Role of Fe-based nanoparticles introduced into soil-plant systems or contaminated soil-plant systems: toxic substance or remediation agent?

被引：0
|
作者：
Zeng, Yun [1 ]
Wen, Moyan [1 ]
Li, Si [2 ]
Wang, Jie [2 ]
Liu, Zhidan [1 ]
Duan, Na [1 ]
Xie, En [1 ]
Liu, Wen [3 ]
Zhao, Xiao [1 ]
机构：
[1] China Agr Univ, Coll Water Resources & Civil Engn, Beijing 100083, Peoples R China
[2] China Agr Univ, Coll Resources & Environm Sci, Beijing Key Lab Farmland Soil Pollut Prevent & Rem, Beijing 100193, Peoples R China
[3] Peking Univ, Coll Environm Sci & Engn, Beijing 100871, Peoples R China
来源：
FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING | 2025年 / 19卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Iron-based nanoparticles; Meta-analysis; Soil-plant system; Nanotoxicity; Soil remediation; ZERO-VALENT IRON; METAL-BASED NANOPARTICLES; DISSOLVED ORGANIC-MATTER; OXIDE NANOPARTICLES; FE3O4; NANOPARTICLES; OXIDATIVE STRESS; GAMMA-FE2O3; MAGNETIC NANOPARTICLES; MICROBIAL COMMUNITY; ROOT ELONGATION;
D O I：
10.1007/s11783-025-1947-1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Iron-based nanoparticles (Fe-NPs) exhibit promising potential for soil remediation. However, their toxic effects on plants have also been reported. Typical Fe-NPs have been introduced into soil-plant systems to examine their possible nanotoxicity and other impacts on plants, while Fe-NPs have been added to pollutant-soil-plant systems to evaluate their performance as remediation agents. Mixed opinions and results have been reported regarding interactions between Fe-NPs and soil or plants. Here, meta-analysis was conducted to evaluate the effects of Fe-NPs on plant morphological and physiological characteristics in soil-plant and pollutant-soil-plant systems. Interestingly, morphological characteristics (dry and fresh weight) were significantly improved by Fe-NPs in both soil-plant and pollutant-soil-plant systems. In terms of plant physiological characteristics, Fe-NPs exerted negative effects on plant pigments in soil-plant systems, but positive effects in pollutant-soil-plant systems. In addition, Fe-NPs greatly increased the Fe contents and decreased the pollutant contents of plants. This study also provides a comprehensive review of the positive and negative effects of Fe-NPs on soil-plant systems and summarizes the pollutant remediation mechanisms of Fe-NPs in soil-plant systems. The results underscore the potential of Fe-NPs in agricultural applications and the future development of food safety.
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页数：26
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