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聚烯微塑料在Solanum nigrum幼苗中的积累和转移

JuKui Zhang¹, Lian Cao¹, Xiaoyan Zhu¹

¹Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, China.

|September 5, 2023

概括

微塑料积聚在黑夜的根部,并转移到茎和叶子. 这项研究表明,这些微小的塑料颗粒如何穿过植物,影响陆地生态系统.

科学领域:

环境科学环境科学
植物生物学植物生物学
生态毒理学生态毒理学

背景情况:

微塑料 (MP) 污染对陆地生态系统构成越来越大的威胁.
了解植物吸收和MP转移对于评估生态风险至关重要.

研究的目的:

为了研究聚乙烯 (PS) 微塑料珠在*Solanum nigrum* (黑色夜) 幼苗中的吸收和转移.
确定MPs在植物组织中的分布和运动途径.

主要方法:

微观研究,将*S. nigrum*幼苗暴露在0.2微米PS珠 (50毫克L-130天).
同焦激光扫描显微镜 (CLSM) 检测和可视化PS珠.
扫描电子显微镜 (SEM) 检查细胞壁上的珠子分布.

主要成果:

在 *S. nigrum* 根部中检测到PS珠,主要是在表皮和树皮中.
在树干和叶子的血管系统中观察到MPs.
证据表明PS珠从根部向上部通过血管系统转移,遵循透气流.

结论:

*Solanum nigrum* 在它的根系中积累了聚烯微塑料.
微塑料从根到茎和叶子的转移通过植物的血管系统发生.
这些发现突出了微塑料通过植物进入陆地食物网的潜在途径.

关键词:

转移转移转移转移转移吸收时间吸收时间积累积累是一种积累.微塑料是一种微塑料.索兰尼格鲁姆 (Solanum nigrum) 是一个黑色的植物.

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