Qiqing 1 ; Gao, Zhuo 1 ; Wu, Yan 2 ; Li, Haifeng 3 ; Jiang, Jing 4 ; Yang, Yan 1 ; Xu, Li 3 ; Shi, Huahong 1 ;
作者机构: 1.East China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200241, Peoples R China
2.East China Normal Univ, Sch Geog Sci, Key Lab Geog Informat Sci, Minist Educ, Shanghai 200241, Peoples R China
3.Beijing Acad Agr & Forestry Sci, Inst Qual Stand & Testing Technol Agro Prod CAAS, Beijing 100089, Peoples R China
4.Suzhou Univ Sci & Technol, Sch Environm Sci & Engn, Suzhou 215009, Peoples R China
关键词: Estuarine environment; Plastic pollution; Migrated plastic additives; OPEOn
期刊名称:JOURNAL OF HAZARDOUS MATERIALS ( 影响因子:13.6; 五年影响因子:12.7 )
ISSN: 0304-3894
年卷期: 2023 年 448 卷
页码:
收录情况: SCI
摘要: Distinct hydrodynamic conditions created a hotspot of plastic and associated additive pollution within estuaries, which is of considerable scientific interest. However, the effects of specific estuarine weathering (severe me-chanical wear, constant turbulence, and strong ultraviolet radiation) on migration of additives remain unclear. Therefore, we investigated the release of migrated plastic additives (MPAs) from three representative plastics, namely floating foam, fishing nets, and packaging bags, under simulated estuarine conditions. Sixty-seven MPAs leached out under the wave scenario, greater than those under the ultraviolet radiation (62) and shoal (40) scenarios. We detected forty MPAs in the plastic bag leachates, whereas fewer MPAs were released from the foam and nets. Several MPAs were peculiar to specific plastics, e.g., antistatic and curing agents in the bag and foam leachates, respectively. Particularly, a suite of nonionic surfactants, octylphenol polyethoxylates (OPEOn), exhibited outstanding responses in the packaging bag leachates and had elevated toxic potential. OPEOn significantly inhibited the hatching of zebrafish and caused cardiovascular system disorder and morphological distortions even at environmentally relevant concentrations as in estuaries. Collectively, the leaching of MPAs was significantly enhanced by wave actions, and the plastic leachates, particularly those of plastic bags, can cause detrimental risks to the estuarine ecosystem.
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