文献类型： 外文期刊
作者： Li, Ruilong 1 ; Wang, Jiuming 2 ; Deng, Jun 1 ; Peng, Gen 1 ; Wang, Yijin 1 ; Li, Tiezhu 1 ; Liu, Beibei 3 ; Zhang, Yong 2 ;
作者机构： 1.Guangxi Univ, Coll Light Ind & Food Engn, Nanning 530004, Peoples R China
2.Xiamen Univ, Coll Environm & Ecol, Environm Sci Res Ctr, State Key Lab Marine Environm Sci, Xiamen 361102, Peoples R China
3.Chinese Acad Trop Agr Sci, Inst Environm & Plant Protect, Haikou 571101, Peoples R China
关键词： Colorful microplastics; Loading; Marine lipophilic phycotoxin; Toxin -producing algae
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 459 卷
页码：
收录情况： SCI
摘要： Microplastics (MPs) and marine lipophilic phycotoxins (MLPs) are two classes of emerging contaminants. Together, they may exacerbate the negative impacts on nearshore marine ecosystems. Herein, the loading of 14 representative MLPs, closely related to toxin-producing algae, on MPs and their relations with colorful MPs have been explored for the first time based on both field and lab data. The objectives of our study are to explore the roles of multiple factors (waterborne MLPs and MP characteristics) in the loading of MLPs by MPs with the applications of various statistical means, and to further explore the role of the color of MP in the loading of specific MLPs through lab simulation experiments. Our results demonstrated that MPs color determined the loading of some specific MLPs on MPs and green MPs can load much more than other colorful fractions (p < 0.05). These interesting phenomena illustrated that the color effects on the loading processes of MLPs on MPs are a dynamic process, and it can be well explained by the shading effect of MP color, which may affect the growth and metabolism of the attached toxic-producing algae on MPs and hence the production of specific MLPs. Furthermore, loading of MLPs on MPs can be considered as the comprehensive physicochemical and biological processes. Our results caution us that special attention should be paid to explore the real-time dynamic color shading effects on all kinds of bio-secreted contaminants loading on MPs, and highlight the necessary to comprehensive investigate the interaction between biota, organic contaminants and MPs.
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