暴露于金属有机框架对植物生长的剂量依赖影响 MIL-101(Cr)
Yacong Liu1,2, Yue Lin2, Weichao Wang2
1College of Sciences, Northeastern University, Shenyang 110819, China.
Environmental science & technology
|April 1, 2024
概括
金属有机框架 (MOF) 对大豆生长产生双重影响. 低剂量的MIL-101 ((Cr) 促进生长,而高剂量会导致毒性,影响植物健康和农业可持续性.
科学领域:
- 环境科学 环境科学
- 植物生物学 植物生物学
- 材料科学 材料科学 材料科学
背景情况:
- 金属有机框架 (MOF) 越来越多地使用,引发人们对其环境命运和影响的担忧.
- MOF对植物生长和土壤生态系统的影响尚不清楚.
- 评估MOF生态毒理学对于可持续农业至关重要.
研究的目的:
- 调查MIL-101 (((Cr) 一种常见的MOF对大豆植物生长的影响.
- 为了确定大豆植物中MIL-101 (Cr) 的剂量依赖性毒性和积累.
- 阐明MOF诱导植物生理学影响的潜在机制.
主要方法:
- 在水培系统中,大豆植物暴露于MIL-101 (Cr) 的不同度和持续时间.
- 在植物组织中积累的 (Cr) 用激光除诱导合血质谱法 (LA-ICP-MS) 来量化.
- 进行了代谢分析,以评估大豆根中的生化变化.
主要成果:
- 200毫克/升的MIL-101 (Cr) 增强了大豆的生长,但更高的剂量 (500-1000毫克/升) 引发了显著的植物毒性和叶子损伤.
- MIL-101 ((Cr) 主要积聚在大豆根中,对茎和叶子的转移最小.
- 低剂量增加了根中的糖糖含量,而高剂量诱导了根中的脂质氧化.
结论:
- MIL-101 ((Cr) 对大豆生长具有双相影响,对有益影响的窗口狭窄.
- 根积累和代谢干扰是导致植物毒性的关键机制.
- 了解MOF与植物之间的相互作用对于评估它们在农业中的环境风险至关重要.
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