Effects of Microplastics on the Mineral Elements Absorption and Accumulation in Hydroponic Rice Seedlings (Oryza sativa L.)
文献类型： 外文期刊
作者： Tang, Mingfeng 1 ; Huang, Yongchuang 1 ; Zhang, Wei 1 ; Fu, Tingting 1 ; Zeng, Tingting 1 ; Huang, Yongdong 1 ; Yang, Xiaoxia 1 ;
作者机构： 1.Chongqing Acad Agr Sci, Inst Agr Qual Stand & Testing Technol, Chongqing 401329, Peoples R China
关键词： Microplastics; Ionome; Rice seedlings; Root
期刊名称：BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY （ 影响因子：2.807； 五年影响因子：2.616 ）
ISSN： 0007-4861
年卷期： 2022 年 108 卷 5 期
页码：
收录情况： SCI
摘要： Environmental pollution caused by microplastics (MPs) have become a non-negligible environmental problem and come into our notice recently. Herein, the nutrient elemental signature (ionome) of rice seedlings exposed to four levels of polyethylene microplastics (PE-MPs), and was analyzed by inductively coupled plasma optical emission spectroscopy (ICP-OES) or mass spectroscopy (ICP-MS) to determine the relationship between ionome and MPs. After 21 days of laboratory exposure, no shoots growth difference has shown among any doses of PE-MPs treatments, however, the roots growth was significantly inhibited after the medium and high doses of PE-MPs treatments. Further analysis showed that PE-MPs treatments could decrease the accumulation of one essential mineral element Mn and some non-essential mineral elements accumulation including As and Cd, while increase the accumulation of one essential mineral elements including Na in rice seedlings. This study is the first to document the variation of the rice seedlings ionome after exposing microplastics.
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